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anchoring regex using case and ksh
Post 302219588 by popeye on Tuesday 29th of July 2008 02:43:32 PM
07-29-2008
anchoring regex using case and ksh
Outside this process I built a file containing snmp response filtering for hostname, model type and ios version.
I want to get a count across the network of those devices running 11.x code, 12.0 mainline, 12.0 T train and above, 12.1 and above and OS levels.
This works ok .. but its cheap
How can use case ? the obvious didnt work. I guess I dont know how to anchor the regex.
grep " 11\.[0-9]" seedfile$hf > 11_$hf
grep " 12\.0" seedfile$hf | grep "]$" > 12_0_$hf
grep " 12\.0" seedfile$hf | grep -v "]$" > 12_1_$hf
grep " 12\.[1-9]" seedfile$hf >> 12_1_$hf
grep " [1-9]\.[1-9]\{1,\}" seedfile$hf > 7_$hf
I want to get a count across the network of those devices running 11.x code, 12.0 mainline, 12.0 T train and above, 12.1 and above and OS levels.
This works ok .. but its cheap
How can use case ? the obvious didnt work. I guess I dont know how to anchor the regex.
grep " 11\.[0-9]" seedfile$hf > 11_$hf
grep " 12\.0" seedfile$hf | grep "]$" > 12_0_$hf
grep " 12\.0" seedfile$hf | grep -v "]$" > 12_1_$hf
grep " 12\.[1-9]" seedfile$hf >> 12_1_$hf
grep " [1-9]\.[1-9]\{1,\}" seedfile$hf > 7_$hf
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LEARN ABOUT NETBSD
zegrep
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