#!/usr/bin/env ruby # # comment require "English" #{expression} #{ expression } cnf.marked.any? ? cnf.marked.to_a.join!(',') : "nothing" BEGIN { puts "Hello! in \"BEGIN\"" # comment puts 'World! in \'BEGIN\'' # comment } END { puts 'bye! in "END"' } p $" p $' p $/ puts __LINE__ puts __FILE__ a = [1, 2, 3, 4, "foo", "bar"] a = %w(1, 2, 3, 4, "foo", "bar") h = {"foo" => 1, "bar" => 3} $global = 1 print("with parenthesis\n") print "without parenthesis\n" print 12345678, "\n" print 1.2345678, "\n" print a[0], a[1], "\n" print h['foo'], h[1], "\n" print $global, "\n" print `date` print <