ShellCheck codes I've handled

• APOSTROPHE_IN_SINGLE_QUOTES: 1011
• AMP_SEMI: 1045
• BRACKETED_IF: 1014
• BS_TRAILING_SPACE: 1101
• C_LIKE_COMMENT: 1127
• COMMENTED_BS_LF: 1143
• COMPARATOR_IN_MATH: 1106
• COND_BRACKET_MISMATCH: 1033/1034
• ELIF_LIKE: 1131
• EMPTY_BLOCK: 1055
• FORWARD_TICKED_CMD: 1077
• HTML_ENTITY: 1109
• IGNORING_BS: 1001
• LITERAL_CR: 1017
• LITERAL_CURLY: 1083
• LITERAL_KEYWORD: 1010
• MATH_IN_TEST: 1076
• MISSING_SPACE: 1035, 1054, 1069, 1099, 1129, 1130
• MISUSED_EQEQ: 1097
• NESTED_ARR: 1116
• OUTER_FLAG_OP: 1139
• SPACE_AFTER_EQ: 1007
• STARTING_CONTROL: 1133
• SUS_CHAR_AFTER_QUOTE: 1079
• SUS_POST_COND: 1140
• TEST_GROUP: 1026
• THEN_SEMI: 1051/1052
• TRAILING_BIN_OP: 1108
• UNBRACED_INDEX: 1087
• UNBRACED_POSITIONAL: 1037
• UNCLOSED_STRING: 1078
• UNESCAPED_COND_GROUP: 1028
• UNNECESSARY_COND_GROUP_ESCAPE: 1029
• UNESCAPED_DOLLAR: 1135
• UNESCAPED_SINGLE_QUOTE: 1003
• UNESCAPED_TEST_LF: 1080
• UNESCAPED_WHITESPACE: 1012
• UNICHAR: 1018, 1100, 1110, 1111, 1112
• UNSPACED_AMP: 1132

• UNSPECIAL_ESCAPE: 1117

• Expected fi: 1046/1047

• Expected then: 1049/1050
• Invalid paren before word segment: 1036
• Keywords should be lower-cased: 1081
• Leading $ in assignments: 1066
• Missing argument in test unary expression: 1019
• Missing closing } in brace groups: 1056
• Missing space before \): 1021
  • This actually cannot happen with the current implementation.
• Missing space before ]/]]: 1020
• Missing 2nd argument in test binary expression: 1027
• Unescaped ( in eval command: 1098