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Re: Arithmetic evaluation of negative numbers with base prefix


From: Chet Ramey
Subject: Re: Arithmetic evaluation of negative numbers with base prefix
Date: Tue, 18 Jun 2019 10:27:48 -0400
User-agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.14; rv:60.0) Gecko/20100101 Thunderbird/60.7.1

On 6/18/19 1:52 AM, Ilkka Virta wrote:

> I still wish this could be fixed to do the useful thing without any
> workarounds, given it's what ksh and zsh do

I'm surprised people keep saying this.

$ ksh93 -c 'echo ${.sh.version}'
Version ABIJM 93v- 2014-09-29
$ ksh93 -c 'echo $(( 10# ))'
ksh93:  10# : arithmetic syntax error
$ ksh93 -c 'echo $(( 10#-4 ))'
ksh93:  10#-4 : arithmetic syntax error


-- 
``The lyf so short, the craft so long to lerne.'' - Chaucer
                 ``Ars longa, vita brevis'' - Hippocrates
Chet Ramey, UTech, CWRU    address@hidden    http://tiswww.cwru.edu/~chet/



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