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Groups > gnu.bash.bug > #15053

Re: Arithmetic evaluation of negative numbers with base prefix

From Greg Wooledge <wooledg@eeg.ccf.org>
Newsgroups gnu.bash.bug
Subject Re: Arithmetic evaluation of negative numbers with base prefix
Date 2019-06-17 11:47 -0400
Message-ID <mailman.287.1560786517.10840.bug-bash@gnu.org> (permalink)
References <20190614141947.GB27242@tower> <dc253e63-de07-6c60-7b20-1688286a43d2@case.edu> <20190617133026.GC27242@tower> <20190617154708.GG2072@eeg.ccf.org>

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On Mon, Jun 17, 2019 at 02:30:27PM +0100, Jeremy Townshend wrote:
> In the meantime it would seem cautionary to advise against the pitfall of
> using base# prefixed to variables (contrary to
> mywiki.wooledge.org/ArithmeticExpression) unless you can be confident that
> they will never be decremented below zero.

Fair point.  I've updated <https://mywiki.wooledge.org/ArithmeticExpression>
and <https://mywiki.wooledge.org/BashPitfalls>.

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Re: Arithmetic evaluation of negative numbers with base prefix Greg Wooledge <wooledg@eeg.ccf.org> - 2019-06-17 11:47 -0400

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