complete -c zcat -x -a "( __fish_complete_suffix (commandline -ct) .gz 'Compressed file' __fish_complete_suffix (commandline -ct) .tgz 'Compressed archive' ) " complete -c zcat -s f -l force -d (N_ "Overwrite") complete -c zcat -s h -l help -d (N_ "Display help and exit") complete -c zcat -s L -l license -d (N_ "Print license") complete -c zcat -s V -l version -d (N_ "Display version and exit")