LiveCode Forums.

Does anyone know how to remove duplicate lines from a file or var without useing the filter or replace commands. I've tried those and they take way to long About a hr and I have 5000 files to go thru. I'm still useing "studio" version. This script worked once
put commonLines (a,b) into c but after running it once it wouldnt work again and that code is in the documentation recipe for studio. If anyone can help this beginner will surely appreciate it.

put it as keys into an array, then back again. There can always be only one key of the same text, so there'll be an automatic removal. Use a nonexistent char as secondary delimiter, to make sure nothing gets actually put into the contents of the array. for example: