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c:\@Work\Perl\monks>perl -wMstrict -le "use feature 'say'; ... : $d2->ymd .' is greater or equal to ' . $d1->ymd; " 1999-08-01 is greater than 2019-06-08
c:\@Work\Perl\monks>perl -wMstrict -le "use feature 'say'; ... say sprintf '%s is %s %s', $d1->ymd, $comparison, $d2->ymd; " 1999-08-01 is less than 2019-06-08