_write_module() { local cur prev COMPREPLY=() cur="${COMP_WORDS[COMP_CWORD]}" prev="${COMP_WORDS[COMP_CWORD-1]}" case $prev in '-h'|'--help'|'-V'|'--version') return 0 ;; esac case $COMP_CWORD in 1) COMPREPLY=( $(compgen -u -- $cur) ) return 0 ;; 2) local I TERMS='' for I in /sys/class/tty/*; do TERMS+="/dev${I##/sys/class/tty} " done COMPREPLY=( $(compgen -W "$TERMS" -- $cur) ) return 0 ;; esac return 0 } complete -F _write_module write