diff --git a/lib/controller/checks.py b/lib/controller/checks.py
index cb5d57b8e..3b00dcdea 100644
--- a/lib/controller/checks.py
+++ b/lib/controller/checks.py
@@ -137,7 +137,7 @@ def checkSqlInjection(place, parameter, value):
                    SUPPORTED_DBMS, True) or kb.heuristicDbms or injection.dbms):
                     msg = "it looks like the back-end DBMS is '%s'. " % (Format.getErrorParsedDBMSes() or kb.heuristicDbms or injection.dbms)
                     msg += "Do you want to skip test payloads specific for other DBMSes? [Y/n]"
-                    kb.reduceTests = (Backend.getErrorParsedDBMSes() or [kb.heuristicDbms]) if readInput(msg, default='Y').upper() == 'Y' else []
+                    kb.reduceTests = (Backend.getErrorParsedDBMSes() or [kb.heuristicDbms]) if readInput(msg, default='Y', boolean=True) else []
 
             # If the DBMS has been fingerprinted (via DBMS-specific error
             # message, via simple heuristic check or via DBMS-specific
@@ -152,7 +152,7 @@ def checkSqlInjection(place, parameter, value):
                 msg += " and " if conf.level < 5 and conf.risk < 3 else ""
                 msg += "risk (%d)" % conf.risk if conf.risk < 3 else ""
                 msg += " values? [Y/n]" if conf.level < 5 and conf.risk < 3 else " value? [Y/n]"
-                kb.extendTests = (Backend.getErrorParsedDBMSes() or [kb.heuristicDbms]) if readInput(msg, default='Y').upper() == 'Y' else []
+                kb.extendTests = (Backend.getErrorParsedDBMSes() or [kb.heuristicDbms]) if readInput(msg, default='Y', boolean=True) else []
 
             title = test.title
             kb.testType = stype = test.stype
@@ -631,7 +631,8 @@ def checkSqlInjection(place, parameter, value):
                                         msg += "extended UNION tests if there is not "
                                         msg += "at least one other (potential) "
                                         msg += "technique found. Do you want to skip? [Y/n] "
-                                        kb.futileUnion = readInput(msg, default="Y").strip().upper() == 'N'
+
+                                        kb.futileUnion = not readInput(msg, default='Y', boolean=True)
                                     if kb.futileUnion is False:
                                         continue
 
@@ -738,11 +739,9 @@ def checkSqlInjection(place, parameter, value):
             logger.warn(warnMsg)
 
             msg = "how do you want to proceed? [(S)kip current test/(e)nd detection phase/(n)ext parameter/(c)hange verbosity/(q)uit]"
-            choice = readInput(msg, default="S", checkBatch=False)
+            choice = readInput(msg, default='S', checkBatch=False).strip().upper()
 
-            if choice[0] in ("s", "S"):
-                pass
-            elif choice[0] in ("c", "C"):
+            if choice == 'C':
                 choice = None
                 while not ((choice or "").isdigit() and 0 <= int(choice) <= 6):
                     if choice:
@@ -752,11 +751,11 @@ def checkSqlInjection(place, parameter, value):
                 conf.verbose = int(choice)
                 setVerbosity()
                 tests.insert(0, test)
-            elif choice[0] in ("n", "N"):
+            elif choice == 'N':
                 return None
-            elif choice[0] in ("e", "E"):
+            elif choice == 'E':
                 kb.endDetection = True
-            elif choice[0] in ("q", "Q"):
+            elif choice == 'Q':
                 raise SqlmapUserQuitException
 
         finally:
@@ -1177,19 +1176,19 @@ def checkStability():
         logger.warn(warnMsg)
 
         message = "how do you want to proceed? [(C)ontinue/(s)tring/(r)egex/(q)uit] "
-        test = readInput(message, default="C")
+        choice = readInput(message, default='C').strip().upper()
 
-        if test and test[0] in ("q", "Q"):
+        if choice == 'Q':
             raise SqlmapUserQuitException
 
-        elif test and test[0] in ("s", "S"):
+        elif choice == 'S':
             showStaticWords(firstPage, secondPage)
 
             message = "please enter value for parameter 'string': "
-            test = readInput(message)
+            string = readInput(message)
 
-            if test:
-                conf.string = test
+            if string:
+                conf.string = string
 
                 if kb.nullConnection:
                     debugMsg = "turning off NULL connection "
@@ -1201,12 +1200,12 @@ def checkStability():
                 errMsg = "Empty value supplied"
                 raise SqlmapNoneDataException(errMsg)
 
-        elif test and test[0] in ("r", "R"):
+        elif choice == 'R':
             message = "please enter value for parameter 'regex': "
-            test = readInput(message)
+            regex = readInput(message)
 
-            if test:
-                conf.regex = test
+            if regex:
+                conf.regex = regex
 
                 if kb.nullConnection:
                     debugMsg = "turning off NULL connection "
@@ -1372,13 +1371,13 @@ def identifyWaf():
     if retVal:
         message = "are you sure that you want to "
         message += "continue with further target testing? [y/N] "
-        output = readInput(message, default="N")
+        choice = readInput(message, default='N', boolean=True)
 
         if not conf.tamper:
             warnMsg = "please consider usage of tamper scripts (option '--tamper')"
             singleTimeWarnMessage(warnMsg)
 
-        if output and output[0] not in ("Y", "y"):
+        if not choice:
             raise SqlmapUserQuitException
     else:
         warnMsg = "WAF/IPS/IDS product hasn't been identified"
@@ -1494,7 +1493,7 @@ def checkConnection(suppressOutput=False):
                 return False
 
             msg = "it is not recommended to continue in this kind of cases. Do you want to quit and make sure that everything is set up properly? [Y/n] "
-            if readInput(msg, default="Y") not in ("n", "N"):
+            if readInput(msg, default='Y', boolean=True):
                 raise SqlmapSilentQuitException
             else:
                 kb.ignoreNotFound = True
diff --git a/lib/controller/controller.py b/lib/controller/controller.py
index 91ce1cda1..d487a9dba 100644
--- a/lib/controller/controller.py
+++ b/lib/controller/controller.py
@@ -183,8 +183,8 @@ def _randomFillBlankFields(value):
 
     if extractRegexResult(EMPTY_FORM_FIELDS_REGEX, value):
         message = "do you want to fill blank fields with random values? [Y/n] "
-        test = readInput(message, default="Y")
-        if not test or test[0] in ("y", "Y"):
+
+        if readInput(message, default="Y", boolean=True):
             for match in re.finditer(EMPTY_FORM_FIELDS_REGEX, retVal):
                 item = match.group("result")
                 if not any(_ in item for _ in IGNORE_PARAMETERS) and not re.search(ASP_NET_CONTROL_REGEX, item):
@@ -305,7 +305,9 @@ def start():
                     message = "SQL injection vulnerability has already been detected "
                     message += "against '%s'. Do you want to skip " % conf.hostname
                     message += "further tests involving it? [Y/n]"
-                    kb.skipVulnHost = readInput(message, default="Y").upper() != 'N'
+
+                    kb.skipVulnHost = readInput(message, default="Y", boolean=True)
+
                 testSqlInj = not kb.skipVulnHost
 
             if not testSqlInj:
@@ -332,9 +334,8 @@ def start():
                         continue
 
                     message += "\ndo you want to test this form? [Y/n/q] "
-                    test = readInput(message, default="Y")
 
-                    if not test or test[0] in ("y", "Y"):
+                    if readInput(message, default='Y', boolean=True):
                         if conf.method != HTTPMETHOD.GET:
                             message = "Edit %s data [default: %s]%s: " % (conf.method, urlencode(conf.data) if conf.data else "None", " (Warning: blank fields detected)" if conf.data and extractRegexResult(EMPTY_FORM_FIELDS_REGEX, conf.data) else "")
                             conf.data = readInput(message, default=conf.data)
@@ -359,14 +360,12 @@ def start():
 
                 else:
                     message += "\ndo you want to test this URL? [Y/n/q]"
-                    test = readInput(message, default="Y")
+                    choice = readInput(message, default='Y').strip().upper()
 
-                    if not test or test[0] in ("y", "Y"):
-                        pass
-                    elif test[0] in ("n", "N"):
+                    if choice == 'N':
                         dataToStdout(os.linesep)
                         continue
-                    elif test[0] in ("q", "Q"):
+                    elif choice == 'Q':
                         break
 
                     infoMsg = "testing URL '%s'" % targetUrl
@@ -543,9 +542,8 @@ def start():
 
                                         msg = "%s parameter '%s' " % (injection.place, injection.parameter)
                                         msg += "is vulnerable. Do you want to keep testing the others (if any)? [y/N] "
-                                        test = readInput(msg, default="N")
 
-                                        if test[0] not in ("y", "Y"):
+                                        if not readInput(msg, default='N', boolean=True):
                                             proceed = False
                                             paramKey = (conf.hostname, conf.path, None, None)
                                             kb.testedParams.add(paramKey)
@@ -629,9 +627,7 @@ def start():
             if kb.injection.place is not None and kb.injection.parameter is not None:
                 if conf.multipleTargets:
                     message = "do you want to exploit this SQL injection? [Y/n] "
-                    exploit = readInput(message, default="Y")
-
-                    condition = not exploit or exploit[0] in ("y", "Y")
+                    condition = readInput(message, default='Y', boolean=True)
                 else:
                     condition = True
 
