From: Stefan Lang <langstefan@...>
Date: 2005-06-07T04:36:50+09:00
Subject: Re: 'gets' has been hijacked

On Monday 06 June 2005 21:31, Pete Elmore wrote:
> I was working with a simple script, that unexpectedly broke.  The
> problem can be reduced to this:
>
> pete@robots:~$ cat t.rb
> #!/usr/bin/env ruby
> p gets
> pete@robots:~$ ./t.rb
> asdf
> "asdf\n"
> pete@robots:~$ ./t.rb nonexistent-file
> ./t.rb:2:in `gets': No such file or directory - nonexistent-file
> (Errno::ENOENT)
>          from ./t.rb:2
>
> Ah, right, I remember this from the Bad Old Days of Perl: stdin has been
> stolen.  Is there any way to stop this behavior, like a global I could
> set or a flag I could pass to ruby?  Couldn't find anything on the man
> page or in Pickaxe.

You could explicitely call #readline on $stdin instead of Kernel#gets:
  $stdin.readline

Stefan