TLDR
Enter a command. For example: rsync, qemu, is up, nohup, kube fzf.

shellcheck

 
Shell script static analysis tool. Check shell scripts for errors, usage of deprecated/insecure features, and bad practices. More information: https://www.shellcheck.net.
 
  • Check a shell script:
     
    shellcheck {{path/to/script.sh}}
     
  • Check a shell script interpreting it as the specified shell dialect (overrides the shebang at the top of the script):
     
    shellcheck --shell {{sh|bash|dash|ksh}} {{path/to/script.sh}}
     
  • Ignore one or more error types:
     
    shellcheck --exclude {{SC1009,SC1073}} {{path/to/script.sh}}
     
  • Also check any sourced shell scripts:
     
    shellcheck --checked-sourced {{path/to/script.sh}}
     
  • Display output in the specified format (defaults to tty):
     
    shellcheck --format {{tty|checkstyle|diff|gcc|json|json1|quiet}} {{path/to/script.sh}}
     
  • Enable one or more optional checks:
     
    shellcheck --enable={{add-default-case|avoid-nullary-conditions}}
     
  • List all available optional checks that are disabled by default:
     
    shellcheck --list-optional

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