Para los vagos. TODO * THE THINGS.

estructura.rb

require 'digest/sha1'

dir = '/Users/javierhonduco/Dropbox/uni/Estructura/lab/CodigoInicialP1'
exercise = 'E2-CompToInt'
args =  10000001
interval = 0.5

def dirhash dir
  items = []
	hashs = []
	
	Dir.foreach(dir) do |item|
	  	next if %w(. ..).include? item
		next if !item.match /.(c|h)/ 
		next if item.match /.swp/ 
		
		items.push item
	end

	items.sort!

	items.each do |item|
		digest = Digest::SHA1.hexdigest File.read "#{dir}/#{item}"
		hashs.push digest
	end
	
	 Digest::SHA1.hexdigest hashs.join
end

previous = nil

while true
	current = dirhash dir
	if !previous.nil? and current != previous
		puts 'A file has changed!'
		puts  `cd #{dir} && make && ./#{exercise} #{args}`
	end
	previous = current
	sleep interval
end

Hey, timeout me maybe?