iOS .imageset generator

gistfile1.txt

 #!/usr/bin/env ruby

contents_json = Dir["**/Contents.json"]

contents_json.each do |file|
  newline =  "\"filename\" : \"#{(file.split('/')[1]).gsub('.imageset', '.jpg')}\""

  new_contents = "{
    \"images\" : [
      {
        \"idiom\" : \"universal\",
        \"scale\" : \"1x\"
      },
      {
        \"idiom\" : \"universal\",
        \"scale\" : \"2x\",
        #{newline}
      }
    ],
    \"info\" : {
      \"version\" : 1,
      \"author\" : \"xcode\"
    }
  }"

  f = File.new(file, "w")
  f.write new_contents
end