I need to convert the following into forloops.

Thanks for help. 

my @matrix=([qw(1 2 4 4)],[qw(5 2 0 8)],[qw(9 10 11 12)],);

my @t = map{my $c=$_; my $z=1;[grep $z&=/[^0]/, map{$matrix[$_][$c]}0.
+.$#matrix]}0..$#{$matrix[0]};

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In reply to Perl For loops by d2caetano

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