Please read the entire posting before shooting of a reply. Had you bothered to read the entire first paragraph (I know, I know, it's three lines, waaaaaaay too long), you could have read:
In real time I should check does a new value exist in my set and if not to add it.
Resorting a million record file each time a record in added isn't very efficient.

In reply to Re^2: How to remove duplicates from a large set of keys by Anonymous Monk
in thread How to remove duplicates from a large set of keys by nite_man

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