On 10/18/07, Pedro Soto <[EMAIL PROTECTED]> wrote:
> Dear all,
> I am trying to make a matrix out of a file (row-columns) using perl. In
> particular I would like to print the first row of an array of arrays which
> contains the headings of the file.
> I tried to do it but I can't print it. If used $AoA[0], I get the reference
> to the array.How can I deference it?
snip
An AoA stores the row (or y values) in the first offset and the column
(or x values) in the second offset, so you should access it like
$AoA[$y][$x], or preferably with the iterator version of the for loop:
#! usr/local/bin/perl
use warnings;
use strict;
my @AoA;
open my $in, '<', "genotypes_piece"
or die "I can not open file:$!\n";
push @AoA, [ split ] while <$in>;
my $y = 0;
for my $row (@AoA) {
my $x = 0;
for my $col (@$row) {
print "At X=$x, Y=$y is $col which should also be
$AoA[$y][$x]\n";
$x++;
}
$y++;
}
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