Install all favorited distributions

cpan_favorites.pl

#!/usr/bin/env perl
use strict;
use warnings;
use 5.010;
use Mojo::UserAgent;

my $url = shift @ARGV or die "Usage: $0 metacpan_author_url";
my $ua  = Mojo::UserAgent->new;

my $dom = $ua->get($url)->res->dom;
my @modules = $dom->find('td.release a')->pluck('text')->each;

for my $module (@modules) {
    $module =~ s/-/::/g;
    qx/cpanm $module/;
}

gistfile1.sh

# and another solution proposed from Stephen Thirlwall (sdt) (see comment below)

cpan_favorites() {
  perl -Mojo -E "g('https://metacpan.org/author/$1')->dom('td.release a')->pluck('text')->each(sub{s/-/::/g;say})"
}

See also TOKUHIROM's version.

Thanks @dolmen. Just saw the tweet and was checking it out ;)