What is the integer limit for bash 4.0.28 arithmetic?

D. Hugh Redelmeier hugh-pmF8o41NoarQT0dZR+AlfA at public.gmane.org
Wed Sep 30 05:05:17 UTC 2009

| From: Walter Dnes <waltdnes-SLHPyeZ9y/tg9hUCZPvPmw at public.gmane.org>

|   My question is... how large a number will bash (4.0.28(1)) integer
| arithmetic be able to handle?  I can use "bc" if necessary, but prefer
| to use as few external programs as possible.

 Date: Tue, 4 Aug 2009 00:56:57 -0400 (EDT)
 From: D. Hugh Redelmeier <hugh-pmF8o41NoarQT0dZR+AlfA at public.gmane.org>
 To: tlug-lxSQFCZeNF4 at public.gmane.org
 Subject: Re: [TLUG]: Slowing Linux to a crawl

 | From: D. Hugh Redelmeier <hugh-pmF8o41NoarQT0dZR+AlfA at public.gmane.org>

 | It appears as if BASH uses 64-bit evaluation, so there appears to be
 | no immediate danger.

 I just booted another old box (see other threads).  It has RHL 7.0 with
 BASH 2.04.11.  This BASH uses 32-bit evaluation.  With no reporting of
 overflow (conforming to the manual, but I think that this is
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