Perl::Critic::Policy::TestingAndDebugging::MisplacedShebang
Make sure that the shebang line occurs on the first line of the file.
To install Parrot::Op, copy and paste the appropriate command in to your terminal.
cpanm
cpanm Parrot::Op
CPAN shell
perl -MCPAN -e shell install Parrot::Op
For more information on module installation, please visit the detailed CPAN module installation guide.