kejadlen · July 25, 2012 15:18
diff --git a/postfix_to_infix.rb b/postfix_to_infix.rb
 #!/usr/bin/env ruby

 puts ARGV[0].split(/\s*/).inject([]) {|n,i|
  n << ((%w[+ - * /].include?(i)) ? (b,a=n.pop,n.pop; "(#{a} #{i} #{b})") : i)
 }[0]
	#!/usr/bin/env ruby

	puts ARGV[0].split(/\s*/).inject([]) {\|n,i\|
	n << ((%w[+ - * /].include?(i)) ? (b,a=n.pop,n.pop; "(#{a} #{i} #{b})") : i)
	}[0]