Re: Incrementing variable=0 with arithmetic expansion causes Return code = 1

From	Greg Wooledge <wooledg@eeg.ccf.org>
Newsgroups	gnu.bash.bug
Subject	Re: Incrementing variable=0 with arithmetic expansion causes Return code = 1
Date	2020-08-28 11:22 -0400
Message-ID	<mailman.1612.1598628204.2469.bug-bash@gnu.org> (permalink)
References	<GVAP278MB0118201C70D7FAF7B4DF612D98520@GVAP278MB0118.CHEP278.PROD.OUTLOOK.COM> <20200828152252.GH931@eeg.ccf.org>

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On Fri, Aug 28, 2020 at 08:00:30AM +0000, Gabriel Winkler wrote:
> # Causes error
> test=0
> ((test++))
> echo $?
> 1
> echo $test
> 1

https://mywiki.wooledge.org/BashFAQ/105

Exercise 1.  And 2.  And the whole rest of the page.

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Re: Incrementing variable=0 with arithmetic expansion causes Return code = 1 Greg Wooledge <wooledg@eeg.ccf.org> - 2020-08-28 11:22 -0400

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