SHELL SCRIPTING

PRIMARY CATEGORY → SCRIPTING

SHELLS

• 
  • BASH

$ export -- EDITOR=nvim
$ C-x C-e

foo(){
        local -a -- _shells=()
        local -- IFS=: _shell=
 
        while IFS= read -r _shell
        do
                [[ $_shell == *sh ]] || continue
 
                _shells+=("${_shell##*/}")
 
        done < /etc/shells
 
        printf "%s\n" "${_shells[*]}"
}

$ foo
sh:bash:bash:rbash:rbash:sh:dash:dash

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• 
  • POSIX