Given your one-to-one mapping between the two arrays (i.e., the same number of elements) and the numbers in @array1 are not repeated, consider the following:

use strict;
use warnings;
use List::Util 'min';

my %hash;
my @array1 = ( 5,   2,   3,   4,   1,   6,   7 );
my @array2 = ( "a", "b", "c", "d", "e", "f", "g" );

my %array1Hash = map { $array1[$_] => $_ } 0 .. $#array1;

@hash{@array1} = @array2;

my $array1Min = min @array1;

print 'The minimum value in @array1 is ', $array1Min, ".\n";

print 'The position of ', $array1Min, ' in @array1 is ',
  $array1Hash{$array1Min}, ".\n";

print 'The element in @array2 at position ', $array1Min, ' is ',
  $hash{ min @array1 }, '.';

[download]

Output:

The minimum value in @array1 is 1.
The position of 1 in @array1 is 4.
The element in @array2 at position 1 is e.

[download]

Two hashes are created. The first (%array1Hash) pairs each element of @array1 with its position in the array. The second (%hash) pairs the elements of @array1 as the keys with the elements of @array2 as values. When you've found the minimum value in @array1, you can use it as the key to get the associated value from @array2.

Hope this helps!

Update: Added printing the min val of @array1 and that element's position in the array.

In reply to Re: min and mindex by Kenosis
in thread min and mindex by Anonymous Monk

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