@@ -644,13 +640,11 @@ def start():
                 logger.warn(warnMsg)
 
                 message = "do you want to skip to the next target in list? [Y/n/q]"
-                test = readInput(message, default="Y")
+                choice = readInput(message, default='Y').strip().upper()
 
-                if not test or test[0] in ("y", "Y"):
-                    pass
-                elif test[0] in ("n", "N"):
+                if choice == 'N':
                     return False
-                elif test[0] in ("q", "Q"):
+                elif choice == 'Q':
                     raise SqlmapUserQuitException
             else:
                 raise
diff --git a/lib/core/common.py b/lib/core/common.py
index 919c496c6..0eaedb1c2 100644
--- a/lib/core/common.py
+++ b/lib/core/common.py
@@ -601,8 +601,8 @@ def paramToDict(place, parameters=None):
                         logger.warn(warnMsg)
 
                         message = "are you really sure that you want to continue (sqlmap could have problems)? [y/N] "
-                        test = readInput(message, default="N")
-                        if test[0] not in ("y", "Y"):
+
+                        if not readInput(message, default='N', boolean=True):
                             raise SqlmapSilentQuitException
                     elif not _:
                         warnMsg = "provided value for parameter '%s' is empty. " % parameter
@@ -644,8 +644,8 @@ def paramToDict(place, parameters=None):
                                 if candidates:
                                     message = "it appears that provided value for %s parameter '%s' " % (place, parameter)
                                     message += "is JSON deserializable. Do you want to inject inside? [y/N] "
-                                    test = readInput(message, default="N")
-                                    if test[0] in ("y", "Y"):
+
+                                    if not readInput(message, default='N', boolean=True):
                                         del testableParameters[parameter]
                                         testableParameters.update(candidates)
                                     break
@@ -657,8 +657,8 @@ def paramToDict(place, parameters=None):
                             _ = re.sub(regex, "\g<1>%s\g<%d>" % (CUSTOM_INJECTION_MARK_CHAR, len(match.groups())), testableParameters[parameter])
                             message = "it appears that provided value for %s parameter '%s' " % (place, parameter)
                             message += "has boundaries. Do you want to inject inside? ('%s') [y/N] " % _
-                            test = readInput(message, default="N")
-                            if test[0] in ("y", "Y"):
+
+                            if readInput(message, default='N', boolean=True):
                                 testableParameters[parameter] = re.sub(regex, "\g<1>%s\g<2>" % BOUNDED_INJECTION_MARKER, testableParameters[parameter])
                             break
 
@@ -965,7 +965,7 @@ def dataToOutFile(filename, data):
 
     return retVal
 
-def readInput(message, default=None, checkBatch=True):
+def readInput(message, default=None, checkBatch=True, boolean=False):
     """
     Reads input from terminal
     """
@@ -1038,6 +1038,9 @@ def readInput(message, default=None, checkBatch=True):
             finally:
                 logging._releaseLock()
 
+    if boolean:
+        retVal = retVal.strip().upper == 'Y'
+
     return retVal
 
 def randomRange(start=0, stop=1000, seed=None):
@@ -1979,9 +1982,8 @@ def getSQLSnippet(dbms, sfile, **variables):
         logger.error(errMsg)
 
         msg = "do you want to provide the substitution values? [y/N] "
-        choice = readInput(msg, default="N")
 
-        if choice and choice[0].lower() == "y":
+        if readInput(msg, default='N', boolean=True):
             for var in variables:
                 msg = "insert value for variable '%s': " % var
                 val = readInput(msg, default="")
@@ -2370,8 +2372,8 @@ def wasLastResponseDelayed():
             if kb.adjustTimeDelay is None:
                 msg = "do you want sqlmap to try to optimize value(s) "
                 msg += "for DBMS delay responses (option '--time-sec')? [Y/n] "
-                choice = readInput(msg, default='Y')
-                kb.adjustTimeDelay = ADJUST_TIME_DELAY.DISABLE if choice.upper() == 'N' else ADJUST_TIME_DELAY.YES
+
+                kb.adjustTimeDelay = ADJUST_TIME_DELAY.DISABLE if not readInput(msg, default='Y', boolean=True) else ADJUST_TIME_DELAY.YES
             if kb.adjustTimeDelay is ADJUST_TIME_DELAY.YES:
                 adjustTimeDelay(threadData.lastQueryDuration, lowerStdLimit)
 
@@ -3263,11 +3265,11 @@ def createGithubIssue(errMsg, excMsg):
     msg += "with the unhandled exception information at "
     msg += "the official Github repository? [y/N] "
     try:
-        test = readInput(msg, default="N")
+        choice = readInput(msg, default='N', boolean=True)
     except:
-        test = None
+        choice = None
 
-    if test and test[0] in ("y", "Y"):
+    if choice:
         ex = None
         errMsg = errMsg[errMsg.find("\n"):]
 
diff --git a/lib/core/option.py b/lib/core/option.py
index e3a731ac4..b054494fc 100755
--- a/lib/core/option.py
+++ b/lib/core/option.py
@@ -542,8 +542,7 @@ def _doSearch():
             elif re.search(URI_INJECTABLE_REGEX, link, re.I):
                 if kb.data.onlyGETs is None and conf.data is None and not conf.googleDork:
                     message = "do you want to scan only results containing GET parameters? [Y/n] "
-                    test = readInput(message, default="Y")
-                    kb.data.onlyGETs = test.lower() != 'n'
+                    kb.data.onlyGETs = readInput(message, default='Y', boolean=True)
                 if not kb.data.onlyGETs or conf.googleDork:
                     kb.targets.add((link, conf.method, conf.data, conf.cookie, None))
 
@@ -570,9 +569,8 @@ def _doSearch():
             message += "for your search dork expression, but none of them "
             message += "have GET parameters to test for SQL injection. "
             message += "Do you want to skip to the next result page? [Y/n]"
-            test = readInput(message, default="Y")
 
-            if test[0] in ("n", "N"):
+            if not readInput(message, default='Y', boolean=True):
                 raise SqlmapSilentQuitException
             else:
                 conf.googlePage += 1
@@ -946,14 +944,14 @@ def _setTamperingFunctions():
                         message = "it appears that you might have mixed "
                         message += "the order of tamper scripts. "
                         message += "Do you want to auto resolve this? [Y/n/q] "
-                        test = readInput(message, default="Y")
+                        choice = readInput(message, default='Y').strip().upper()
 
-                        if not test or test[0] in ("y", "Y"):
-                            resolve_priorities = True
-                        elif test[0] in ("n", "N"):
+                        if choice == 'N':
                             resolve_priorities = False
-                        elif test[0] in ("q", "Q"):
+                        elif choice == 'Q':
                             raise SqlmapUserQuitException
+                        else:
+                            resolve_priorities = True
 
                         check_priority = False
 
diff --git a/lib/core/settings.py b/lib/core/settings.py
index fe3bb95c3..922c8e8b9 100755
--- a/lib/core/settings.py
+++ b/lib/core/settings.py
@@ -19,7 +19,7 @@ from lib.core.enums import DBMS_DIRECTORY_NAME
 from lib.core.enums import OS
 
 # sqlmap version (<major>.<minor>.<month>.<monthly commit>)
-VERSION = "1.1.4.31"
+VERSION = "1.1.4.32"
 TYPE = "dev" if VERSION.count('.') > 2 and VERSION.split('.')[-1] != '0' else "stable"
 TYPE_COLORS = {"dev": 33, "stable": 90, "pip": 34}
 VERSION_STRING = "sqlmap/%s#%s" % ('.'.join(VERSION.split('.')[:-1]) if VERSION.count('.') > 2 and VERSION.split('.')[-1] == '0' else VERSION, TYPE)
diff --git a/lib/core/target.py b/lib/core/target.py
index 790687597..0e183ffe4 100644
--- a/lib/core/target.py
+++ b/lib/core/target.py
@@ -118,11 +118,12 @@ def _setRequestParams():
         if kb.processUserMarks is None and CUSTOM_INJECTION_MARK_CHAR in conf.data:
             message = "custom injection marking character ('%s') found in option " % CUSTOM_INJECTION_MARK_CHAR
             message += "'--data'. Do you want to process it? [Y/n/q] "
-            test = readInput(message, default="Y")
-            if test and test[0] in ("q", "Q"):
+            choice = readInput(message, default='Y')
+
+            if choice == 'Q':
                 raise SqlmapUserQuitException
             else:
-                kb.processUserMarks = not test or test[0] not in ("n", "N")
+                kb.processUserMarks = choice == 'Y'
 
