comparing a variable to itself isn't a problem? O-kay. I didn't make that kind of error back when I was first learning to code <mumble> years ago. Hint: I was using the then spanking new FORTRAN77 super language, though the school used punch cards as it didn't have a computer with terminals the year I started. It acquired a Prime shortly thereafter, with real terminals, and we stopped using the punch card machine. I used old cards as bookmarks for years (okay, for decades, I had a lot of the things) afterwards.