Perl Style: From Perlstyle (part 2)

No space between function name and its opening parenthesis.
Space after each comma.
Long lines broken after an operator (except `and' and `or').
Space after last parenthesis matching on current line.
Line up corresponding items vertically.
Omit redundant punctuation as long as clarity doesn't suffer.
Use here documents instead of repeated print() statements.
Line up corresponding things vertically, especially if it'd be too long to fit on one line anyway.

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