                 if kb.processUserMarks:
                     kb.testOnlyCustom = True
@@ -131,10 +132,11 @@ def _setRequestParams():
             if re.search(JSON_RECOGNITION_REGEX, conf.data):
                 message = "JSON data found in %s data. " % conf.method
                 message += "Do you want to process it? [Y/n/q] "
-                test = readInput(message, default="Y")
-                if test and test[0] in ("q", "Q"):
+                choice = readInput(message, default='Y')
+
+                if choice == 'Q':
                     raise SqlmapUserQuitException
-                elif test[0] not in ("n", "N"):
+                elif choice == 'N':
                     conf.data = getattr(conf.data, UNENCODED_ORIGINAL_VALUE, conf.data)
                     conf.data = conf.data.replace(CUSTOM_INJECTION_MARK_CHAR, ASTERISK_MARKER)
                     conf.data = re.sub(r'("(?P<name>[^"]+)"\s*:\s*"[^"]+)"', functools.partial(process, repl=r'\g<1>%s"' % CUSTOM_INJECTION_MARK_CHAR), conf.data)
@@ -150,10 +152,11 @@ def _setRequestParams():
             elif re.search(JSON_LIKE_RECOGNITION_REGEX, conf.data):
                 message = "JSON-like data found in %s data. " % conf.method
                 message += "Do you want to process it? [Y/n/q] "
-                test = readInput(message, default="Y")
-                if test and test[0] in ("q", "Q"):
+                choice = readInput(message, default='Y').strip().upper()
+
+                if choice == 'Q':
                     raise SqlmapUserQuitException
-                elif test[0] not in ("n", "N"):
+                elif choice == 'N':
                     conf.data = getattr(conf.data, UNENCODED_ORIGINAL_VALUE, conf.data)
                     conf.data = conf.data.replace(CUSTOM_INJECTION_MARK_CHAR, ASTERISK_MARKER)
                     conf.data = re.sub(r"('(?P<name>[^']+)'\s*:\s*'[^']+)'", functools.partial(process, repl=r"\g<1>%s'" % CUSTOM_INJECTION_MARK_CHAR), conf.data)
@@ -163,10 +166,11 @@ def _setRequestParams():
             elif re.search(ARRAY_LIKE_RECOGNITION_REGEX, conf.data):
                 message = "Array-like data found in %s data. " % conf.method
                 message += "Do you want to process it? [Y/n/q] "
-                test = readInput(message, default="Y")
-                if test and test[0] in ("q", "Q"):
+                choice = readInput(message, default='Y').strip().upper()
+
+                if choice == 'Q':
                     raise SqlmapUserQuitException
-                elif test[0] not in ("n", "N"):
+                elif choice == 'N':
                     conf.data = conf.data.replace(CUSTOM_INJECTION_MARK_CHAR, ASTERISK_MARKER)
                     conf.data = re.sub(r"(=[^%s]+)" % DEFAULT_GET_POST_DELIMITER, r"\g<1>%s" % CUSTOM_INJECTION_MARK_CHAR, conf.data)
                     kb.postHint = POST_HINT.ARRAY_LIKE
@@ -174,10 +178,11 @@ def _setRequestParams():
             elif re.search(XML_RECOGNITION_REGEX, conf.data):
                 message = "SOAP/XML data found in %s data. " % conf.method
                 message += "Do you want to process it? [Y/n/q] "
-                test = readInput(message, default="Y")
-                if test and test[0] in ("q", "Q"):
+                choice = readInput(message, default='Y').strip().upper()
+
+                if choice == 'Q':
                     raise SqlmapUserQuitException
-                elif test[0] not in ("n", "N"):
+                elif choice == 'N':
                     conf.data = getattr(conf.data, UNENCODED_ORIGINAL_VALUE, conf.data)
                     conf.data = conf.data.replace(CUSTOM_INJECTION_MARK_CHAR, ASTERISK_MARKER)
                     conf.data = re.sub(r"(<(?P<name>[^>]+)( [^<]*)?>)([^<]+)(</\2)", functools.partial(process, repl=r"\g<1>\g<4>%s\g<5>" % CUSTOM_INJECTION_MARK_CHAR), conf.data)
@@ -186,10 +191,11 @@ def _setRequestParams():
             elif re.search(MULTIPART_RECOGNITION_REGEX, conf.data):
                 message = "Multipart-like data found in %s data. " % conf.method
                 message += "Do you want to process it? [Y/n/q] "
-                test = readInput(message, default="Y")
-                if test and test[0] in ("q", "Q"):
+                choice = readInput(message, default='Y').strip().upper()
+
+                if choice == 'Q':
                     raise SqlmapUserQuitException
-                elif test[0] not in ("n", "N"):
+                elif choice == 'N':
                     conf.data = getattr(conf.data, UNENCODED_ORIGINAL_VALUE, conf.data)
                     conf.data = conf.data.replace(CUSTOM_INJECTION_MARK_CHAR, ASTERISK_MARKER)
                     conf.data = re.sub(r"(?si)((Content-Disposition[^\n]+?name\s*=\s*[\"'](?P<name>[^\n]+?)[\"']).+?)(((\r)?\n)+--)", functools.partial(process, repl=r"\g<1>%s\g<4>" % CUSTOM_INJECTION_MARK_CHAR), conf.data)
@@ -222,11 +228,11 @@ def _setRequestParams():
 
         message = "do you want to try URI injections "
         message += "in the target URL itself? [Y/n/q] "
-        test = readInput(message, default="Y")
+        choice = readInput(message, default='Y').strip().upper()
 
-        if test and test[0] in ("q", "Q"):
+        if choice == 'Q':
             raise SqlmapUserQuitException
-        elif not test or test[0] not in ("n", "N"):
+        elif choice == 'Y':
             conf.url = "%s%s" % (conf.url, CUSTOM_INJECTION_MARK_CHAR)
             kb.processUserMarks = True
 
@@ -237,11 +243,12 @@ def _setRequestParams():
                 lut = {PLACE.URI: '-u', PLACE.CUSTOM_POST: '--data', PLACE.CUSTOM_HEADER: '--headers/--user-agent/--referer/--cookie'}
                 message = "custom injection marking character ('%s') found in option " % CUSTOM_INJECTION_MARK_CHAR
                 message += "'%s'. Do you want to process it? [Y/n/q] " % lut[place]
-                test = readInput(message, default="Y")
-                if test and test[0] in ("q", "Q"):
+                choice = readInput(message, default='Y').strip().upper()
+
+                if choice == 'Q':
                     raise SqlmapUserQuitException
                 else:
-                    kb.processUserMarks = not test or test[0] not in ("n", "N")
+                    kb.processUserMarks = choice == 'Y'
 
                     if kb.processUserMarks:
                         kb.testOnlyCustom = True
@@ -381,8 +388,8 @@ def _setRequestParams():
                 if any(parameter.lower().count(_) for _ in CSRF_TOKEN_PARAMETER_INFIXES):
                     message = "%s parameter '%s' appears to hold anti-CSRF token. " % (place, parameter)
                     message += "Do you want sqlmap to automatically update it in further requests? [y/N] "
-                    test = readInput(message, default="N")
-                    if test and test[0] in ("y", "Y"):
+
+                    if readInput(message, default='N', boolean=True):
                         conf.csrfToken = parameter
                     break
 
@@ -471,9 +478,8 @@ def _resumeDBMS():
             message += "sqlmap assumes the back-end DBMS is '%s'. " % dbms
             message += "Do you really want to force the back-end "
             message += "DBMS value? [y/N] "
-            test = readInput(message, default="N")
 
-            if not test or test[0] in ("n", "N"):
+            if not readInput(message, default='N', boolean=True):
                 conf.dbms = None
                 Backend.setDbms(dbms)
                 Backend.setVersionList(dbmsVersion)
@@ -507,9 +513,8 @@ def _resumeOS():
             message += "operating system is %s. " % os
             message += "Do you really want to force the back-end DBMS "
             message += "OS value? [y/N] "
-            test = readInput(message, default="N")
 
-            if not test or test[0] in ("n", "N"):
+            if not readInput(message, default='N', boolean=True):
                 conf.os = os
         else:
             conf.os = os
diff --git a/lib/core/threads.py b/lib/core/threads.py
index c1349ace1..6358b7d9a 100644
--- a/lib/core/threads.py
+++ b/lib/core/threads.py
@@ -67,7 +67,7 @@ ThreadData = _ThreadData()
 def getCurrentThreadUID():
     return hash(threading.currentThread())
 
-def readInput(message, default=None):
+def readInput(message, default=None, checkBatch=True, boolean=False):
     # It will be overwritten by original from lib.core.common
     pass
 
diff --git a/lib/parse/sitemap.py b/lib/parse/sitemap.py
index 182703283..efd609d15 100644
--- a/lib/parse/sitemap.py
+++ b/lib/parse/sitemap.py
@@ -41,8 +41,7 @@ def parseSitemap(url, retVal=None):
             if url.endswith(".xml") and "sitemap" in url.lower():
                 if kb.followSitemapRecursion is None:
                     message = "sitemap recursion detected. Do you want to follow? [y/N] "
-                    test = readInput(message, default="N")
-                    kb.followSitemapRecursion = test[0] in ("y", "Y")
+                    kb.followSitemapRecursion = readInput(message, default='N', boolean=True)
                 if kb.followSitemapRecursion:
                     parseSitemap(url, retVal)
             else:
diff --git a/lib/request/basic.py b/lib/request/basic.py
index ef253f33a..fc3685cd1 100644
--- a/lib/request/basic.py
+++ b/lib/request/basic.py
@@ -103,8 +103,8 @@ def forgeHeaders(items=None):
                         message += "The target URL provided its own cookies within "
                         message += "the HTTP %s header which intersect with yours. " % HTTP_HEADER.SET_COOKIE
                         message += "Do you want to merge them in further requests? [Y/n] "
-                        _ = readInput(message, default="Y")
-                        kb.mergeCookies = not _ or _[0] in ("y", "Y")
+
+                        kb.mergeCookies = readInput(message, default='Y', boolean=True)
 
                     if kb.mergeCookies and kb.injection.place != PLACE.COOKIE:
                         _ = lambda x: re.sub(r"(?i)\b%s=[^%s]+" % (re.escape(getUnicode(cookie.name)), conf.cookieDel or DEFAULT_COOKIE_DELIMITER), ("%s=%s" % (getUnicode(cookie.name), getUnicode(cookie.value))).replace('\\', r'\\'), x)
@@ -368,8 +368,10 @@ def processResponse(page, responseHeaders):
                         continue
                     else:
                         msg = "do you want to automatically adjust the value of '%s'? [y/N]" % name
-                        if readInput(msg, default='N').strip().upper() != 'Y':
+
+                        if not readInput(msg, default='N', boolean=True):
                             continue
+
                         conf.paramDict[PLACE.POST][name] = value
                 conf.parameters[PLACE.POST] = re.sub("(?i)(%s=)[^&]+" % re.escape(name), r"\g<1>%s" % re.escape(value), conf.parameters[PLACE.POST])
 
diff --git a/lib/request/connect.py b/lib/request/connect.py
index fb447094e..9c45e5600 100644
--- a/lib/request/connect.py
+++ b/lib/request/connect.py
@@ -509,9 +509,8 @@ class Connect(object):
                         msg += "(redirect like response common to login pages). "
                         msg += "Do you want to apply the refresh "
                         msg += "from now on (or stay on the original page)? [Y/n]"
-                        choice = readInput(msg, default="Y")
 
