From: nobu.nokada@...
Date: 2001-12-11T04:05:07+09:00
Subject: [ruby-talk:28126] Re: Handling parameters differently?

At Tue, 11 Dec 2001 03:40:06 +0900,
Tim Christian <MrTJC@TimChristian.com> wrote:
> printf("test 1: %2.2f%% End of test 1\n", 1.4)
> printf "test 2: %2.2f%% End of test 2\n" % [1.4]
> 
> I would assume the second statement would work just like the first,
> but it doesn't.  The above code frag displays:
> 
> test 1: 1.40% End of test 1
> t.rb:5:in `printf': too few argument. (ArgumentError)
>         from t.rb:5
> 
> I haven't figured out how to embed a percent sign in the format string
> using the second statement format style (which I prefer).  Any ideas?

  printf "test 2: %2.2f%%%% End of test 2\n" % [1.4]

Since String#% and also printf interprets percent signs, you
need to escape twice.  Or use print instead of printf.

  print "test 2: %2.2f%% End of test 2\n" % [1.4]


Nobu Nakada