function __fish_md5 if type -q md5sum # GNU systems if set -q argv[2] if test $argv[1] = -s echo $argv[2] | md5sum | string split ' ' -f 1 else printf (_ "%s: Too many arguments %s\n") fish_md5 $argv >&2 end else md5sum $argv[1] | string split ' ' -f 1 end return 0 else if type -q md5 # BSD systems if set -q argv[2] if test $argv[1] = -s md5 -s $argv[2] else printf (_ "%s: Too many arguments %s\n") fish_md5 $argv >&2 end else md5 -q $argv[1] end return 0 end return 1 end