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Full Discussion: Search Replace and Update a file
Top Forums Shell Programming and Scripting Search Replace and Update a file Post 302468856 by raghu_shekar on Thursday 4th of November 2010 03:59:34 AM
Old 11-04-2010
Search Replace and Update a file
hi,
I am stuck at a place. Please help me out. Here is what i need to do.
Search for a pattern in a propertyfile and change only at one occurance. I have these statements and assignment as a part of the propertyfile
Code:
 #Note : The Address should be replaced with actual address dynamically.
 ServerName=Address

Now i want to search the propertyfile, and change Address only in the assignment and not in the comment. Somethinglike
Code:
#Note : The Address should be replaced with actual address dynamically.
 ServerName=Actual Address

Here is what is my thought:
Code:
x=`grep ServerName Property.file |awk -F= '{print $2}'`
sed -i "s/$x/Actual Address/" Property.file

But the above code will replace "Address" with "Actual Address" even in the comment part.
how can i achieve this... Is there a way i can use sed inside awk, or pipe the result of awk to sed and change the property file
Any help is greately appriciated
 

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LEARN ABOUT DEBIAN

stund

STUND(8)																  STUND(8)

NAME

       stund - STUN protocol (Simple Traversal of UDP through NATs) Server

SYNTAX

       stund [-v] [-h IP Address] [-a Secondary IP Address ] [-p port ] [-o port ]  [-b  ] [-m	]

       STUN servers needs two IP addresses and two ports

DESCRIPTION

       STUN  Servers are used to help clients behind NAT to tunnel incoming calls through. This server is the counterpart to help the client iden-
       tify the NAT and have it open the proper ports for it

OPTIONS

       -v     Verbose output.

       -h <IP Address>
	      Define the Main IP Address.

       -a <IP Address>
	      Define the Second IP Address.

       -p <Port>
	      Set the primary port the default port value is 3478

       -o <Port>
	      Set the secondary port the default port value is 3479 -b Detach the process and makes the program run at the background

       -m <Port>
	      Sets a starting port for the STERM server

       --help Prints useful help

EXAMPLES

       If the IP addresses of your NIC are 10.0.1.150 and 10.0.1.151 the proper and default use would be:

       stund  -h 10.0.1.150 -a 10.0.1.151

       add -b option to detach the process

       stund  -h 10.0.1.150 -a 10.0.1.151 -b

AUTHORS

       This manual page was written by Rene  Mayorga  <rmayorga@debian.org.sv> for  the  Debian  system  (but  may  be used by	others).   Permis-
       sion  is granted to copy, distribute and/or modify this document under the terms of  the  GNU  General  Public License, Version 2 any later
       version published by the Free Software Foundation.

       On Debian systems, the complete text of the GNU General Public  License can be found in /usr/share/common-licenses/GPL.

SEE ALSO

       stun(1)

Debian Project							    2007 Aug 31 							  STUND(8)
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