On Sat, 31 Aug 2024 09:59:11 -0600 Jim Reisert AD1C wrote: > Something has changed in the last month or two. I have a very large > file I am trying to grep (465 MB): > > -rwxrw----+ 1 jjrei jjrei 465092052 Aug 31 09:39 all_spots.txt > > > If I grep for something near the end of the file, the results return right > away: > > # time grep -n N0FUL all_spots.txt > > 17027336:N0FUL,20240615,20240615,1 > 17027337:N0FUL,20240629,20240629,1 > > real 0m0.190s > user 0m0.078s > sys 0m0.078s > > > If I pipe the file through cat, grep takes much longer: > > # time cat all_spots.txt | grep -n N0FUL > > 17027336:N0FUL,20240615,20240615,1 > 17027337:N0FUL,20240629,20240629,1 > > > real 1m4.934s > user 0m0.031s > sys 0m0.124s
Thanks for the report. This seems to be a regression of cygwin 3.5.4. I'll submit a patch for this issue shortly. -- Takashi Yano <takashi.y...@nifty.ne.jp> -- 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
