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