string

#!/usr/bin/env ruby

require 'rubygems'

begin
  require 'active_support'
  require 'active_support/core_ext/string'
rescue LoadError => e
  STDERR.puts "Warning: gem install activesupport if you want more advanced manipulations."
end

$command = ARGV.shift

def process(input)
  puts input.send($command)
end

if ARGV.length > 0
  ARGV.each { |i| process(i.chomp) }
else
  while i = gets
    process(i.chomp)
  end
end