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• Numerical Operators - video

• Numerical operators

• Parse bulleted list in Markua

• Regex character classes

• The Ternary operator - video

• Dumping a hash - video

• Here documents, or how to create multi-line strings in Perl

• Perl split - to cut up a string into pieces

• Compare Values - video

• Comparison Operators - video

• Open file all - video

• Write to file - video

• -C

• Operations on value-pairs in Perl

• Short-circuit in boolean expressions

• sort - video

• The Hash-bang line, or how to make a Perl scripts executable on Linux

• Array indexes (screencast) - video

• Array indexes - video

• Regex - Regular Expressions in Perl 5