-                        kb.alwaysRefresh = choice not in ("n", "N")
+                        kb.alwaysRefresh = readInput(msg, default='Y', boolean=True)
 
                     if kb.alwaysRefresh:
                         if re.search(r"\Ahttps?://", refresh, re.I):
@@ -675,7 +674,8 @@ class Connect(object):
                     message = "there seems to be a continuous problem with connection to the target. "
                     message += "Are you sure that you want to continue "
                     message += "with further target testing? [y/N] "
-                    kb.connErrorChoice = readInput(message, default="N") in ("Y", "y")
+
+                    kb.connErrorChoice = readInput(message, default='N', boolean=True)
 
                 if kb.connErrorChoice is False:
                     raise SqlmapConnectionException(warnMsg)
@@ -832,7 +832,7 @@ class Connect(object):
                         if kb.cookieEncodeChoice is None:
                             msg = "do you want to URL encode cookie values (implementation specific)? %s" % ("[Y/n]" if not conf.url.endswith(".aspx") else "[y/N]")  # Reference: https://support.microsoft.com/en-us/kb/313282
                             choice = readInput(msg, default='Y' if not conf.url.endswith(".aspx") else 'N')
-                            kb.cookieEncodeChoice = choice.upper().strip() == "Y"
+                            kb.cookieEncodeChoice = choice.upper().strip() == 'Y'
                         if not kb.cookieEncodeChoice:
                             skip = True
 
diff --git a/lib/request/inject.py b/lib/request/inject.py
index cd0c396b8..bc221fb97 100644
--- a/lib/request/inject.py
+++ b/lib/request/inject.py
@@ -208,22 +208,22 @@ def _goInferenceProxy(expression, fromUser=False, batch=False, unpack=True, char
                             message += "entries do you want to retrieve?\n"
                             message += "[a] All (default)\n[#] Specific number\n"
                             message += "[q] Quit"
-                            test = readInput(message, default="a")
+                            choice = readInput(message, default='A').strip().upper()
 
-                            if not test or test[0] in ("a", "A"):
+                            if choice == 'A':
                                 stopLimit = count
 
-                            elif test[0] in ("q", "Q"):
+                            elif choice == 'Q':
                                 raise SqlmapUserQuitException
 
-                            elif test.isdigit() and int(test) > 0 and int(test) <= count:
-                                stopLimit = int(test)
+                            elif choice.isdigit() and int(choice) > 0 and int(choice) <= count:
+                                stopLimit = int(choice)
 
                                 infoMsg = "sqlmap is now going to retrieve the "
                                 infoMsg += "first %d query output entries" % stopLimit
                                 logger.info(infoMsg)
 
-                            elif test[0] in ("#", "s", "S"):
+                            elif choice in ('#', 'S'):
                                 message = "how many? "
                                 stopLimit = readInput(message, default="10")
 
diff --git a/lib/request/redirecthandler.py b/lib/request/redirecthandler.py
index 81c7163ed..ce22fb14f 100644
--- a/lib/request/redirecthandler.py
+++ b/lib/request/redirecthandler.py
@@ -50,18 +50,16 @@ class SmartRedirectHandler(urllib2.HTTPRedirectHandler):
             if kb.redirectChoice is None:
                 msg = "sqlmap got a %d redirect to " % redcode
                 msg += "'%s'. Do you want to follow? [Y/n] " % redurl
-                choice = readInput(msg, default="Y")
 
-                kb.redirectChoice = choice.upper()
+                kb.redirectChoice = REDIRECTION.YES if readInput(msg, default='Y', boolean=True) else REDIRECTION.NO
 
             if kb.redirectChoice == REDIRECTION.YES and method == HTTPMETHOD.POST and kb.resendPostOnRedirect is None:
                 msg = "redirect is a result of a "
                 msg += "POST request. Do you want to "
                 msg += "resend original POST data to a new "
                 msg += "location? [%s] " % ("Y/n" if not kb.originalPage else "y/N")
-                choice = readInput(msg, default=("Y" if not kb.originalPage else "N"))
 
-                kb.resendPostOnRedirect = choice.upper() == 'Y'
+                kb.resendPostOnRedirect = readInput(msg, default=("Y" if not kb.originalPage else "N"), boolean=True)
 
             if kb.resendPostOnRedirect:
                 self.redirect_request = self._redirect_request
diff --git a/lib/takeover/abstraction.py b/lib/takeover/abstraction.py
index 77dcdf2c9..f5ef9edaf 100644
--- a/lib/takeover/abstraction.py
+++ b/lib/takeover/abstraction.py
@@ -75,17 +75,17 @@ class Abstraction(Web, UDF, XP_cmdshell):
         return safechardecode(retVal)
 
     def runCmd(self, cmd):
-        getOutput = None
+        choice = None
 
         if not self.alwaysRetrieveCmdOutput:
             message = "do you want to retrieve the command standard "
             message += "output? [Y/n/a] "
-            getOutput = readInput(message, default="Y")
+            choice = readInput(message, default='Y')
 
-            if getOutput in ("a", "A"):
+            if choice in ('a', 'A'):
                 self.alwaysRetrieveCmdOutput = True
 
-        if not getOutput or getOutput in ("y", "Y") or self.alwaysRetrieveCmdOutput:
+        if not choice or choice in ('y', 'Y') or self.alwaysRetrieveCmdOutput:
             output = self.evalCmd(cmd)
 
             if output:
@@ -166,9 +166,8 @@ class Abstraction(Web, UDF, XP_cmdshell):
             msg += "statements as another DBMS user since you provided the "
             msg += "option '--dbms-creds'. If you are DBA, you can enable it. "
             msg += "Do you want to enable it? [Y/n] "
-            choice = readInput(msg, default="Y")
 
-            if not choice or choice in ("y", "Y"):
+            if readInput(msg, default='Y', boolean=True):
                 expression = getSQLSnippet(DBMS.MSSQL, "configure_openrowset", ENABLE="1")
                 inject.goStacked(expression)
 
diff --git a/lib/takeover/udf.py b/lib/takeover/udf.py
index 12f9be470..b5c67bda9 100644
--- a/lib/takeover/udf.py
+++ b/lib/takeover/udf.py
@@ -42,12 +42,8 @@ class UDF:
     def _askOverwriteUdf(self, udf):
         message = "UDF '%s' already exists, do you " % udf
         message += "want to overwrite it? [y/N] "
-        output = readInput(message, default="N")
 
-        if output and output[0] in ("y", "Y"):
-            return True
-        else:
-            return False
+        return readInput(message, default='N', boolean=True)
 
     def _checkExistUdf(self, udf):
         logger.info("checking if UDF '%s' already exist" % udf)
@@ -327,12 +323,12 @@ class UDF:
 
         msg = "do you want to call your injected user-defined "
         msg += "functions now? [Y/n/q] "
-        choice = readInput(msg, default="Y")
+        choice = readInput(msg, default='Y').strip().upper()
 
-        if choice[0] in ("n", "N"):
+        if choice == 'N':
             self.cleanup(udfDict=self.udfs)
             return
-        elif choice[0] in ("q", "Q"):
+        elif choice == 'Q':
             self.cleanup(udfDict=self.udfs)
             raise SqlmapUserQuitException
 
@@ -347,9 +343,9 @@ class UDF:
             msg += "\n[q] Quit"
 
             while True:
-                choice = readInput(msg)
+                choice = readInput(msg).strip().upper()
 
-                if choice and choice[0] in ("q", "Q"):
+                if choice == 'Q':
                     break
                 elif isinstance(choice, basestring) and choice.isdigit() and int(choice) > 0 and int(choice) <= len(udfList):
                     choice = int(choice)
@@ -390,9 +386,8 @@ class UDF:
             cmd = cmd[:-1]
             msg = "do you want to retrieve the return value of the "
             msg += "UDF? [Y/n] "
-            choice = readInput(msg, default="Y")
 
-            if choice[0] in ("y", "Y"):
+            if readInput(msg, default='Y', boolean=True):
                 output = self.udfEvalCmd(cmd, udfName=udfToCall)
 
                 if output:
@@ -403,9 +398,8 @@ class UDF:
                 self.udfExecCmd(cmd, udfName=udfToCall, silent=True)
 
             msg = "do you want to call this or another injected UDF? [Y/n] "
-            choice = readInput(msg, default="Y")
 
