# Install Homebrew (from https://brew.sh)
$ /bin/bash -c "$(curl -fsSL https://raw.githubusercontent.com/Homebrew/install/HEAD/install.sh)"

# Use Homebrew to install some stuff MacOSx doesn't normally have:
$ brew install wget
$ brew install tcl-tk	# Needed due to apple's old, buggy, version
$ brew install tkdiff
$ brew install gawk
$ brew install perl
$ brew install --cask xquartz	# Needed for X11 on Mac

# Use CPAN shell to install perl modules
$ /opt/homebrew/bin/perl -MCPAN -e shell 
install Term::ReadLine::Perl
install CPAN
reload CPAN
install YAML
install Tk