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Top Forums Shell Programming and Scripting Extended grep not matching some patterns Post 303009905 by rakeshkumar on Thursday 21st of December 2017 10:27:11 PM
Old 12-21-2017
Extended grep not matching some patterns

i have a file where the hostnames and variables are in same line in below format, am able extract some part variables while otherlike subscriptions and handler is missing.

can you please correct me if grep is able to perform this ?


Code:
cat /tmp/test
localhost subscriptions='["production", "masters", "fileserver", "cldb", "nfs"]' handler="genie"
host1.localhost.com a=apple
host2.localhost.com b=ball c=cat

raavula@qaphdm001:~/deployment/ansible$ grep -Eo "\w+=\w+" /tmp/test
a=apple
b=ball
c=cat

 

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ZGREP(1)						    BSD General Commands Manual 						  ZGREP(1)

NAME
zgrep, zegrep, zfgrep -- print lines matching a pattern in gzip-compressed files SYNOPSIS
zgrep [grep-flags] [--] pattern [files ...] zegrep [grep-flags] [--] pattern [file ...] zfgrep [grep-flags] [--] pattern [file ...] DESCRIPTION
zgrep runs grep(1) on files or stdin, if no files argument is given, after decompressing them with zcat(1). The grep-flags and pattern arguments are passed on to grep(1). If an -e flag is found in the grep-flags, zgrep will not look for a pattern argument. zegrep calls egrep(1), while zfgrep calls fgrep(1). EXIT STATUS
In case of missing arguments or missing pattern, 1 will be returned, otherwise 0. SEE ALSO
egrep(1), fgrep(1), grep(1), gzip(1), zcat(1) AUTHORS
Thomas Klausner <wiz@NetBSD.org> BSD
December 28, 2003 BSD
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