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Message-ID: <430D94E7.4080700@lucent.com>
Date: Thu, 25 Aug 2005 10:52:39 +0100
From: Adrian Marsh <marsh AT lucent DOT com>
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To: cygwin AT cygwin DOT com
Subject: Diff and grep problems
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I've trying to compare two files using diff from a .bat file :

diff -iX scripts/%2.ignorelist "%difffile1%" "%difffile2%"

The file is a cisco config file. A wc -l of the file tells me its over 500
lines long.

I'm using diff to compare an OLD file to a NEW one.  Constantly a line 
changes value:
590c590
< ntp clock-period 17179951
---
 > ntp clock-period 17179955


So I wanted to exclude the ntp line and I put it in the ignorelist.

The ignorelist contains:

clock-period
Last configuration change
No configuration change
NVRAM config last

But diff constantly returns the same result (file changed). What have I 
done wrong ??


I've also tried using grep as a precursor, but some basic grep tests 
seem to go wrong:

In this below example, I've a file "c.txt" with a single line, "ntp", 
and a copy of the config in a.txt   You can see that a manual grep for 
ntp works, but when I try to use the file, it fails..

C:\backups\__cisco_backups>type c.txt
ntp

C:\backups\__cisco_backups>grep -e ntp a.txt
ntp clock-period 17179955
ntp source Vlan135
ntp server 135.86.68.147

C:\backups\__cisco_backups>grep --file=c.txt a.txt

C:\backups\__cisco_backups>grep --file=c.txt a.txt


A.
-- 
------------------------------------------------------------------------
Adrian Marsh

Mobility Lab Support

*Postal:* Lucent Technologies, The Quadrant, Stonehill Green, Swindon, 
SN5 7DJ, UK 	
Phone: 	/*+44 1793 883361*/
Digital FAX: 	/+44 1793 883361/
Office FAX: 	/+44 1793 897969/

	

EMAIL/: *marsh AT lucent DOT com <mailto:marsh AT lucent DOT com>* /

* No legacy is so rich as honesty. -William Shakespeare *

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