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How to insert values in 1st occurance out of two occurance in a file

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# 1  
Old 07-02-2008
How to insert values in 1st occurance out of two occurance in a file
Hi
I have a file which contains the following two lines which are same But I would like to insert the value=8.8.8.8 in the 1st occurance line and value=9.9.9.9 in the 2nd occurance line.

<parameter name="TestIp1" value="">
<parameter name="TestIp1" value="">


Please suggest
# 2  
Old 07-02-2008
One way:

Code:
awk 'BEGIN{FS=OFS="\""}
$2=="TestIp1" && i && !j {$4="9.9.9.9";j++}
$2=="TestIp1" && !i {$4="8.8.8.8";i++}
1' file

Regards
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