Skeleton for Ruby command-line app

app.rb

#!/usr/bin/env ruby
#/ SYNOPSIS
#
# Run `CMD --help` for full documentation.
#
# Written by NAME

require 'optparse'

options = {
  :foo => false,
  :bar => nil
}

ARGV.options do |opts|
  opts.banner = "Usage: #{opts.program_name} [<options>]"

  opts.separator ""
  opts.separator "Options:"

  opts.on("-f", "--foo", "some random foo option") do
    options[:foo] = true
  end

  opts.on("-b", "--bar BAR", "some random bar option") do |bar|
    options[:bar] = bar
  end

  opts.on("-h", "--help", "show help text") do
    puts opts
    exit 0
  end

  opts.separator ""
  opts.separator File.readlines(__FILE__).grep(/^#\/.*/).map { |line| line.chomp[3..-1] }.join("\n")

  begin
    opts.parse!
  rescue => e
    abort "error: #{e}"
  end
end

# Do something useful with options and arguments here
p options
p ARGV