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From: Greg Wooledge <wooledg@eeg.ccf.org>
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Subject: Re: read and inconsistent handling of trailing null field?
Date: Wed, 29 Jan 2020 10:25:30 -0500
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On Wed, Jan 29, 2020 at 10:19:55AM -0500, Clint Hepner wrote:
>     bash-5.0$ IFS== read -r n v <<< "name=var="
>     bash-5.0$ echo "$v"
>     var

https://mywiki.wooledge.org/BashPitfalls#pf47