gasman

#!/usr/bin/env ruby -w

# pnginator.rb: pack a .js file into a PNG image with an HTML payload;
# when saved with an .html extension and opened in a browser, the HTML extracts and executes
# the javascript.

# Usage: ruby pnginator.rb input.js output.png.html

# By Gasman <http://matt.west.co.tt/>
# from an original idea by Daeken: http://daeken.com/superpacking-js-demos

bcardiff

unless ARGV.size > 0
  puts "  Missing executable file argument"
  puts "  Usage (in a Dockerfile)"
  puts "  RUN crystal run ./path/to/list-deps.cr -- ./bin/executable"
  exit 1
end

executable = File.expand_path(ARGV[0])

unless File.exists?(executable)