-            if choice[0] not in ("y", "Y"):
+            if not readInput(msg, default='Y', boolean=True):
                 break
 
         self.cleanup(udfDict=self.udfs)
diff --git a/lib/takeover/web.py b/lib/takeover/web.py
index b1d907156..3d2f8389d 100644
--- a/lib/takeover/web.py
+++ b/lib/takeover/web.py
@@ -202,9 +202,8 @@ class Web:
         if not kb.absFilePaths:
             message = "do you want sqlmap to further try to "
             message += "provoke the full path disclosure? [Y/n] "
-            getOutput = readInput(message, default="Y")
 
-            if getOutput in ("y", "Y"):
+            if readInput(message, default='Y', boolean=True):
                 headers = {}
                 been = set([conf.url])
 
@@ -391,9 +390,8 @@ class Web:
 
                     message = "do you want to try the same method used "
                     message += "for the file stager? [Y/n] "
-                    getOutput = readInput(message, default="Y")
 
-                    if getOutput in ("y", "Y"):
+                    if readInput(message, default='Y', boolean=True):
                         self._webFileInject(backdoorContent, backdoorName, directory)
                     else:
                         continue
diff --git a/lib/takeover/xp_cmdshell.py b/lib/takeover/xp_cmdshell.py
index e7ac6a52a..6c9fd6928 100644
--- a/lib/takeover/xp_cmdshell.py
+++ b/lib/takeover/xp_cmdshell.py
@@ -255,9 +255,8 @@ class XP_cmdshell:
                 message = "xp_cmdshell extended procedure does not seem to "
                 message += "be available. Do you want sqlmap to try to "
                 message += "re-enable it? [Y/n] "
-                choice = readInput(message, default="Y")
 
-                if not choice or choice in ("y", "Y"):
+                if readInput(message, default='Y', boolean=True):
                     self._xpCmdshellConfigure(1)
 
                     if self._xpCmdshellCheck():
diff --git a/lib/techniques/error/use.py b/lib/techniques/error/use.py
index a4ef3cd90..ef88100a2 100644
--- a/lib/techniques/error/use.py
+++ b/lib/techniques/error/use.py
@@ -358,9 +358,8 @@ def errorUse(expression, dump=False):
             if " ORDER BY " in expression and (stopLimit - startLimit) > SLOW_ORDER_COUNT_THRESHOLD:
                 message = "due to huge table size do you want to remove "
                 message += "ORDER BY clause gaining speed over consistency? [y/N] "
-                _ = readInput(message, default="N")
 
-                if _ and _[0] in ("y", "Y"):
+                if readInput(message, default="N", boolean=True):
                     expression = expression[:expression.index(" ORDER BY ")]
 
             numThreads = min(conf.threads, (stopLimit - startLimit))
diff --git a/lib/techniques/union/test.py b/lib/techniques/union/test.py
index 1f2c49a5a..19c41801a 100644
--- a/lib/techniques/union/test.py
+++ b/lib/techniques/union/test.py
@@ -283,8 +283,8 @@ def _unionTestByCharBruteforce(comment, place, parameter, value, prefix, suffix)
 
             if not conf.uChar and count > 1 and kb.uChar == NULL:
                 message = "injection not exploitable with NULL values. Do you want to try with a random integer value for option '--union-char'? [Y/n] "
-                test = readInput(message, default="Y")
-                if test[0] not in ("y", "Y"):
+
+                if not readInput(message, default="Y", boolean=True):
                     warnMsg += "usage of option '--union-char' "
                     warnMsg += "(e.g. '--union-char=1') "
                 else:
diff --git a/lib/utils/brute.py b/lib/utils/brute.py
index 30766786a..255df2983 100644
--- a/lib/utils/brute.py
+++ b/lib/utils/brute.py
@@ -57,8 +57,7 @@ def tableExists(tableFile, regex=None):
         logger.warn(warnMsg)
 
         message = "are you sure you want to continue? [y/N] "
-        test = readInput(message, default="N")
-        kb.tableExistsChoice = test[0] in ("y", "Y")
+        kb.tableExistsChoice = readInput(message, default='N', boolean=True)
 
         if not kb.tableExistsChoice:
             return None
@@ -161,8 +160,7 @@ def columnExists(columnFile, regex=None):
         logger.warn(warnMsg)
 
         message = "are you sure you want to continue? [y/N] "
-        test = readInput(message, default="N")
-        kb.columnExistsChoice = test[0] in ("y", "Y")
+        kb.columnExistsChoice = readInput(message, default='N', boolean=True)
 
         if not kb.columnExistsChoice:
             return None
diff --git a/lib/utils/crawler.py b/lib/utils/crawler.py
index edeb946fe..4a0b9c138 100644
--- a/lib/utils/crawler.py
+++ b/lib/utils/crawler.py
@@ -130,8 +130,8 @@ def crawl(target):
         if not conf.sitemapUrl:
             message = "do you want to check for the existence of "
             message += "site's sitemap(.xml) [y/N] "
-            test = readInput(message, default="n")
-            if test[0] in ("y", "Y"):
+
+            if readInput(message, default='N', boolean=True):
                 found = True
                 items = None
                 url = urlparse.urljoin(target, "/sitemap.xml")
@@ -198,8 +198,8 @@ def storeResultsToFile(results):
     if kb.storeCrawlingChoice is None:
         message = "do you want to store crawling results to a temporary file "
         message += "for eventual further processing with other tools [y/N] "
-        test = readInput(message, default="N")
-        kb.storeCrawlingChoice = test[0] in ("y", "Y")
+
+        kb.storeCrawlingChoice = readInput(message, default='N', boolean=True)
 
     if kb.storeCrawlingChoice:
         handle, filename = tempfile.mkstemp(prefix=MKSTEMP_PREFIX.CRAWLER, suffix=".csv" if conf.forms else ".txt")
diff --git a/lib/utils/hash.py b/lib/utils/hash.py
index 06396223d..5bc23b796 100644
--- a/lib/utils/hash.py
+++ b/lib/utils/hash.py
@@ -382,8 +382,8 @@ def storeHashesToFile(attack_dict):
     if kb.storeHashesChoice is None:
         message = "do you want to store hashes to a temporary file "
         message += "for eventual further processing with other tools [y/N] "
-        test = readInput(message, default="N")
-        kb.storeHashesChoice = test[0] in ("y", "Y")
+
+        kb.storeHashesChoice = readInput(message, default='N', boolean=True)
 
     if not kb.storeHashesChoice:
         return
@@ -482,11 +482,11 @@ def attackDumpedTable():
             storeHashesToFile(attack_dict)
 
             message = "do you want to crack them via a dictionary-based attack? %s" % ("[y/N/q]" if conf.multipleTargets else "[Y/n/q]")
-            test = readInput(message, default="N" if conf.multipleTargets else "Y")
+            choice = readInput(message, default='N' if conf.multipleTargets else 'Y').strip().upper()
 
-            if test[0] in ("n", "N"):
+            if choice == 'N':
                 return
-            elif test[0] in ("q", "Q"):
+            elif choice == 'Q':
                 raise SqlmapUserQuitException
 
             results = dictionaryAttack(attack_dict)
@@ -805,9 +805,8 @@ def dictionaryAttack(attack_dict):
                     logger.critical(warnMsg)
 
             message = "do you want to use common password suffixes? (slow!) [y/N] "
-            test = readInput(message, default="N")
 
-            if test[0] in ("y", "Y"):
+            if readInput(message, default='N', boolean=True):
                 suffix_list += COMMON_PASSWORD_SUFFIXES
 
         infoMsg = "starting dictionary-based cracking (%s)" % __functions__[hash_regex].func_name
diff --git a/plugins/dbms/maxdb/enumeration.py b/plugins/dbms/maxdb/enumeration.py
index a506f8207..0acd62534 100644
--- a/plugins/dbms/maxdb/enumeration.py
+++ b/plugins/dbms/maxdb/enumeration.py
@@ -172,11 +172,11 @@ class Enumeration(GenericEnumeration):
                 return kb.data.cachedColumns
 
             message = "do you want to use common column existence check? [y/N/q] "
-            test = readInput(message, default="Y" if "Y" in message else "N")
+            choice = readInput(message, default='Y' if 'Y' in message else 'N').strip().upper()
 
-            if test[0] in ("n", "N"):
+            if choice == 'N':
                 return
-            elif test[0] in ("q", "Q"):
+            elif choice == 'Q':
                 raise SqlmapUserQuitException
             else:
                 return columnExists(paths.COMMON_COLUMNS)
diff --git a/plugins/dbms/mssqlserver/filesystem.py b/plugins/dbms/mssqlserver/filesystem.py
index 3ef3075d8..9d1edf9b8 100644
--- a/plugins/dbms/mssqlserver/filesystem.py
+++ b/plugins/dbms/mssqlserver/filesystem.py
@@ -382,27 +382,24 @@ class Filesystem(GenericFilesystem):
         if written is False:
             message = "do you want to try to upload the file with "
             message += "the custom Visual Basic script technique? [Y/n] "
-            choice = readInput(message, default="Y")
 
-            if not choice or choice.lower() == "y":
+            if readInput(message, default='Y', boolean=True):
                 self._stackedWriteFileVbs(tmpPath, wFileContent, dFile, fileType)
                 written = self.askCheckWrittenFile(wFile, dFile, forceCheck)
 
         if written is False:
             message = "do you want to try to upload the file with "
             message += "the built-in debug.exe technique? [Y/n] "
-            choice = readInput(message, default="Y")
 
