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Pattern matching and replace in shell script

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# 1  
Old 04-28-2014
Pattern matching and replace in shell script
Hi

I want to find a line in a file which contains a word and replace the patterns.

Sample file content temp.xml
====================

Code:
<applications>
    <application>
        Name="FirstService"
        location="http://my.website.selected/myfirstService/V1.0/myfirst.war"
    </application>
    <application>
        Name="FirstService"
        location="http://my.website.selected/mysecondService/V1.0/mysecond.war"
    </application>
</applications>

Now, I want to search a work "myfirstService" in above file and replace the line with say location="/home/usr/st.war".

Same way.. I want to search a word mysecondService and replace with say location="/home/usr/sn.war"

Thanks,
Sakthi
Moderator's Comments:
Mod Comment Please use CODE tags when displaying sample input, output, and code as required by forum rules.
Last edited by Don Cragun; 04-28-2014 at 11:34 PM.. Reason: Add CODE and ICODE tags.
# 2  
Old 04-28-2014
You could try something like:
Code:
sed '/myfirstService/s,=.*,="/home/usr/st.war",
/mysecondService/s,=.*,="/home/usr/sn.war",' temp.xml

which for you sample input produces:
Code:
<applications>
    <application>
        Name="FirstService"
        location="/home/usr/st.war"
    </application>
    <application>
        Name="FirstService"
        location="/home/usr/sn.war"
    </application>
</applications>

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