$_ = sprintf '%04d-%02d-%02d', (split m:/:)[2, 0, 1] for @fields[10, 14, 24, 26]; #### #!/usr/bin/perl use warnings; use strict; use feature qw{ say }; my @fields = 'a' .. 'z'; @fields[ 10, 14, 24, 26] = ('1/2/2016') x 4; $_ = sprintf '%04d-%02d-%02d', (split m:/:)[ 2, 0, 1 ] for @fields[ 10, 14, 24, 26 ]; say join ',', @fields; #### ($q=q:Sq=~/;[c](.)(.)/;chr(-||-|5+lengthSq)`"S|oS2"`map{chr |+ord }map{substrSq`S_+|`|}3E|-|`7**2-3:)=~y+S|`+$1,++print+eval$q,q,a,