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Re: Number with sign is read as octal despite a leading 10#


From: Chet Ramey
Subject: Re: Number with sign is read as octal despite a leading 10#
Date: Tue, 10 Jul 2018 11:00:36 -0400
User-agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.12; rv:52.0) Gecko/20100101 Thunderbird/52.9.0

On 7/9/18 9:24 PM, Isaac Marcos wrote:

> Bash Version: 4.4
> Patch Level: 12
> Release Status: release
> 
> Description:
> A value inside an arithmetic expansion is processed as octal despite using
> a 10# preffix.

An integer constant cannot contain a `+'.

> 
> Repeat-By:
>         $ echo $((10#+0034))
>         28

If anything, this is bash being too liberal in accepting constants that
begin with `base#'. There would be a good case for rejecting the `10#'
because it's missing the value.

-- 
``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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