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

• Short Circuit - video

• Statement modifiers: reversed if statements

• Switch-Case statement in Perl 5

• The 'if' statement - video

• How to get the index of specific element (value) of an array?

• Skip tests if prerequisites are not installed

• Solution: Hello World part 2 (what is the difference between comment and POD?) - video

• Virtualenv in Perl 5 - install 2 different versions of the same module

• Stringification in classic Perl OOP

• Shift Operators

• File modify date - When was a file last changed?

• /x modifier for verbose regexes - video

• shift in Perl

• Web Scraping TED - information about a specific talk

• Quantifiers - video

• How to check if a child process is still running in Perl?

• Manipulating Perl arrays: shift, unshift, push, pop

• shift and unshift - video

• unshift