_mycompletion() { local command_name="$1" # not used in this example local current_word="$2" local previous_word="$3" # not used in this example # COMPREPLY is an array which has to be filled with the possible completions # compgen is used to filter matching completions COMPREPLY=( $(compgen -W 'hello world' -- "$current_word") ) } complete -F _mycompletion mycommand
用法示例:
$ mycommand [TAB][TAB] hello world $ mycommand h[TAB][TAB] $ mycommand hello