Handling of final delimter (was Re: "this me"?)

[Mike Bonner]

Just did a quick test with 1m lines getting the last char of each (for each
line loop) using -1 and last, last is faster. 266 milliseconds for "last
char.." and 318 for char -1


On Mon, Aug 12, 2013 at 1:47 PM, Mike Kerner <MikeKerner at roadrunner.com>wrote:

> Geoff,
> I haven't messed with it, but does "last char" have the same performance as
> "char -1"?
>
>
> On Mon, Aug 12, 2013 at 3:32 PM, Geoff Canyon <gcanyon at gmail.com> wrote:
>
> > Another way:
> >
> >       if char -1 of tList is the itemdelimiter then delete char -1 of
> tList
> >
> > For short lists, item 1 to -1 is faster. For long lists the above gets to
> > be perhaps 5x faster.
> >
> >
> > On Mon, Aug 12, 2013 at 12:30 PM, Devin Asay <devin_asay at byu.edu> wrote:
> >
> > >
> > > On Aug 12, 2013, at 10:51 AM, Mark Wieder wrote:
> > >
> > > > Terry-
> > > >
> > > > Sunday, August 11, 2013, 11:04:26 PM, Terry Judd wrote:
> > > >
> > > >> Agreed - for practical purposes it's only 3 - although I still
> > > >> can't get out of the habit of deleting the trailing delimiter from a
> > > >> constructed list before processing it in a repeat loop.
> > > >
> > > > I do too. And for that reason, neither of us would have code that
> > > > would be affected by changing the way items and lines are counted.
> But
> > > > there *is* other legacy code out there that does rely on the current
> > > > behavior.
> > >
> > >
> > > You know how I get rid of trailing delimiters?
> > >
> > >   put line 1 to -1 of tList into tList
> > >
> > >   put item 1 to -1 of tItems into tItems
> > >
> > > Kills that dang dangling delimiter dead.
> > >
> > > Devin
> > >
> > >
> > > Devin Asay
> > > Office of Digital Humanities
> > > Brigham Young University
> > >
> > >
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