FYI it was added to coreutils here: https://github.com/coreutils/coreutils/commit/6cd2d5e5335b
And toybox here: https://github.com/landley/toybox/commit/a2419ad52d48 mv -x takes exactly two arguments and calls: renameat2(AT_FDCWD, argv[1], AT_FDCWD, argv[2], RENAME_EXCHANGE); Which does an atomic exchange. Rob P.S. My toybox patch is fluffy because I support building a subset of the commands on freebsd and macos, and didn't want to break cp/mv/install there calling a linux-only syscall/flag, so I added a wrapper to lib/portability.c to quarrantine the #ifdef. Both the syscall and the exchange flag for it were added to linux in 2014, so maybe they've caught up by now or have an equivalent? Dunno. I tweaked some help text while I was there, 80% of that patch is basically noise to you guys. I haven't actually looked at the coreutils patch because gplv3... _______________________________________________ busybox mailing list busybox@busybox.net http://lists.busybox.net/mailman/listinfo/busybox
