Hi QM, Your code has bee very helpful. Afters days of searching I now finally found this post/site and has given me faith I can do what I need (only a Perl beginner/hacker) Wondering if you could please help me do somthing like this.. which counts and is additive on multiple line items. id1 id2 int 208 10000 1 208 10000 7 207 10000 3 8517 1147 1 3551 1147 2 id1\id2 1147 10000 207 0 3 208 0 8 3551 1 0 8517 1 2 I will be forever in your gratitude!

In reply to Re^3: how to convert two lists into adjacency matrix by jaybode
in thread how to convert two lists into adjacency matrix by koleti

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