yea if date didnt have time to do, in one sync case it did, sleep 0.001 wasnt enuff, i didnt test much more sorry, thanks
On Mon, Oct 11, 2021, 13:37 Robert Elz <k...@munnari.oz.au> wrote: > Date: Mon, 11 Oct 2021 10:26:12 +0200 > From: Alex fxmbsw7 Ratchev <fxmb...@gmail.com> > Message-ID: < > caalkerhta-kbmd1wps7ybwg3buw7rjntoaw7slg6fyrlicd...@mail.gmail.com> > > | i still have hopes it syncs, arent pipes file fifos or something > > > it makes no difference, you cannot sync something > which has not yet been written, and in the > examples it us very likely that date has not > had time to do all tge work it needs to do > before it can write anything. > > In general, reads with small timeouts (like 0) > are only useful when they are in some kind of > loop which isdoing something useful while > waiting for input to (perhaps) arrive. > (This applies to sh scripts and any other > programming language - simply testing if there > is data avaikabke *now* is rarely, though not > never, useful). > >
