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Re: [Help-bash] catching read error conditions


From: Mart Frauenlob
Subject: Re: [Help-bash] catching read error conditions
Date: Mon, 28 Jan 2013 17:11:57 +0100
User-agent: Mozilla/5.0 (Windows NT 5.1; rv:17.0) Gecko/20130107 Thunderbird/17.0.2

On 28.01.2013 16:59, Chet Ramey wrote:
On 1/28/13 8:32 AM, Greg Wooledge wrote:

Well, any of the ways of testing the exit status should suffice.
Also note that you can't distinguish a failure-due-to-timeout from
other kinds of failures.

Not quite true.  The manual says:

"The exit status is greater than 128 if the timeout is exceeded."

That does narrow the error space.

I observed an exit status of 142 if I remember correctly.
Is that consistent over bash versions 3+ ?
Could I rely on that for catching the evidence of timeout?




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