Thank you liverpole. I was just reading about using "my" and your post confirmed this is what I ought to do. My useage of tie::file seems to be the only thing holding back this script now. The only error I now get is this:

usage: tie @array, Tie::File, filename, [option => value]... at ./SS7Merge line 42

Thanks again,
Stephen

In reply to Re^4: Merging specific data from 2 files into a third. by sheasbys
in thread Merging specific data from 2 files into a third. by sheasbys

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