rwc

#!/usr/bin/env ruby

# Recursive line/word/byte counter

require 'find'
require 'fileutils'

ARGV.push '.' if ARGV.empty?

total_lines = total_words = total_bytes = 0
for arg in ARGV
  Find.find arg do |path|
    if FileTest.file? path
      bytes = FileTest.size path
      contents = File::readlines(path)
      lines = contents.size
      words = contents.inject(0) {|result, line| result + line.split(/\s+/).size }
      printf "%7d %8d %9d  %s\n", lines, words, bytes, path
      total_lines += lines
      total_words += words
      total_bytes += bytes
    end
  end
end
printf "%7d %8d %9d  [Total]\n", total_lines, total_words, total_bytes