The Perl Toolchain Summit needs more sponsors. If your company depends on Perl, please support this very important event.
docs: |
    See L<Digest::MD5> which provides a number of functions for computing
    MD5 hashes from various sources and to various formats.

    Note: the user notes for this function at http://www.php.net/md5 are
    among the most unintentionally funny and misinformed I've read.