Morse: reinvented / based on https://github.com/hydride0/things/blob/master/morse.rb

morse.rb

#!/usr/bin/env ruby

###########################################
                                          #
alpha = { :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=>'__..',      #
          :'1'=>'.____', :'2'=>'..___',   #
          :'3'=>'...__', :'4'=>'...._',   #
          :'5'=>'.....', :'6'=>'_....',   #
          :'7'=>'__...', :'8'=>'___..',   #
          :'9'=>'____.', :'0'=>'_____',   #
          :' '=>'.....'                   #
        }                                 #
                                          #
###########################################

puts ''.tap { |s| ARGV.join.downcase.chars.each { |x| s << "#{alpha[x.to_sym]} " if alpha.has_key? x.to_sym } }