Add encoding to Ruby files

add_encoding.rb

#!/usr/bin/env ruby

@file_count = 0
@skip_count = 0
@line_count = 0

def unshift_encoding(path)
  lines = File.open(path).readlines

  if lines.first =~ /encoding: utf-8/
    @skip_count += 1
    puts "Skipping #{path}" if $VERBOSE
  else
    @line_count += lines.length
    @file_count += 1

    lines.unshift("# encoding: utf-8\n")
    File.open(path, 'w') {|f| f.write lines.join }
  end
end

paths = Dir['./vendor/plugins/**/*.rb']
# paths = Dir['./app/models/**/*.rb']
# paths << Dir['./app/controllers/**/*.rb']
# paths << Dir['./lib/**/*.rb']

paths.flatten.each do |path|
  unshift_encoding(path)
end

puts "Summary:"
puts "  #{@file_count.to_s.rjust(4)} files"
puts "  #{@line_count.to_s.rjust(4)} lines"
puts "  #{@skip_count.to_s.rjust(4)} skipped"