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Re: Missing documentation of the integer range (declare -i)
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From: |
Chet Ramey |
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Subject: |
Re: Missing documentation of the integer range (declare -i) |
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Date: |
Wed, 6 Dec 2017 07:58:51 -0700 |
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User-agent: |
Mozilla/5.0 (Macintosh; Intel Mac OS X 10.12; rv:52.0) Gecko/20100101 Thunderbird/52.4.0 |
On 12/6/17 7:53 AM, Greg Wooledge wrote:
> On Wed, Dec 06, 2017 at 03:35:51PM +0100, H.-Dirk Schmitt wrote:
>> I carefully read the man page and find no definition of the defined
>> range of integer variables in bash.
>
> Bash uses signed 64-bit integers for arithmetic, since version 2.05b.
> Before that, it was either 32-bit or platform-defined; I'm not sure
> which.
It's always been platform-dependent. It used to be `unsigned long', now
it's `intmax_t'.
--
``The lyf so short, the craft so long to lerne.'' - Chaucer
``Ars longa, vita brevis'' - Hippocrates
Chet Ramey, UTech, CWRU chet@case.edu http://tiswww.cwru.edu/~chet/