-            if not choice or choice.lower() == "y":
+            if readInput(message, default='Y', boolean=True):
                 self._stackedWriteFileDebugExe(tmpPath, wFile, wFileContent, dFile, fileType)
                 written = self.askCheckWrittenFile(wFile, dFile, forceCheck)
 
         if written is False:
             message = "do you want to try to upload the file with "
             message += "the built-in certutil.exe technique? [Y/n] "
-            choice = readInput(message, default="Y")
 
-            if not choice or choice.lower() == "y":
+            if readInput(message, default='Y', boolean=True):
                 self._stackedWriteFileCertutilExe(tmpPath, wFile, wFileContent, dFile, fileType)
                 written = self.askCheckWrittenFile(wFile, dFile, forceCheck)
 
diff --git a/plugins/dbms/sybase/enumeration.py b/plugins/dbms/sybase/enumeration.py
index 8ba5e7acd..2529ce8ef 100644
--- a/plugins/dbms/sybase/enumeration.py
+++ b/plugins/dbms/sybase/enumeration.py
@@ -240,11 +240,11 @@ class Enumeration(GenericEnumeration):
                 return kb.data.cachedColumns
 
             message = "do you want to use common column existence check? [y/N/q] "
-            test = readInput(message, default="Y" if "Y" in message else "N")
+            choice = readInput(message, default='Y' if 'Y' in message else 'N').strip().upper()
 
-            if test[0] in ("n", "N"):
+            if choice == 'N':
                 return
-            elif test[0] in ("q", "Q"):
+            elif choice == 'Q':
                 raise SqlmapUserQuitException
             else:
                 return columnExists(paths.COMMON_COLUMNS)
diff --git a/plugins/generic/databases.py b/plugins/generic/databases.py
index fbac8c999..a95001e88 100644
--- a/plugins/generic/databases.py
+++ b/plugins/generic/databases.py
@@ -243,11 +243,11 @@ class Databases:
                 return kb.data.cachedTables
 
             message = "do you want to use common table existence check? %s " % ("[Y/n/q]" if Backend.getIdentifiedDbms() in (DBMS.ACCESS,) else "[y/N/q]")
-            test = readInput(message, default="Y" if "Y" in message else "N")
+            choice = readInput(message, default='Y' if 'Y' in message else 'N').strip().upper()
 
-            if test[0] in ("n", "N"):
+            if choice == 'N':
                 return
-            elif test[0] in ("q", "Q"):
+            elif choice == 'Q':
                 raise SqlmapUserQuitException
             else:
                 return tableExists(paths.COMMON_TABLES)
@@ -486,11 +486,11 @@ class Databases:
                 return kb.data.cachedColumns
 
             message = "do you want to use common column existence check? %s" % ("[Y/n/q]" if Backend.getIdentifiedDbms() in (DBMS.ACCESS,) else "[y/N/q]")
-            test = readInput(message, default="Y" if "Y" in message else "N")
+            choice = readInput(message, default='Y' if 'Y' in message else 'N').strip().upper()
 
-            if test[0] in ("n", "N"):
+            if choice == 'N':
                 return
-            elif test[0] in ("q", "Q"):
+            elif choice == 'Q':
                 raise SqlmapUserQuitException
             else:
                 return columnExists(paths.COMMON_COLUMNS)
diff --git a/plugins/generic/entries.py b/plugins/generic/entries.py
index dda0d83ea..989568278 100644
--- a/plugins/generic/entries.py
+++ b/plugins/generic/entries.py
@@ -422,9 +422,8 @@ class Entries:
 
     def dumpFoundColumn(self, dbs, foundCols, colConsider):
         message = "do you want to dump entries? [Y/n] "
-        output = readInput(message, default="Y")
 
-        if output and output[0] not in ("y", "Y"):
+        if not readInput(message, default='Y', boolean=True):
             return
 
         dumpFromDbs = []
@@ -435,14 +434,14 @@ class Entries:
                 message += "[%s]\n" % unsafeSQLIdentificatorNaming(db)
 
         message += "[q]uit"
-        test = readInput(message, default="a")
+        choice = readInput(message, default='a')
 
-        if not test or test in ("a", "A"):
+        if not choice or choice in ('a', 'A'):
             dumpFromDbs = dbs.keys()
-        elif test in ("q", "Q"):
+        elif choice in ('q', 'Q'):
             return
         else:
-            dumpFromDbs = test.replace(" ", "").split(",")
+            dumpFromDbs = choice.replace(" ", "").split(",")
 
         for db, tblData in dbs.items():
             if db not in dumpFromDbs or not tblData:
@@ -458,16 +457,16 @@ class Entries:
 
             message += "[s]kip\n"
             message += "[q]uit"
-            test = readInput(message, default="a")
+            choice = readInput(message, default='a')
 
-            if not test or test in ("a", "A"):
+            if not choice or choice in ('a', 'A'):
                 dumpFromTbls = tblData
-            elif test in ("s", "S"):
+            elif choice in ('s', 'S'):
                 continue
-            elif test in ("q", "Q"):
+            elif choice in ('q', 'Q'):
                 return
             else:
-                dumpFromTbls = test.replace(" ", "").split(",")
+                dumpFromTbls = choice.replace(" ", "").split(",")
 
             for table, columns in tblData.items():
                 if table not in dumpFromTbls:
@@ -479,7 +478,7 @@ class Entries:
                 if conf.excludeCol:
                     colList = [_ for _ in colList if _ not in conf.excludeCol.split(',')]
 
-                conf.col = ",".join(colList)
+                conf.col = ','.join(colList)
                 kb.data.cachedColumns = {}
                 kb.data.dumpedTable = {}
 
@@ -490,9 +489,8 @@ class Entries:
 
     def dumpFoundTables(self, tables):
         message = "do you want to dump tables' entries? [Y/n] "
-        output = readInput(message, default="Y")
 
-        if output and output[0].lower() != "y":
+        if not readInput(message, default='Y', boolean=True):
             return
 
         dumpFromDbs = []
@@ -503,14 +501,14 @@ class Entries:
                 message += "[%s]\n" % unsafeSQLIdentificatorNaming(db)
 
         message += "[q]uit"
-        test = readInput(message, default="a")
+        choice = readInput(message, default='a')
 
-        if not test or test.lower() == "a":
+        if not choice or choice.lower() == 'a':
             dumpFromDbs = tables.keys()
-        elif test.lower() == "q":
+        elif choice.lower() == 'q':
             return
         else:
-            dumpFromDbs = test.replace(" ", "").split(",")
+            dumpFromDbs = choice.replace(" ", "").split(',')
 
         for db, tablesList in tables.items():
             if db not in dumpFromDbs or not tablesList:
@@ -526,16 +524,16 @@ class Entries:
 
             message += "[s]kip\n"
             message += "[q]uit"
-            test = readInput(message, default="a")
+            choice = readInput(message, default='a')
 
-            if not test or test.lower() == "a":
+            if not choice or choice.lower() == 'a':
                 dumpFromTbls = tablesList
-            elif test.lower() == "s":
+            elif choice.lower() == 's':
                 continue
-            elif test.lower() == "q":
+            elif choice.lower() == 'q':
                 return
             else:
-                dumpFromTbls = test.replace(" ", "").split(",")
+                dumpFromTbls = choice.replace(" ", "").split(',')
 
             for table in dumpFromTbls:
                 conf.tbl = table
diff --git a/plugins/generic/filesystem.py b/plugins/generic/filesystem.py
index fc203db4e..9611c3212 100644
--- a/plugins/generic/filesystem.py
+++ b/plugins/generic/filesystem.py
@@ -156,15 +156,15 @@ class Filesystem:
         return retVal
 
     def askCheckWrittenFile(self, localFile, remoteFile, forceCheck=False):
-        output = None
+        choice = None
 
         if forceCheck is not True:
             message = "do you want confirmation that the local file '%s' " % localFile
             message += "has been successfully written on the back-end DBMS "
             message += "file system ('%s')? [Y/n] " % remoteFile
-            output = readInput(message, default="Y")
+            choice = readInput(message, default='Y', boolean=True)
 
-        if forceCheck or (output and output.lower() == "y"):
+        if forceCheck or choice:
             return self._checkFileLength(localFile, remoteFile)
 
         return True
@@ -173,9 +173,8 @@ class Filesystem:
         message = "do you want confirmation that the remote file '%s' " % remoteFile
         message += "has been successfully downloaded from the back-end "
         message += "DBMS file system? [Y/n] "
-        output = readInput(message, default="Y")
 
-        if not output or output in ("y", "Y"):
+        if readInput(message, default='Y', boolean=True):
             return self._checkFileLength(localFile, remoteFile, True)
 
         return None
diff --git a/plugins/generic/misc.py b/plugins/generic/misc.py
index 9a4156ce7..032dc9a40 100644
--- a/plugins/generic/misc.py
+++ b/plugins/generic/misc.py
@@ -169,9 +169,8 @@ class Miscellaneous:
 
             for udf, inpRet in udfDict.items():
                 message = "do you want to remove UDF '%s'? [Y/n] " % udf
-                output = readInput(message, default="Y")
 
