Topics

• Packages and modules
• True and false
• Subroutines
• Variables
• Reading a file's content into a variable
• Pack and unpack
• Strings and quoting methods
• Perl one-liners
• Unicode
• Memory usage optimization
• Sorting

Examples

• Loading a module at runtime
• Using a module
• List of true and false values
• Creating subroutines
• Hashes
• The manual way
• Path::Tiny
• File::Slurper
• File::Slurp
• Double-quoting
• Subroutine arguments are passed by reference (except those in signatures)
• Execute some Perl code from command line
• File handles
• The utf8 pragma: using Unicode in your sources
• Constructing an IPv4 header
• Reading files: foreach vs. while
• Processing long lists
• Basic Lexical Sort
• Numeric Sort
• Reverse Sort
• The Schwartzian Transform
• Case Insensitive Sort