This is Perl module Getopt::Compact::WithCmd. INSTALLATION Getopt::Compact::WithCmd installation is straightforward. If your CPAN shell is set up, you should just be able to do % cpan Getopt::Compact::WithCmd Download it, unpack it, then build it as per the usual: % perl Makefile.PL % make && make test Then install it: % make install DOCUMENTATION Getopt::Compact::WithCmd documentation is available as in POD. So you can do: % perldoc Getopt::Compact::WithCmd to read the documentation online with your favorite pager. xaicron