rails app simple rename

x_simple_rename.rb

# encoding: utf-8

args = ARGV.dup
from = args.first || "name"
to = args.last || "to"

cmd = "find ./ -name \"*.rb\" | xargs grep #{from}"

result = `#{cmd}`

files = result.split("\n").map { |l| l.split(":").first }

# files.pop if ARGV.first == "i"

files.each do |file|
  result = File.open(file, 'r') { |f| f.read }
  result.gsub!(from, to)
  File.open(file, 'w') { |f| f.write result }
end