From: Robert Klemme <shortcutter@...>
Date: 2009-07-07T21:02:13+09:00
Subject: Re: Breaking the loop in case of EOF

2009/7/7 Brian Candler <b.candler@pobox.com>:
> Marcin Górski wrote:
>> I need to break a loop when program gets an EOF from STDIN.
>
> gets will return nil in this case.
>
> while str = STDIN.gets
>  str.chomp!
>  puts "String: #{str}"
> end
>
> Beware that "STDIN.gets" is subtly different from a bare "gets". The
> first always reads from STDIN. The second will read from the files named
> on the command line if the command line is not empty. (See also ARGF).

I believe a more idiomatic way would be

STDIN.each do |str|
  str.chomp!
  puts "String: #{str}"
end

Kind regards

robert

-- 
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