Please Forward: Ruby Quiz Submission

ruby-talk
1

From: James Koppel <darmaniiii@yahoo.com>
Date: April 24, 2007 4:07:50 PM CDT
To: submission@rubyquiz.com, submission@rubyquiz.com
Subject: Please Forward: Ruby Quiz Submission

Here is my submission to Ruby Quiz #121. My aim was succinctness, and I daresay I succeeded.

$code = { '.-' => "A", '-...' => "B", '-.-.' => "C", '-..' => "D",
'.' => "E", '..-.' => "F", '--.' => "G", '....' => "H",
'..' => "I", '.---' => "J", '-.-' => "K", '.-..' => "L",
'--' => "M", '-.' => "N", '---' => "O", '.--.' => "P",
'--.-' => "Q", '.-.' => "R", '...' => "S", '-' => "T",
'..-' => "U", '...-' => "V", '.--' => "W", '-..-' => "X",
'-.--' => "Y", '--..' => "Z"}

def printTranslations(morse, english="")
  puts english if "" == morse
  (1..[4, morse.length].min).each { |n|
    printTranslations(morse[n..-1], english + $code[morse[0,n]]) if $code.has_key?(morse[0,n])}
end

puts "Input morse code string"
printTranslations(gets.chomp)

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ยทยทยท

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