... iii Mastering Algorithms with Perl Jon Orwant, Jarkko Hietaniemi,and John MacdonaldPage iv Mastering Algorithms with Perl by Jon Orwant, Jarkko Hietaniemi. and John MacdonaldCopyright © 1999 ... "think algorithms& quot;—how to design and analyze programsthat solve problems. We'll start with a gentle introduction to algorithms and a not-so-gentleintroduction to Perl, then consider ... addition to the Perl language in Perl 5 is references, their use is describedin the perlref documentation bundled with Perl. A reference is a scalar value (thus, allreferences begin with a $) whose...