Inline.pm is a Perl module that lets you easily bind various ProgrammingLanguage''''''s to PerlLanguage. Just write a plain old Perl script, but write some of the subroutines in CeeLanguage, some in JavaLanguage and CeePlusPlus, some more in RubyLanguage or PythonLanguage, and a couple in AssemblyLanguage and BrainfuckLanguage for good measure. Then simply run the Perl script like normal.

* http://www.vendian.org/mncharity/dir3/inline/
* http://search.cpan.org/dist/Inline/

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''Can I write a C++ module and easily plop some Perl inside it?''
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CategoryPerl