If you're on *nix or are using something like Cygwin, you don't even need to write a program. Use the sort utility:

sort -u -o file file

[download]
substituting for file as appropriate.

This has the side effect of sorting the file, but you didn't indicate whether that was desirable or not.

In reply to Re: Help on deleting Duplicate enteries by VSarkiss
in thread Help on deleting Duplicate enteries by Anonymous Monk

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