-                if not output or output in ("y", "Y"):
+                if readInput(message, default='Y', boolean=True):
                     dropStr = "DROP FUNCTION %s" % udf
 
                     if Backend.isDbms(DBMS.PGSQL):
diff --git a/plugins/generic/search.py b/plugins/generic/search.py
index 840e25c69..ccddb2848 100644
--- a/plugins/generic/search.py
+++ b/plugins/generic/search.py
@@ -146,18 +146,18 @@ class Search:
 
         if bruteForce:
             message = "do you want to use common table existence check? %s" % ("[Y/n/q]" if Backend.getIdentifiedDbms() in (DBMS.ACCESS,) else "[y/N/q]")
-            test = readInput(message, default="Y" if "Y" in message else "N")
+            choice = readInput(message, default='Y' if 'Y' in message else 'N').strip().upper()
 
-            if test[0] in ("n", "N"):
-                return
-            elif test[0] in ("q", "Q"):
+            if choice == 'N':
+                pass
+            elif choice == 'Q':
                 raise SqlmapUserQuitException
             else:
-                regex = "|".join(conf.tbl.split(","))
+                regex = '|'.join(conf.tbl.split(','))
                 return tableExists(paths.COMMON_TABLES, regex)
 
         foundTbls = {}
-        tblList = conf.tbl.split(",")
+        tblList = conf.tbl.split(',')
         rootQuery = queries[Backend.getIdentifiedDbms()].search_table
         tblCond = rootQuery.inband.condition
         dbCond = rootQuery.inband.condition2
@@ -171,7 +171,7 @@ class Search:
                 tbl = tbl.upper()
 
             infoMsg = "searching table"
-            if tblConsider == "1":
+            if tblConsider == '1':
                 infoMsg += "s LIKE"
             infoMsg += " '%s'" % unsafeSQLIdentificatorNaming(tbl)
 
@@ -345,20 +345,19 @@ class Search:
 
         if bruteForce:
             message = "do you want to use common column existence check? %s" % ("[Y/n/q]" if Backend.getIdentifiedDbms() in (DBMS.ACCESS,) else "[y/N/q]")
-            test = readInput(message, default="Y" if "Y" in message else "N")
+            choice = readInput(message, default='Y' if 'Y' in message else 'N').upper()
 
-            if test[0] in ("n", "N"):
+            if choice == 'N':
                 return
-            elif test[0] in ("q", "Q"):
+            elif choice == 'Q':
                 raise SqlmapUserQuitException
             else:
                 regex = '|'.join(conf.col.split(','))
                 conf.dumper.dbTableColumns(columnExists(paths.COMMON_COLUMNS, regex))
 
                 message = "do you want to dump entries? [Y/n] "
-                output = readInput(message, default="Y")
 
-                if output and output[0] not in ("n", "N"):
+                if readInput(message, default='Y', boolean=True):
                     self.dumpAll()
 
                 return
diff --git a/plugins/generic/takeover.py b/plugins/generic/takeover.py
index fc808cdd5..00761cc1a 100644
--- a/plugins/generic/takeover.py
+++ b/plugins/generic/takeover.py
@@ -336,11 +336,8 @@ class Takeover(Abstraction, Metasploit, ICMPsh, Registry, Miscellaneous):
 
         msg = "this technique is likely to DoS the DBMS process, are you "
         msg += "sure that you want to carry with the exploit? [y/N] "
-        choice = readInput(msg, default="N")
 
-        dos = choice and choice[0].lower() == "y"
-
-        if dos:
+        if readInput(msg, default='N', boolean=True):
             self.initEnv(mandatory=False, detailed=True)
             self.getRemoteTempPath()
             self.createMsfShellcode(exitfunc="seh", format="raw", extra="-b 27", encode=True)
diff --git a/plugins/generic/users.py b/plugins/generic/users.py
index f18440909..cbc7d8062 100644
--- a/plugins/generic/users.py
+++ b/plugins/generic/users.py
@@ -319,11 +319,11 @@ class Users:
 
             message = "do you want to perform a dictionary-based attack "
             message += "against retrieved password hashes? [Y/n/q]"
-            test = readInput(message, default="Y")
+            choice = readInput(message, default='Y').strip().upper()
 
-            if test[0] in ("n", "N"):
+            if choice == 'N':
                 pass
-            elif test[0] in ("q", "Q"):
+            elif choice == 'Q':
                 raise SqlmapUserQuitException
             else:
                 attackCachedUsersPasswords()
@@ -345,7 +345,7 @@ class Users:
             conf.user = conf.user.upper()
 
         if conf.user:
-            users = conf.user.split(",")
+            users = conf.user.split(',')
 
