Date: Fri, 11 Aug 2006 20:19:36 -0700 From: Sam Leffler <sam@errno.com> To: Julian Elischer <julian@elischer.org> Cc: current@freebsd.org Subject: Re: suggested addition to 'date' Message-ID: <44DD48C8.7000805@errno.com> In-Reply-To: <44DD4510.5070002@elischer.org> References: <44DD4510.5070002@elischer.org>
next in thread | previous in thread | raw e-mail | index | archive | help
Julian Elischer wrote: > At various times I've wanted to add timestamps to logfiles as they are > generated.. > > usually this has involved perl or something to do it. > > finally I broke down and just added a small bit to date(1) > > the -s option tells date to add a timestamp on the front of every line > read in through stdin > and put it out through stdout. teh format of the datestamp is governed > exactly as usual so: > > %ls | ./date -s +"%+: " > Fri Aug 11 19:53:34 PDT 2006: CVS > Fri Aug 11 19:53:34 PDT 2006: Makefile > Fri Aug 11 19:53:34 PDT 2006: date > Fri Aug 11 19:53:34 PDT 2006: date.1 > Fri Aug 11 19:53:34 PDT 2006: date.1.gz > Fri Aug 11 19:53:34 PDT 2006: date.c > Fri Aug 11 19:53:34 PDT 2006: date.o > Fri Aug 11 19:53:34 PDT 2006: extern.h > Fri Aug 11 19:53:34 PDT 2006: netdate.c > Fri Aug 11 19:53:34 PDT 2006: netdate.o > Fri Aug 11 19:53:34 PDT 2006: vary.c > Fri Aug 11 19:53:34 PDT 2006: vary.h > Fri Aug 11 19:53:34 PDT 2006: vary.o > %ls | ./date -s +"%s: " > 1155351474: CVS > 1155351474: Makefile > 1155351474: date > 1155351474: date.1 > 1155351474: date.1.gz > 1155351474: date.c > 1155351474: date.o > 1155351474: extern.h > 1155351474: netdate.c > 1155351474: netdate.o > 1155351474: vary.c > 1155351474: vary.h > 1155351474: vary.o > % > I attach the diff. > I'm sure that someone who is a more competent practicioner of userland C > programming > can probably clean this up abit. > > do people think this is a worthwhile addition? > > An easy to imagine use for this is to add it in the makefile for /usr so > that "make buildworld" datestamped its output > (for example). > > it makes it easy to timestamp output from a console logger for example: pbj% ls | sed -e "s/^/`date +'%+: '`/" Fri Aug 11 20:18:05 PDT 2006: Desktop Fri Aug 11 20:18:05 PDT 2006: Desktop DB Fri Aug 11 20:18:05 PDT 2006: Desktop DF Fri Aug 11 20:18:05 PDT 2006: Documents Fri Aug 11 20:18:05 PDT 2006: Library Fri Aug 11 20:18:05 PDT 2006: Movies ...
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?44DD48C8.7000805>