tldr/pages/common/[.md

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Check file types and compare values. Returns 0 if the condition evaluates to true, 1 if it evaluates to false. More information: https://www.gnu.org/software/coreutils/test.

  • Test if a given variable is equal to a given string:

[ "{{$VARIABLE}}" == "{{/bin/zsh}}" ]

  • Test if a given variable is empty:

[ -z "{{$GIT_BRANCH}}" ]

  • Test if a file exists:

[ -f "{{path/to/file}}" ]

  • Test if a directory does not exist:

[ ! -d "{{path/to/directory}}" ]

  • If-else statement:

[ {{condition}} ] && {{echo "true"}} || {{echo "false"}}