unpack200 --version (return code: 0)
unpack200 version 1.30, 07/05/05
unpack200 --help (return code: 1)
Usage: unpack200 [-opt... | --option=value]... x.pack[.gz] y.jar
Unpacking Options
-H{h}, --deflate-hint={h} override transmitted deflate hint: true, false, or keep (default)
-r, --remove-pack-file remove input file after unpacking
-v, --verbose increase program verbosity
-q, --quiet set verbosity to lowest level
-l{F}, --log-file={F} output to the given log file, or '-' for standard output (default)
-?, -h, --help print this message
-V, --version print program version
-J{X} Java VM argument (ignored)