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Top Forums Shell Programming and Scripting Combine logs span across multiple lines Post 302988066 by mohanalakshmi on Tuesday 20th of December 2016 07:12:49 AM
Old 12-20-2016
Combine logs span across multiple lines

Hi All,
I am having a log file

Code:
ERROR 2016-12-08 10:22:23.542 some data
**** some data******
**** some data******
**** some data******
DEBUG 2016-12-08 10:23:23.542 some data
**** some data******
**** some data******
**** some data******

when i grep the log file with
Code:
ERROR

am getting only the first line, but actual log line with respect to that timestamp spans across multiple lines.
Would like to know how we can combine the log lines in one line to get the entire line as a part of grep comand
 

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ZGREP(1)                                                      General Commands Manual                                                     ZGREP(1)

NAME
zgrep - search possibly compressed files for a regular expression SYNOPSIS
zgrep [ grep_options ] [ -e ] pattern filename... DESCRIPTION
Zgrep invokes grep on compressed or gzipped files. These grep options will cause zgrep to terminate with an error code: (-[drRzZ]|--di*|--exc*|--inc*|--rec*|--nu*). All other options specified are passed directly to grep. If no file is specified, then the standard input is decompressed if necessary and fed to grep. Otherwise the given files are uncompressed if necessary and fed to grep. If the GREP environment variable is set, zgrep uses it as the grep program to be invoked. EXIT CODE
2 - An option that is not supported was specified. AUTHOR
Charles Levert (charles@comm.polymtl.ca) SEE ALSO
grep(1), gzexe(1), gzip(1), zdiff(1), zforce(1), zmore(1), znew(1) ZGREP(1)
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