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Re: Request for enhancement: links to 'true' and 'false'

From: Bob Proulx
Subject: Re: Request for enhancement: links to 'true' and 'false'
Date: Mon, 22 Apr 2013 12:34:53 -0600
User-agent: Mutt/1.5.21 (2010-09-15)

Eric Blake wrote:
> Bob Proulx wrote:
> > But even expr is now obsoleted by built in shell math.  Use ((...)) to
> > perform the math in the shell with no external program calls.
> In bash, yes, but not portable.  $(()) is standardized by POSIX, but
> (()) is not, and has some surprising corner cases because it is not
> standardized.

Thanks for that correction.  With that in mind then am I justified in
sticking with my old traditional expr use?  It works everywhere!  :-)


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