#!/usr/bin/perl --
use strict;
use warnings;
use Data::Dump qw/ dd /;
my $line = "k1:v1  k2:v2   k3:v3";
my %pairs;
while( $line =~ m{\b([^:\s]+):([^:\s]+)\b}g ){
    my( $k, $v ) = ( $1, $2 );
    $pairs{$k}=$v;
}
dd( \%pairs );
if( delete $pairs{'k3'} ){
    %pairs = ( k3 => { %pairs } );
}
dd( \%pairs );
__END__
{ k1 => "v1", k2 => "v2", k3 => "v3" }
{ k3 => { k1 => "v1", k2 => "v2" } }

[download]

In reply to Re: Adding an element of an array as a key for a Hash, and remaining elements as its value (would also be a hash) by Anonymous Monk
in thread Adding an element of an array as a key for a Hash, and remaining elements as its value (would also be a hash) by abhiram10

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.