Update: After a day and a half of manual debugging, I figured out what the problem is. The script can't print the sub-elements of @matchBook because I am assigning the array @bookinfo as an element of @matchBook incorrectly. It should be:

$matchBook[$numMatches] = [@bookinfo] unless...
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Thanks for the help though.

-- Zenon Zabinski    Go Bells!! '¿'