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How to replace Ip address in .xml file through shell script?

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Operating Systems Linux Red Hat How to replace Ip address in .xml file through shell script?
# 8  
Old 08-25-2015
Quote:
Originally Posted by Anjan Ganguly
See my input from file is
... ... ...
Is that clear now?
Moderator's Comments:
Mod Comment PLEASE use CODE tags as required by forum rules for ALL sample input, ALL sample output, and ALL sample code segments.
Yes. You have an xml file. In that xml file you want to change four specific IP addresses to four other specific IP addresses. There is no pattern to the changes to be made to those IP addresses.

So, the commands:
Code:
sed 's/"172.27.166.170"/"172.27.166.178"/g
s/"172.27.166.171"/"172.27.166.179"/g
s/"172.27.166.202"/"172.27.166.226"/g
s/"172.27.166.203"/"172.27.166.227"/g' file.xml > file.xml.$$ && cp file.xml.$$ file.xml
rm -f file.xml.$$

This User Gave Thanks to Don Cragun For This Post:
Anjan Ganguly
# 9  
Old 08-25-2015
If I want to store the ip address in a variable e.g. for the below line
<ParamString StringId="PortAddress" StringValue="172.27.166.170" />I want to store .166.170 in a variable and replace that variable with value 166.178 and replace StringValue to "172.27.166.178" from 172.27.166.170 in the same file and so on.How can I do this?
# 10  
Old 08-25-2015
Adapting DonC's code:
Code:
sed 's/"172.27'"${oldValue}"'"/"172.27'"${newValue}"'"/g file.xml > file.xml.$$ && cp file.xml.$$ file.xml
rm -f file.xml.$$

Note that XML allows for either single or double quotes, so:
Code:
sed 's/["\']172.27'"${oldValue}"'["\']/"172.27'"${newValue}"'"/g file.xml > file.xml.$$ && cp file.xml.$$ file.xml

This will change the singlequotes to doublequotes, but that is acceptable for attribute values.
Last edited by derekludwig; 08-26-2015 at 05:14 AM.. Reason: forgot to escape the singlequote
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