gistfile1.rb

lines = []
File.open(ARGV[0]).each_line do |line|
    lines << line
end

def word_to_num(word)
   case word
   when "zero"  then 0
   when "one"   then 1
   when "two"   then 2
   when "three" then 3
   when "four"  then 4
   when "five"  then 5
   when "six"   then 6
   when "seven" then 7
   when "eight" then 8
   when "nine"  then 9
   end
end

lines.map{|l| l.split(";")}.each do |line|
   puts line.map{|word| word_to_num(word)}.join 
end