function __fish_complete_group_ids --description "Complete group IDs with group name as description" if command -sq getent getent group | string replace -f -r '^([[:alpha:]_][^:]*):[^:]*:(\d+).*' '$2\t$1' else if test -r /etc/group string replace -f -r '^([[:alpha:]_][^:]*):[^:]*:(\d+).*' '$2\t$1' </etc/group end end