If I remember correctly, there are some significant improvements in the pipeline for the filter command - head over to the engine forum fro details.
Pete lcSQL Software <http://www.lcsql.com> On Thu, Jul 11, 2013 at 10:50 AM, Roger Eller <roger.e.el...@sealedair.com>wrote: > Thanks Richard. > > To give a better picture of the requirements, the gCodes will be read from > a user editable preference file (.txt), so there could easily be 3 or more > (or less) items that have to be examined for each line of tList (a report > file). > > At the moment, it works for the hard-coded 3 gCodes. That's why I tried > "or" in hopes of filtering them all in a single pass. I'm going to build a > smarter repeat that can adjust to the number of items in gCodes. > > ~Roger > > > On Thu, Jul 11, 2013 at 1:18 PM, Richard Gaskin wrote: > > > Roger Eller wrote: > > > >> > >> Perhaps I should just loop through each line checking if it 'contains' > one > >> of the codes instead? > >> > > > > I would do that. > > > > Regex is handy at times, but it's a complex subsystem and notoriously > slow > > with complex operators. > > > > I'll bet if you can first run a filter against the left-most column, a > > "repeat for each" on the remainder would likely be about as fast as you > can > > get. > > > > Sometimes "repeat for each" on the whole thing is faster than "filter". > > > > -- > > Richard Gaskin > > Fourth World > > LiveCode training and consulting: http://www.fourthworld.com > > Webzine for LiveCode developers: http://www.LiveCodeJournal.com > > Follow me on Twitter: http://twitter.com/**FourthWorldSys< > http://twitter.com/FourthWorldSys> > _______________________________________________ > use-livecode mailing list > use-livecode@lists.runrev.com > Please visit this url to subscribe, unsubscribe and manage your > subscription preferences: > http://lists.runrev.com/mailman/listinfo/use-livecode > _______________________________________________ use-livecode mailing list use-livecode@lists.runrev.com Please visit this url to subscribe, unsubscribe and manage your subscription preferences: http://lists.runrev.com/mailman/listinfo/use-livecode
