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• Unix and DOS commands - video

• Converting indirect calls

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

• Eliminating indirect method calls

• Special Literals: __SUB__

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

• Exploring BDD in Perl - using Test::BDD::Cucumber - part 5 - with Erik Hülsmann

• Loop controls: next last - video

• Makefile.PL of ExtUtils::MakeMaker

• MetaCPAN URLs and Issues

• Tools to package Perl scripts, modules, and applications

• True False - video

• Using GitHub Actions (CI) to locate missing test dependencies in Dist::Zilla::PERLSRVDE

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

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

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

• lstat

• Levels of security using (R)?ex

• undef - defined - true -false

• Indexing e-mails in an mbox