How to add 'color' in a grep? Post: 303028454

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Top Forums UNIX for Beginners Questions & Answers How to add 'color' in a grep? Post 303028454 by jim mcnamara on Tuesday 8th of January 2019 11:37:20 AM

01-08-2019

Registered User

I'm not sure what is going on for you. Try two separate grep actions (Linux example).
Ex:
grep -o shows ONLY the matching text nothing else on the line
You are looking for 10-JUL in a bunch of logfiles, then you want specific error code ERR 1901a

Code:

grep -f '10-JUL' logfiles*| grep -o 'ERR 1901a'

If you supply us an exact example of your problem we can help you apply this concept, otherwise this is about as good as I can do with what I have. An OS name and a shell name would help improve our answers immensely.

jim mcnamara

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LEARN ABOUT NETBSD

zgrep

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