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2 SC1080
Joachim Ansorg edited this page 2022-10-31 15:12:03 +01:00
Table of Contents

You need \ before line feeds to break lines in [ ].

Problematic code:

[ "$filename" =
  "$otherfile" ]

Correct code:

[ "$filename" = \
  "$otherfile" ]

Rationale:

Bash/ksh [[ ]]] can include line breaks anywhere, but [ ] requires that you escape them. If you are writing a multi-line [ .. ] statement, make sure to include these escapes. If the [ ] is supposed to be on a single line, make sure the ] is there.

Exceptions:

None

Related resources:

  • Help by adding links to BashFAQ, StackOverflow, man pages, POSIX, etc!

ShellCheck

Each individual ShellCheck warning has its own wiki page like SC1000. Use GitHub Wiki's "Pages" feature above to find a specific one, or see Checks.