From: "ara.t.howard" <ara.t.howard@...>
Date: 2008-05-08T00:45:10+09:00
Subject: Re: Getting pipe return codes from SYSTEM command


On May 7, 2008, at 9:33 AM, Russell Quinn wrote:
> how can I still get the return code of ls?

you cannot.  this is a bash limitation.

if you need to do that use something like:


stdout = IO.popen('ls'){|pipe| pipe.read}

p $?.exitstatus

stdout = IO.popen('bzip2 -c', 'r+'){|pipe| pipe.write stdout;  
pipe.close_write; pipe.read}

p $?.exitstatus

a @ http://codeforpeople.com/
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