From: Anatol Pomozov <anatol.pomozov@...>
Date: 2006-07-16T16:45:21+09:00
Subject: Re: system() on windows

Steve Martin wrote:
>>
>> If you want to catch all output including both STDOUT and STDERR you
>> should do following trick
>>
>> output = `someprogram 2>&1`
>>
>> So using OS pipes you redirect STDERR to STDOUT and then run application
>> and get STDOUT using `` function.
> 
> Except that the OP said he is on Windows, and unless he is using cygwin
> to get bash/sh style redirection, that won't work. Starndard Error
> isn't captured by any of the ruby IO/Exec processes that I can find.

Did you really try my recipe on Windows???



File.open('a.rb','w'){|f|
  f.write <<-END
    STDOUT.puts 'standard output stream'
    STDERR.puts 'error output stream'
  END
}

out = `ruby a.rb 2>&1`

puts "HERE IT IS OUTPUT:"
puts out

=====OUTPUT=====
HERE IT IS OUTPUT:
standard output stream
error output stream

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