accwords

accwords.rb

#!/usr/bin/ruby

# free 4 u 2 use
# hayden jones
# this can take any number of files as arguments
# eg: ./accwords junk.txt junk2.txt junk3.txt
# and accumulates each letter
# a = 1, b = 2 ... z = 26
# it prints out the final result

letter_array = ('a'..'z').to_a
accum = 0
files = []

ARGV.each { |arg| files.push(File.open(arg).readlines.join) }

letters = files.join

letters.each_char do |char|
  if letter_array.index(char.downcase)
  then accum += letter_array.index(char.downcase)
  end
end

puts accum