Am I missing something obvious, or doing something dumb (or both?)

Unfortunately, I think so. You're using $1 and $2 when you probably just want 1 and 2. 

$data{$system}{$fields[$1]} = $fields[$2];  # problem here

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-xdg

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In reply to Re: Help with printing values from a hash of hashes by xdg
in thread Help with printing values from a hash of hashes by blueflashlight

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