Hi Michael, thanks. I just had the typo in my e-mail. The script in the stack is correct.
I tried now Pete“s solution with an array. This is much faster. Regards, Matthias Am 06.10.2011 um 21:15 schrieb Michael Kann: > Matthias, > > I noticed a typo in the second loop: > > repeat for each line i in tTextB > if i is not among the lines of tTextA then put i &retrurn after tMissingInA > TYPO RETRURN > end repeat > > This probably isn't the actual script or anyway it wouldn't work even after > ten minutes. Perhaps there is a type in the script that you used? > > Mike > > > --- On Wed, 10/5/11, Matthias Rebbe <matthias_livecode_150...@m-r-d.de> wrote: > > From: Matthias Rebbe <matthias_livecode_150...@m-r-d.de> > Subject: how to compare 2 very large textfiles > To: "How to use LiveCode" <use-livecode@lists.runrev.com> > Date: Wednesday, October 5, 2011, 5:00 PM > > Hi, > > i need to compare two very large text files with about 5000 - 7000 lines each > with a lines size of up to 256 chars. > > I need to find out if there are lines missing in either file a or file b. > > What is the best way to do this with good speed? > > I tried to check each line in file a and if the line is in file b. > And after that, i check for each line in file b and try to find out > if the line is in file a. > > With large files it takes about 10 to 15 minutes to do the complete check. > > My script looks like this > > repeat for each line i in tTextA > if i is not among the lines of tTextB then put i &return after tMissingInB > end repeat > > repeat for each line i in tTextB > if i is not among the lines of tTextA then put i &retrurn after tMissingInA > end repeat > > Is there a better (faster) way? > > Regards, > > Matthias > > > > > > _______________________________________________ > 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 _______________________________________________ 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