Ruby cli skelton

skelton.rb

#!/usr/bin/env ruby

require 'optparse'

# --- Default parameters ---
a = "example"

summary = <<EOT
Program Description

Usage: #{File::basename($0)} [options]
EOT

opts = OptionParser.new(summary)

opts.on("-x", "--x=VAL") do |v|

end

begin
	opts.parse!
rescue
	print opts.help
	exit
end

# --- Write main program from here ---