1:#!/usr/bin/ruby -w
   2:puts "Hello  World!\n"
   3:
   4:# Print a variable
   5:test = "human events"
   6:puts test
   7:
   8:# Combining or concatenating two strings
   9:puts "1: When in the course of " + test
  10:
  11:# Printing a value within a String. Interpolation like Perl
  12:puts "2: When in the course of #{test}"
  13:
  14:# Create a value using a here docment
  15:heredoc = <<END_OF_STRING
  16:-------------------------------
  17:Calling the test value again:
  18:#{test}
  19:End of the text
  20:-------------------------------
  21:END_OF_STRING
  22:
  23:puts heredoc
  24: