From: Brian Candler <b.candler@...>
Date: 2008-11-26T23:14:09+09:00
Subject: Re: multiplatform pipe open?

Sebastian (syepes) wrote:
> Hi all,
> 
> I'm starting with Ruby and i am trying to migrate some Perl scripts to
> Ruby, but cant get pipes with open to work like in perl.
> 
> What's the Right way to make open "pipes, stdin,stdout" work in all OS
> platforms, with no external gems?
> 
> I have tried the 'fh = IO.popen("/bin/console_programe","w+")', but
> don't understand why i need to use the method "close_write".

You don't show your Ruby code, but maybe you just need fh.flush after 
the last write, or set fh.sync = true after opening the pipe.

That is: the output data may be being buffered at the Ruby side. A 
close_write would certainly flush it, whilst allowing you to read the 
response.
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