Topics

• Getting started with Bash
• Getting started with Perl Language
• Using cat
• Packages and modules
• Functions
• True and false
• Subroutines
• Inserting text
• Debug Output
• File I/O (reading and writing files)
• Manipulating text
• Reading a file's content into a variable
• Strings and quoting methods
• Install Perl modules via CPAN
• Lists
• Control Statements
• Org-mode
• Navigating directories
• Comments
• Randomness

Examples

• Hello World Using Variables
• Getting started with Perl
• List of true and false values
• Creating subroutines
• Different ways to get into insert mode
• Reading from a file
• Path::Tiny
• Using a module inside a directory
• Incrementing and decrementing numbers and alphabetical characters
• Removing trailing newlines
• Subroutine arguments are passed by reference (except those in signatures)
• Run Perl CPAN in your terminal (Mac and Linux) or command prompt (Windows)
• Slurping a file into an array variable
• Write to a file
• Assigning a list to a hash
• Opening A FileHandle for Reading
• Hello World with User Input
• Loops
• Disable auto-indent to paste code
• Reading from and writing to a file
• "use autodie" and you won't need to check file open/close failures
• Change to the last directory
• Change to the home directory
• Absolute vs relative directories
• Concatenate gzipped files
• Basic Key Bindings
• Single-line comments
• Multi-line comments
• Rewind a filehandle
• cpanminus, the lightweight configuration-free replacement for cpan
• Data::Show
• Reading and Writing gzip compressed files
• Generate a random integer between 0 and 9