On Friday, May 3, 2019 5:56:35 PM CEST Viktors Berstis wrote: > I don't think the problem has anything to do with sorting or -U1.
It was unclear what you meant by "the problem" so I pointed out the only inefficiency that was immediately obvious to me. > When ls is taking over 5 minutes for something that should run in a > couple of seconds, the task manager shows that it is using nearly no > CPU.... it is doing a lot of "other I/O". You can try to use some profiling/tracing tools to debug the root cause. > It doesn't look like the build you referenced is designed to be > compileable for Windows. Is there one that is? Thanks. I would suggest to build the latest upstream release (coreutils-8.31 now) from: https://www.gnu.org/software/coreutils/ Kamil