04-24-2019
Search for word in huge logfile and need to continue to print few lines from that line til find date
Guys i need an idea for one logic..in shell scripting am struggling with a logic...So the thing is... i need to search for a word in a huge log file and i need to continue to print few more lines from that line and the consecutive line has to end when it finds the line with date..because i know only the date which is first field...
Eg:
Am having huge log file -file.log
I need to grep a word like "ERROR" from that file so the output will start with date-2019-04-24
2019-04-24 ........
The problem is am getting only that line while using grep and awk command on searching for a pattern. But i need to few more lines after searching that word in that log file till the lines which start with the date...why because to get the complete content of that error.
So when i get another line which start with 2019-04-24 then till that content i need to print...
Am trying so far...can anyone help
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petitboot-twin
petitboot-twin(8) BSD System Manager's Manual petitboot-twin(8)
NAME
petitboot-twin -- Petitboot twin bootloader UI
SYNOPSIS
petitboot-twin [-d, --start-daemon] [-h, --help] [-l, --log log-file] [-V, --version] [-f, --fbdev] [-x, --x11]
DESCRIPTION
petitboot-twin is a twin based interface to the Petitboot bootloader.
Petitboot is a Linux kexec based bootloader that supports loading Linux kernel and initrd images from any device that can be mounted by
Linux. It can also load images from the network using the HTTP, HTTPS, NFS, SFTP, and TFTP protocols.
OPTIONS
-d, --start-daemon
Start pb-discover, the petitboot dynamic device discovery daemon, if it has not been started. This option is mainly useful when run-
ning petitboot as a stand-alone application.
-h, --help
Print a help message.
-l, --log log-file
Log messages to the file log-file. The default log is a file /var/log/petitboot-twin.log. New messages are appended to an existing
log file.
-V, --version
Display the program version number.
SEE ALSO
petitboot(8), pb-twin(8), pb-discover(8), pb-event(8)
REPORTING BUGS
Send bug reports to Geoff Levand <geoff @ infradead.org>
BSD
June 1, 2019 BSD