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Re: [bug-gawk] Coprocessing deadlocks?


From: arnold
Subject: Re: [bug-gawk] Coprocessing deadlocks?
Date: Thu, 04 Jan 2018 02:20:33 -0700
User-agent: Heirloom mailx 12.4 7/29/08

Hi.

Thanks for the report. I am working on this.  It's messier than I
hoped it would be. I should have a fix soon, maybe even today.

Thanks!

Arnold

Panos Papadopoulos <address@hidden> wrote:

> Hi Arnold!
> Happy new year!
>
> I'm sure that you're aware of this topic in comp.lang.awk:
> https://groups.google.com/forum/#!topic/comp.lang.awk/pz4gmSw0uas
>
> If you're not, here is a simple script that seems to be malfunctioning:
>
> BEGIN {
> > cmd = "tr a-z A-Z"
> > print "abc" |& cmd
> > cmd |& getline
> > print
> > }
>
>
> The above must print ABC, but seems to freeze (gawk version 4.2).
> If you change cmd to "cat" works fine.
>
> Regards,
> Panos
>
> -- 
> Panos I. Papadopoulos
> Thessaloniki
> GREECE



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