03-10-2009
Show date/time with tail|grep command
Hi,
I have a log file without date/time, and I want that everytime tail|grep find something it displays the date/time and the line. I have tried something like this command but without any luck to display the date/time:
tail -F catalina.out | sed "s/^/`date `/" | egrep 'Fatal|delimiter|structures'
It displays the date/time but the date/time when I executed the command, not when the match happened.
Any ideas?
Thanks.
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LEARN ABOUT CENTOS
iso8601
PACEMAKER(8) System Administration Utilities PACEMAKER(8)
NAME
Pacemaker - Part of the Pacemaker cluster resource manager
SYNOPSIS
iso8601 command [output modifier]
DESCRIPTION
iso8601 - Display and parse ISO8601 dates and times
OPTIONS
-?, --help
This text
-$, --version
Version information
-V, --verbose
Increase debug output
Commands:
-n, --now
Display the current date/time
-d, --date=value
Parse an ISO8601 date/time. Eg. '2005-01-20 00:30:00 +01:00' or '2005-040'
-p, --period=value
Parse an ISO8601 date/time with interval/period (wth start time). Eg. '2005-040/2005-043'
-D, --duration=value
Parse an ISO8601 date/time with duration (wth start time). Eg. '2005-040/P1M'
-E, --expected=value
Parse an ISO8601 date/time with duration (wth start time). Eg. '2005-040/P1M'
Output Modifiers:
-s, --seconds
Show result as a seconds since 0000-001 00:00:00Z
-S, --epoch
Show result as a seconds since EPOCH (1970-001 00:00:00Z)
-L, --local
Show result as a 'local' date/time
-O, --ordinal
Show result as an 'ordinal' date/time
-W, --week
Show result as an 'calendar week' date/time
For more information on the ISO8601 standard, see: http://en.wikipedia.org/wiki/ISO_8601
AUTHOR
Written by Andrew Beekhof
REPORTING BUGS
Report bugs to pacemaker@oss.clusterlabs.org
Pacemaker 1.1.10-29.el7 June 2014 PACEMAKER(8)