Stack overflow-ify your code!

stackoverify.rb

#!/usr/bin/ruby
#Usage: stackoverify <input file> <output file (optional)>

file = ARGV[0]
out = ARGV[1] || file + ".so"

replacements = [
	"",
	" ",
	"  ",
	"   ",
	"	",
	"		"
]

outString = ""

begin
	file = File.new(file, "r")
	while (line = file.gets)
		line.gsub!(/(  )/, replacements.sample)
		line.gsub!(/(	)/, replacements.sample)
		outString += "#{line}"
		outString += rand(50) % 2 == 0 ? "\n" : ""
	end
	file.close
rescue => err
	puts "Exception: #{err}"
	err
end

File.open(out, 'w') { |file| file.write(outString) }