Parsing a CSV file and deleting all rows on condition
Hello list,
I am working on a csv file which contains two fields per record which contain IP addresses. What I am trying to do is find records which have identical fields(IP addresses) which occur 4(four) times, and if they do, delete all records with that specific identical field(ip address).
for example, the csv looks like this:
so I want to parse the csv and delete the following rows where the ip address in field 2 is identical for 4 occurrences:
any ideas?
thanks.
Last edited by Franklin52; 06-08-2011 at 04:01 AM..
Reason: Please use code tags
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