Thanks a lot, it works a treat. How easy would it be to the script so that it could handle variable length values. E.g 
my @T1 = ( 'a|b|c', 'c|d', 'j|k|l|m', 'm|n|o', 'o|p|q|r|s' );

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In reply to Re^2: Link Connectivity Algorithim by dunkirk_phil
in thread Link Connectivity Algorithim by dunkirk_phil

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