1001
Error prone
Warning
This \\N will be a regular 'N' in this context.
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Shell rules
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1003
Error prone
Warning
Want to escape a single quote? echo 'This is how it'\\''s done'.
1004
Error prone
Warning
This backslash+linefeed is literal. Break outside single quotes if you just want to break the line.
1009
Error prone
Warning
The mentioned syntax error was in this elif clause.
1079
Error prone
Warning
This is actually an end quote
1091
Error prone
Warning
Not following: /etc/os-release was not specified as input (see shellcheck -x).
2009
Error prone
Warning
Consider using pgrep instead of grepping ps output.
2014
Error prone
Warning
This will expand once before find runs
2015
Error prone
Warning
Note that A && B || C is not if-then-else. C may run when A is true.
2017
Error prone
Warning
Increase precision by replacing a/b*c with a*c/b.
2018
Error prone
Warning
Use '[:lower:]' to support accents and foreign alphabets.
2019
Error prone
Warning
Use '[:upper:]' to support accents and foreign alphabets.
2020
Error prone
Warning
tr replaces sets of chars
2021
Error prone
Warning
Don't use [] around classes in tr
2022
Error prone
Warning
Note that unlike globs
2023
Error prone
Warning
The shell may override 'time' as seen in man time(1). Use 'command time ..' for that one.
2026
Error prone
Warning
This word is outside of quotes. Did you intend to 'nest ''single quotes'"' instead'? "
2028
Error prone
Warning
echo won't expand escape sequences. Consider printf.
2029
Error prone
Warning
Expansion on the client side
2030
Error prone
Warning
Modification of RSYSLOG\_VERSION is local (to subshell caused by pipeline).
2031
Error prone
Warning
RSYSLOG\_VERSION was modified in a subshell. That change might be lost.
2032
Error prone
Warning
Use own script or sh -c '..' to run this from sudo.
2102
Error prone
Warning
Ranges can only match single chars (mentioned due to duplicates).
2166
Error prone
Warning
Prefer [ p ] || [ q ] as [ p -o q ] is not well defined.
2197
Error prone
Warning
fgrep is non-standard and deprecated. Use grep -F instead.
2254
Best practice
Warning
Quote expansions in case patterns to match literally rather than as a glob
1133
Code style
Warning
Unexpected start of line. If breaking lines, |/||/&& should be at the end of the previous one.
1112
Error prone
Warning
This is a unicode quote. Delete and retype it (or ignore/doublequote for literal).
2218
Error prone
Warning
This function is only defined later. Move the definition up.
2238
Best practice
Warning
Redirecting to/from command name instead of file. Did you want pipes/xargs (or quote to ignore)?
2229
Error prone
Warning
This does not read foo. Remove $/${} for that, or use ${var?} to quiet
2065
Error prone
Warning
This is interpreted as a shell file redirection, not a comparison
1130
Code style
Warning
Need a space before :
2227
Error prone
Warning
Redirection applies to the find command itself.
2170
Error prone
Warning
Invalid number for -eq. Use = to compare as string