The ||= performs an assignment only when the lvalue is false. "$x ||= $y" is equivalent to "if ( ! $x ) { $x = $y }".

In this case, if $sheet->{MaxRow} doesn't have a non-zero value, it takes the value of $sheet->{MinRow}.

In reply to Re: Logical Assignment Op (with Spreadsheet::ParseExcel) by kyle
in thread Logical Assignment Op (with Spreadsheet::ParseExcel) by mikb

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