Adam Dinwoodie wrote: > From `mad sed`: > > -u, --unbuffered > > load minimal amounts of data from the input files and flush the output > buffers more often > > If you add the -u option, sed will buffer less and write to the pipe more > often. I would guess this isn't the default as it's less efficient, but > haven't done anything to verify that. > > I believe `cat` never buffers, but I base this on nothing but instinct. > > A quick experiment on my handy RHEL box implies this is not Cygwin specific; > the following command shows buffering behaviour too: > > tail -f tmpfile | sed 's/e/E/g' | tee outfile > > (I'm using the pipelines so I can see what's going on without sed thinking > stdin or stdout are a terminal.)
Thanks a lot for your reply. Sven -- Mit freundlichen Grüßen Dipl. Inform. Sven Severus Softwareentwicklung ---------------------------------------------------------- HIMA Paul Hildebrandt GmbH + CO KG Abt: Entwicklung Software Albert-Bassermann-Strasse 28 68782 Bruehl Germany Tel: +49 6202 709-289 Fax: +49 6202 709-299 E-Mail: s.seve...@hima.com Internet: www.hima.de -- HIMA Paul Hildebrandt GmbH + Co KG, Albert-Bassermann-Str. 28, 68782 Bruehl bei Mannheim Kommanditgesellschaft, Sitz Bruehl, Deutschland - Registergericht Mannheim HRA 421017 Ust-ID: DE 144286400, St.Nr: 43038 00190 Persoenlich haftende Gesellschafterin Paul Hildebrandt Verwaltungsgesellschaft mbH, Sitz Bruehl, Deutschland - Registergericht Mannheim HRB 420588 Geschaeftsfuehrer: Dipl.-Betriebswirt Steffen Philipp -- Problem reports: http://cygwin.com/problems.html FAQ: http://cygwin.com/faq/ Documentation: http://cygwin.com/docs.html Unsubscribe info: http://cygwin.com/ml/#unsubscribe-simple