             if Backend.isDbms(DBMS.MYSQL):
                 for user in users:
diff --git a/txt/checksum.md5 b/txt/checksum.md5
index 76be6dd71..99532a193 100644
--- a/txt/checksum.md5
+++ b/txt/checksum.md5
@@ -21,13 +21,13 @@ c55b400b72acc43e0e59c87dd8bb8d75  extra/shellcodeexec/windows/shellcodeexec.x32.
 310efc965c862cfbd7b0da5150a5ad36  extra/sqlharvest/__init__.py
 7713aa366c983cdf1f3dbaa7383ea9e1  extra/sqlharvest/sqlharvest.py
 7afe836fd97271ccba67b4c0da2482ff  lib/controller/action.py
-9cb94acd4c59822a5e1a258c4d1a4860  lib/controller/checks.py
-8bf4fde39867b94600f61dc7fddcf3b0  lib/controller/controller.py
+21c79cf1a79b61c6d90f9bd249f71584  lib/controller/checks.py
+fc89abe14a48b8232feba692bde992be  lib/controller/controller.py
 52a3969f57170e935e3fc0156335bf2c  lib/controller/handler.py
 310efc965c862cfbd7b0da5150a5ad36  lib/controller/__init__.py
 5c4cddb0016d02a57bd1b05b3fc60c54  lib/core/agent.py
 6cc95a117fbd34ef31b9aa25520f0e31  lib/core/bigarray.py
-1fa78f8104a2b39e87c19cb20e8eab72  lib/core/common.py
+96da6283da447e98a7592d6ee59b50dd  lib/core/common.py
 5065a4242a8cccf72f91e22e1007ae63  lib/core/convert.py
 a8143dab9d3a27490f7d49b6b29ea530  lib/core/data.py
 7936d78b1a7f1f008ff92bf2f88574ba  lib/core/datatype.py
@@ -40,18 +40,18 @@ b9ff4e622c416116bee6024c0f050349  lib/core/enums.py
 310efc965c862cfbd7b0da5150a5ad36  lib/core/__init__.py
 9ba39bf66e9ecd469446bdbbeda906c3  lib/core/log.py
 ebb778c2d26eba8b34d7d8658e4105a6  lib/core/optiondict.py
-dd19b4d930d418f8aef498941346ab2d  lib/core/option.py
+abc734ff83c51edce23ef446b7ee9c4a  lib/core/option.py
 5f2f56e6c5f274408df61943f1e080c0  lib/core/profiling.py
 40be71cd774662a7b420caeb7051e7d5  lib/core/readlineng.py
 d8e9250f3775119df07e9070eddccd16  lib/core/replication.py
 785f86e3f963fa3798f84286a4e83ff2  lib/core/revision.py
 40c80b28b3a5819b737a5a17d4565ae9  lib/core/session.py
-44b7c1ae1471b223e97e5b741ae725a2  lib/core/settings.py
+7dde58404c57c693f426a3466111f2eb  lib/core/settings.py
 d91291997d2bd2f6028aaf371bf1d3b6  lib/core/shell.py
 2ad85c130cc5f2b3701ea85c2f6bbf20  lib/core/subprocessng.py
-2571146b71f487a3d11867746c033e40  lib/core/target.py
+92e35ddfdf0e9676dd51565bcf4fa5cf  lib/core/target.py
 8970b88627902239d695280b1160e16c  lib/core/testing.py
-ccea8b6dd69f3012b1262659bb4018d3  lib/core/threads.py
+52f2ec61f7df0c4f66452ad14b4ee525  lib/core/threads.py
 ad74fc58fc7214802fd27067bce18dd2  lib/core/unescaper.py
 1f1fa616b5b19308d78c610ec8046399  lib/core/update.py
 4d13ed693401a498b6d073a2a494bd83  lib/core/wordlist.py
@@ -64,47 +64,47 @@ aa89ea0c7c44eb74eaaeeccaddc94d39  lib/parse/cmdline.py
 165dc27660c8559318009d44354f27cb  lib/parse/html.py
 310efc965c862cfbd7b0da5150a5ad36  lib/parse/__init__.py
 0b010b7cdb2e42b5aa0caa59607279ad  lib/parse/payloads.py
-a0444cc351cd6d29015ad16d9eb46ff4  lib/parse/sitemap.py
+997d0452e6fc22411f81a334511bcb3d  lib/parse/sitemap.py
 403d873f1d2fd0c7f73d83f104e41850  lib/request/basicauthhandler.py
-0035612a620934d7ebe6d18426cfb065  lib/request/basic.py
+aa8abda6eab79646b1759c0653925328  lib/request/basic.py
 ef48de622b0a6b4a71df64b0d2785ef8  lib/request/comparison.py
-6c7aef40c0ef539a920592d97cae56b3  lib/request/connect.py
+95363c8973208dd95295a23acc9674bc  lib/request/connect.py
 fb6b788d0016ab4ec5e5f661f0f702ad  lib/request/direct.py
 cc1163d38e9b7ee5db2adac6784c02bb  lib/request/dns.py
 5dcdb37823a0b5eff65cd1018bcf09e4  lib/request/httpshandler.py
 310efc965c862cfbd7b0da5150a5ad36  lib/request/__init__.py
-e68e1f00c7bb47b2c4ea6201995c56fb  lib/request/inject.py
+27abed3fa36e256508eeeea0b0bf4458  lib/request/inject.py
 dc1e0af84ee8eb421797d61c8cb8f172  lib/request/methodrequest.py
 bb9c165b050f7696b089b96b5947fac3  lib/request/pkihandler.py
 602d4338a9fceaaee40c601410d8ac0b  lib/request/rangehandler.py
-b581e0c5e27cd927883f2c7f1705bf4e  lib/request/redirecthandler.py
+40719fa09d3d82b36badf981a8dc175c  lib/request/redirecthandler.py
 20a0e6dac2edcf98fa8c47ee9a332c28  lib/request/templates.py
-36518b36ae0cf199490457916a85b367  lib/takeover/abstraction.py
+992a02767d12254784f15501a7ab8dd8  lib/takeover/abstraction.py
 c6bc7961a186baabe0a9f5b7e0d8974b  lib/takeover/icmpsh.py
 310efc965c862cfbd7b0da5150a5ad36  lib/takeover/__init__.py
 c90c993b020a6ae0f0e497fd84f37466  lib/takeover/metasploit.py
 ac541a0d38e4ecb4e41e97799a7235f4  lib/takeover/registry.py
-4cd0322f22fbc26284cffa9f8f7545ef  lib/takeover/udf.py
-affad1bb6be45ebed882a02773d08473  lib/takeover/web.py
-e5a82481947e798d0c11f3acf3e9db60  lib/takeover/xp_cmdshell.py
+6574edede6a96bbfa281e99dce3fecf9  lib/takeover/udf.py
+e7f3012f4f9e822d39eabd934d050b0e  lib/takeover/web.py
+604b087dc52dbcb4c3938ad1bf63829c  lib/takeover/xp_cmdshell.py
 9f03972ea5ce2df74d43be5f30f068eb  lib/techniques/blind/inference.py
 310efc965c862cfbd7b0da5150a5ad36  lib/techniques/blind/__init__.py
 310efc965c862cfbd7b0da5150a5ad36  lib/techniques/dns/__init__.py
 ab1601a7f429b47637c4fb8af703d0f1  lib/techniques/dns/test.py
 d3da4c7ceaf57c4687a052d58722f6bb  lib/techniques/dns/use.py
 310efc965c862cfbd7b0da5150a5ad36  lib/techniques/error/__init__.py
-be752c8075641bc390368c9955f34c91  lib/techniques/error/use.py
+18a23760ee5f83ab671b70be6ca3bcdb  lib/techniques/error/use.py
 310efc965c862cfbd7b0da5150a5ad36  lib/techniques/__init__.py
 310efc965c862cfbd7b0da5150a5ad36  lib/techniques/union/__init__.py
-19fd73af7a278fd72b46a5a60f5bdd09  lib/techniques/union/test.py
+211e6dc49af6ad6bd3590d16d41e86db  lib/techniques/union/test.py
 c2bf28aab749b0de30bfdeea6d09449f  lib/techniques/union/use.py
 67f0ad96ec2207d7e59c788b858afd6d  lib/utils/api.py
-ac3a32b7a84517730fa2885f4e8721ba  lib/utils/brute.py
-c42203069fef3b326b42b464f3aa60d3  lib/utils/crawler.py
+600cbc772943f915b2d5ce6193fdff0b  lib/utils/brute.py
+2b6c7f906e5da25bcd8865c1f86a1dfb  lib/utils/crawler.py
 ba12c69a90061aa14d848b8396e79191  lib/utils/deps.py
 3b9fd519164e0bf275d5fd361c3f11ff  lib/utils/getch.py
 ccfdad414ce2ec0c394c3deaa39a82bf  lib/utils/hashdb.py
-712ef6a703c9101690b9177b09a31b4c  lib/utils/hash.py
+b36465bd2a1f18e2cd97ced492f91f1f  lib/utils/hash.py
 e76a08237ee6a4cd6855af79610ea8a5  lib/utils/htmlentities.py
 310efc965c862cfbd7b0da5150a5ad36  lib/utils/__init__.py
 9d8c858417d356e49e1959ba253aede4  lib/utils/pivotdumptable.py
@@ -152,7 +152,7 @@ f06d263b2c9b52ea7a120593eb5806c4  plugins/dbms/informix/fingerprint.py
 744fb5044f2b9f9d5ebda6e3f08e3be7  plugins/dbms/informix/takeover.py
 310efc965c862cfbd7b0da5150a5ad36  plugins/dbms/__init__.py
 e50b624ff23c3e180d80e065deb1763f  plugins/dbms/maxdb/connector.py
-053aaccacb4b750472d99e5bdec62414  plugins/dbms/maxdb/enumeration.py
+570ec8c20ef01d99bf23f42e32993b16  plugins/dbms/maxdb/enumeration.py
 815ea8e7b9bd714d73d9d6c454aff774  plugins/dbms/maxdb/filesystem.py
 017c723354eff28188773670d3837c01  plugins/dbms/maxdb/fingerprint.py
 c03001c1f70e76de39d26241dfcbd033  plugins/dbms/maxdb/__init__.py
@@ -160,7 +160,7 @@ e6036f5b2e39aec37ba036a8cf0efd6f  plugins/dbms/maxdb/syntax.py
 0be362015605e26551e5d79cc83ed466  plugins/dbms/maxdb/takeover.py
 e3e78fab9b5eb97867699f0b20e59b62  plugins/dbms/mssqlserver/connector.py
 16daf973fc7a988c3bf52435b759ff4e  plugins/dbms/mssqlserver/enumeration.py
-8554437c437052c30237be170ba8ce3a  plugins/dbms/mssqlserver/filesystem.py
+5de6074ee2f7dc5b04b70307d36dbe1d  plugins/dbms/mssqlserver/filesystem.py
 13cb15e8abfb05818e6f66c687b78664  plugins/dbms/mssqlserver/fingerprint.py
 40bd890988f9acd3942255d687445371  plugins/dbms/mssqlserver/__init__.py
 400ce654ff6bc57a40fb291322a18282  plugins/dbms/mssqlserver/syntax.py
@@ -194,7 +194,7 @@ ee430d142fa8f9ee571578d0a0916679  plugins/dbms/sqlite/fingerprint.py
 4827722159a89652005f49265bb55c43  plugins/dbms/sqlite/syntax.py
 02ab8ff465da9dd31ffe6a963c676180  plugins/dbms/sqlite/takeover.py
 e3e78fab9b5eb97867699f0b20e59b62  plugins/dbms/sybase/connector.py
-96698f6e6d8e9ab2020f6a0cf41255c4  plugins/dbms/sybase/enumeration.py
+6bb1c376160bb0955c1f800684c83ad2  plugins/dbms/sybase/enumeration.py
 62d772c7cd08275e3503304ba90c4e8a  plugins/dbms/sybase/filesystem.py
 deed74334b637767fc9de8f74b37647a  plugins/dbms/sybase/fingerprint.py
 45436a42c2bb8075e1482a950d993d55  plugins/dbms/sybase/__init__.py
@@ -202,17 +202,17 @@ deed74334b637767fc9de8f74b37647a  plugins/dbms/sybase/fingerprint.py
 654cd5e69cf5e5c644bfa5d284e61206  plugins/dbms/sybase/takeover.py
 be7481a96214220bcd8f51ca00239bed  plugins/generic/connector.py
 5390591ca955036d492de11355b52e8f  plugins/generic/custom.py
-944b900e7e94a478352055d15dbddfed  plugins/generic/databases.py
-f7387352380136ac05c0bc3decb85638  plugins/generic/entries.py
+49236f38b3117b6431c6a6fd35295493  plugins/generic/databases.py
+2915f49246e393c038828a73925d153c  plugins/generic/entries.py
 55802d1d5d65938414c77ccc27731cab  plugins/generic/enumeration.py
-bc32b21a3ab5421b5307ff7317256229  plugins/generic/filesystem.py
+2acc2365955c0dd4cce67ab56d11baa5  plugins/generic/filesystem.py
 feca57a968c528a2fe3ccafbc83a17f8  plugins/generic/fingerprint.py
 310efc965c862cfbd7b0da5150a5ad36  plugins/generic/__init__.py
-8fd5913823e97e21a8eea717cd12fc96  plugins/generic/misc.py
-43dc0abb3b1ac9eb75e1f8512f95b80e  plugins/generic/search.py
+6f2d127df31ca068925f614edd1ec858  plugins/generic/misc.py
+5f4d46dbfae314cbd7c14ce8f424779d  plugins/generic/search.py
 562cfa80a15d5f7f1d52e10c5736d7e2  plugins/generic/syntax.py
-25cc2788cc3da6f8a0bcff0e41ff586e  plugins/generic/takeover.py
-02c8da99874f1cfd869d9e3bbb7c84e6  plugins/generic/users.py
+3f520f49811197f24a3f223fc995028a  plugins/generic/takeover.py
+ed88840a88e761c9815bec530a90aa95  plugins/generic/users.py
 310efc965c862cfbd7b0da5150a5ad36  plugins/__init__.py
 b04db3e861edde1f9dd0a3850d5b96c8  shell/backdoor.asp_
 158bfa168128393dde8d6ed11fe9a1b8  shell/backdoor.aspx_