I have a 2D array structured as below. I want to search the first column only for "goat" and return the index value, in this case 2. However, using map or grep, it returns 1. Can anyone help me resolve this conundrum. The only way I can think of this is with a for loop that checks each item at column 0 in the array. However, I would like a faster processing method if at all feasible. Thank you 
#!/usr/bin/perl

use strict;
use warnings;

my @array=();
$array[0][0] = "ape";
$array[0][1] = "bear";
$array[0][2] = "cat";
$array[1][0] = "dog";
$array[1][1] = "emu";
$array[1][2] = "fox";
$array[2][0] = "goat";
$array[2][1] = "horse";
$array[2][2] = "ibex";

my $result2 = map { $array[$_][0] =~ /goat/ ? $_ : () } 0..$#array;
my $result3 = grep { $array[$_][0] =~ /goat/ } 0..$#array;

print "R2: $result2 R3: $result3 \n";

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In reply to Index 2D Array by RHC_ICT

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