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Re: SECONDS=0 does not reset SECONDS, or I'm missing something


From: Greg Wooledge
Subject: Re: SECONDS=0 does not reset SECONDS, or I'm missing something
Date: Fri, 5 Jun 2020 11:58:35 -0400
User-agent: Mutt/1.10.1 (2018-07-13)

On Fri, Jun 05, 2020 at 11:42:04AM -0400, Chet Ramey wrote:
> On 6/5/20 7:26 AM, Greg Wooledge wrote:
> 
> > Perhaps something like this would work:
> > 
> >        SECONDS
> >               Expands to the difference between the current system time
> >           (in seconds) and the system time (in seconds) at shell
> >           invocation.  If a value is assigned to SECONDS, the value
> >           returned upon subsequent references is the value assigned
> >           plus the difference between the current system time (in
> >           seconds) and the system time (in seconds) upon assignment.
> > 
> > Feel free to use that, or tweak it, or discard it.  I'm not thrilled
> > with the quadruple repetition of "system time (in seconds)" but I can't
> > think of a clearer way to express it at the moment.
> 
> How about just adding a sentence that says the number of seconds at startup
> and the current time is always determined by querying the system clock.

Fine with me, but I'm not the one who was confused by the current
implementation.



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