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Subject: Re: BASH 4.4 mapfile/readarray/read builtins mis-behaving with pipe [edit] documentation bug
To: cygwin AT cygwin DOT com, rdbingham AT verizon DOT net
References: <69b0bc3c-7ead-920e-f04b-ec631c3453b7 AT verizon DOT net> <2beb175e-2291-6b12-6efd-c84704f6762f AT verizon DOT net>
From: Eric Blake <eblake AT redhat DOT com>
Message-ID: <07814e3d-d637-47c2-74fd-cb2916c29099@redhat.com>
Date: Fri, 20 Jul 2018 11:08:39 -0500
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On 07/17/2018 08:52 PM, BloomingAzaleas wrote:
> Reply to Steven Penny <svnpenn at gmail dot com>:
> 
>     no mis-behaving: this is intended behavior - you yourself have given
>     workarounds: either redirect output to a file that can be later 
> read, or pipe to
>     command grouping ala {} or () and read stdin from inside the subshell
> 

> I suggest the following adjustment to the man pages inserting a 
> parenthetical cue regards behavior in pipes:

Is the behavior you are complaining about unique to Cygwin, or can it be 
reproduced on a GNU/Linux box?  If the latter, then an upstream bug 
report is better than asking for a cygwin-specific patch.  [Hint - as 
the maintainer of the cygwin bash port, I don't recall adding any 
cygwin-specific tweaks for mapfile - and a quick test on Fedora shows 
the same behaviors]

-- 
Eric Blake, Principal Software Engineer
Red Hat, Inc.           +1-919-301-3266
Virtualization:  qemu.org | libvirt.org

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