janssene:

Yes, that's possible. it should be something like:

use strict;
use warnings;
use Data::Dump qw(pp);

my @a = qw(now is the time for all good men);
my %h;
add_val(\%h, 'FOO', @a);

print pp(\%h);

sub add_val {
    my ($hashref, $val, @keylist) = @_;
    die "Expected a list of keys!" unless @keylist;
    die "Expected a hashref!" unless "HASH" eq ref $hashref;

    while (@keylist > 1) {
        my $key = shift @keylist;
        $hashref->{$key} = {} if ! exists $hashref->{$key};
        $hashref = $hashref->{$key};
    }
    $hashref->{shift @keylist} = $val;
}

[download]

Untested, your mileage may vary, you can keep all the pieces it might break into, join(", ",@other_disclaimers).

Update: Fixed & tested this time.

...roboticus

When your only tool is a hammer, all problems look like your thumb.

In reply to Re: define a hash-value, using hash-ref and a list of keys by roboticus
in thread define a hash-value, using hash-ref and a list of keys by janssene

Title:
Use:  <p> text here (a paragraph) </p>
and:  <code> code here </code>
to format your post, it's "PerlMonks-approved HTML":


  • Posts are HTML formatted. Put <p> </p> tags around your paragraphs. Put <code> </code> tags around your code and data!
  • Titles consisting of a single word are discouraged, and in most cases are disallowed outright.
  • Read Where should I post X? if you're not absolutely sure you're posting in the right place.
  • Please read these before you post! —
  • Posts may use any of the Perl Monks Approved HTML tags:
    a, abbr, b, big, blockquote, br, caption, center, col, colgroup, dd, del, details, div, dl, dt, em, font, h1, h2, h3, h4, h5, h6, hr, i, ins, li, ol, p, pre, readmore, small, span, spoiler, strike, strong, sub, summary, sup, table, tbody, td, tfoot, th, thead, tr, tt, u, ul, wbr
  • You may need to use entities for some characters, as follows. (Exception: Within code tags, you can put the characters literally.)
            For:     Use:
    & &amp;
    < &lt;
    > &gt;
    [ &#91;
    ] &#93;
  • Link using PerlMonks shortcuts! What shortcuts can I use for linking?
  • See Writeup Formatting Tips and other pages linked from there for more info.