tldr/pages/common/test.md

597 B

test

Evaluate condition. Returns 0 if the condition evaluates to true, 1 if it evaluates to false. More information: https://www.gnu.org/software/coreutils/manual/html_node/test-invocation.html.

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

test "{{$MY_VAR}}" == "{{/bin/zsh}}"

  • Test if a given variable is empty:

test -z "{{$GIT_BRANCH}}"

  • Test if a file exists:

test -f "{{path/to/file_or_directory}}"

  • Test if a directory does not exist:

test ! -d "{{path/to/directory}}"

  • If-else statement:

test {{condition}} && {{echo "true"}} || {{echo "false"}}