SC1057 – ShellCheck Wiki

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Did you forget the do for this loop?

Problematic code:

while read -r line
  echo $line
done

Correct code:

while read -r line
do
  echo $line
done

Rationale:

ShellCheck found a loop that appears to be missing its do statement. Make sure the loop syntax is correct.

Exceptions:

None.

Related resources:

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

ShellCheck is a static analysis tool for shell scripts. This page is part of its documentation.