To install App::perlmv::scriptlet::add_extension_according_to_mime_type, copy and paste the appropriate command in to your terminal.
cpanm
cpanm App::perlmv::scriptlet::add_extension_according_to_mime_type
CPAN shell
perl -MCPAN -e shell install App::perlmv::scriptlet::add_extension_according_to_mime_type
For more information on module installation, please visit the detailed CPAN module installation guide.