[TUHS] xvi

On Fri, Jul 18, 2025 at 06:57:03PM -0400, Jeff Johnson wrote: I can pull it back to something potentially useful. As I mentioned, years and years ago, on small memory machines, I used to vi $BIG_ASS_LOGFILE and because editors tend to malloc each line, the vi session got really slow (started swapping) when the file was bigger than roughly 1/2 of mem. My changes were to teach the string library, and whatever else operated on a line of the file, to treat \n the same way you would treat \0. Then you change the code that read in the file to just mmap() it. I don't think I went so far as to make changes to the file work, not sure, it may have just worked but I was looking at log files, I don't think I modified them. I'm pretty sure the answer is no, the laptop I'm typing on has 64GB and I suspect everyone else is the same. But can anyone imagine a use case where having a vi that could read really large files (and quickly, no parsing/mallocing each line) would be useful? I'm pretty done with programming but if someone said "here is an important use case where that would help" I'd go find those changes and see if I can port them forward. -- --- Larry McVoy Retired to fishing http://www.mcvoy.com/lm/boat