On Wed, Feb 24, 2021 at 04:58:24PM -0500, Eliot Moss wrote: > On 2/24/2021 3:48 PM, ASSI wrote: > > Hamish McIntyre-Bhatty via Cygwin writes: > > > I found recently when trying to save output from a script for later > > > inspection that "tee" and file redirections seem to have massive > > > delays when run in Cygwin - usually nothing is written to file or > > > stdout until after the command has finished - not very helpful. > > > > You will want to switch from fully buffered to line-buffered or even > > unbuffered output. > > And this does not have to do with Cygwin. The same happens on Linux. > The default is that terminal I/O is unbuffered while other stream are > buffered. Pipes come under "other streams". One can make programmatic > changes to get around this, but most programs won't override the > default behavior on their own ... > > Best -- Eliot Moss
The (Linux) default is that terminal I/O is *line* buffered The man page for tee doesn't show an option to change buffering, while that for grep does. Cheers ... Duncan. -- Problem reports: https://cygwin.com/problems.html FAQ: https://cygwin.com/faq/ Documentation: https://cygwin.com/docs.html Unsubscribe info: https://cygwin.com/ml/#unsubscribe-simple
