TLDR Search

Enter a command. For example: mp4box, zdb, openssl req, pve firewall.

test

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:
   
  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"}}