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Need to pass value in sed command

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# 1  
Old 11-07-2012
Need to pass value in sed command
Hi,

I have a file a.xml containing the below
Code:
<customerId>000</customerId>

and a variable CUSTOMER_ID which is set to '333'

Now I want to replace <customerId>000</customerId> with <customerId>333</customerId> by the below sed command and save the output in a file b.xml:
Code:
sed 's/<customerId>\([0-9]*\)/<customerId> ${CUSTOMER_ID}/' a.xml > b.xml

But when I open b.xml after running the sed command, I see the below result :
Code:
<customerId> ${CUSTOMER_ID}</customerId>

Please help.
Last edited by Franklin52; 11-07-2012 at 06:52 AM.. Reason: Please use code tags for data and code samples
# 2  
Old 11-07-2012
use double quotes
Code:
 
 
$ CUSTOMER_ID=300
$ echo "<customerId>000</customerId>" | sed "s/<customerId>[0-9]*/<customerId>${CUSTOMER_ID}/"
<customerId>300</customerId>

# 3  
Old 11-07-2012
Code:
sed 's/<customerId>\([0-9]*\)/<customerId>'"$CUSTOMER_ID"'/' a.xml > b.xml

# 4  
Old 11-07-2012
Many thanks. The solutions worked.
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