gpg-zip --version (return code: 0)
gpg-zip (GnuPG) 1.4.20
gpg-zip --help (return code: 0)
Usage: gpg-zip [--help] [--version] [--encrypt] [--decrypt] [--symmetric]
[--list-archive] [--output FILE] [--gpg GPG] [--gpg-args ARGS]
[--tar TAR] [--tar-args ARGS] filename1 [filename2, ...]
directory1 [directory2, ...]
Encrypt or sign files into an archive.