# Completion for gpg(1) with long options _gpg() { # Bail if no gpg(1) hash gpg 2>/dev/null || return # Bail if not completing an option case $2 in --*) ;; *) return 1 ;; esac # Generate completion reply from gpg(1) options local option while read -r option ; do case $option in "$2"*) COMPREPLY[${#COMPREPLY[@]}]=$option ;; esac done < <(gpg --dump-options 2>/dev/null) } complete -F _gpg -o bashdefault -o default gpg