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• Unix and DOS commands - video

• Special Literals: __PACKAGE__

• Makefile.PL of ExtUtils::MakeMaker

• Tools to package Perl scripts, modules, and applications

• Conditional statements, using if, else, elsif in Perl

• Eliminating indirect method calls

• MetaCPAN URLs and Issues

• Converting indirect calls

• Does the 'all' function of List::MoreUtils really short-circuit?

• The 19 most important file-system tools in Perl 5

• Indexing e-mails in an mbox

• Levels of security using (R)?ex

• Memoization - speeding up function calls by caching of return values

• 3: Dave Rolsky, author of DateTime and tons of other modules

• Loop controls: next last - video

• Loop controls: next, last, continue, break

• Add test coverage reporting with Coveralls to Markua Parser in Perl

• undef - defined - true -false

• $a - $b - Special variables when using sort(). Don't use them for anything else besides your sort function!

• Gory details of parsing quoted constructs