amw1,
No need to use evil eval, this should do it: 
#!/usr/bin/perl
use strict;
use warnings;

my @foo = 1..5;
my %hash;
my $ref = \%hash;
for ( 0 .. $#foo ) {
    $ref->{ $foo[$_] } = $_ == $#foo ? undef : {};
    $ref = $ref->{ $foo[$_] };
}

[download]
The question is - why?

Cheers - L~R

In reply to Re: Array to nested hash by Limbic~Region
in thread Array to nested hash by amw1

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