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09-26-2008
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Remove duplicate rows of a file based on a value of a column
Hi,
I am processing a file and would like to delete duplicate records as indicated by one of its column. e.g. COL1 COL2 COL3 A 1234 1234 B 3k32 2322 C Xk32 TTT A NEW XX22 B 3k32 2322 I want the file not to contain duplicate COL1. i.e. the file should only contain the ff: COL1 COL2 COL3 A 1234 1234 B 3k32 2322 C Xk32 TTT The records with duplicate COL1 were deleted. Anybody who has suggestions on how to do this? Thank you. |
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