Create a list of CPAN distributions where the dist name in the metadata doesn't match the distname as embedded in the release file name

cpan-bad-dist-names.pl

#!/usr/local/bin/perl
#
# This find dists where the distname in the metadata doesn't match the name of the
# dist as embedded in the release file name.
#
use strict;
use warnings;
use MetaCPAN::Client;
use CPAN::DistnameInfo;

my $client     = MetaCPAN::Client->new();
my $query      = {
                    all    => [
                                  { status   => 'latest' },
                                  { maturity => 'released' },
                              ],
                 };
my $params     = {
                    fields => [
                                qw(metadata download_url version)
                              ],
                 };
my $result_set = $client->release($query, $params);
my $scroller   = $result_set->scroller;

while (my $result = $scroller->next ) {
    my $release  = $result->{fields};
    my $distname = $release->{metadata}->{name};
    my $path     = $release->{download_url};
       $path     =~ s!^.*/authors/id/!!;
    my $distinfo = CPAN::DistnameInfo->new($path);

    next unless defined($distinfo) && defined($distinfo->dist);

    if ($distinfo->dist ne $distname) {
        printf "%s\n    Metadata: %s\n    CDI dist: %s\n\n", $path, $distname, $distinfo->dist;
    }
}