You appear to have the data in two hashes: %seen and %seen2 and you want to merge them. Therefore, try studying the FAQ response: How do I merge two hashes?. Does this provide the answer you require?

In reply to Re: perl to add results of 2 arrays from 2 files together. by hippo
in thread perl to add results of 2 arrays from 2 files together. by john.tm

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