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#!/usr/bin/perl
use warnings;
use strict;
use v5.10;
package Modules;
use HTTP::Tiny qw();
sub cpan_provider
{
my ($module) = @_;
my $url = "http://cpanmetadb.plackperl.org/v1.0/package/$module";
my $http = HTTP::Tiny->new;
my $resp = $http->get($url);
return undef unless $resp->{'success'};
my ($cpanpath) = $resp->{'content'} =~ /^distfile: (.*)$/m
or return undef;
my $dist = $cpanpath;
$dist =~ s{\A.+/}{}; # remove author directory
$dist =~ s{-[^-]+\z}{}; # remove version and extension
$dist =~ s/-/::/g;
return ($dist eq 'perl' ? undef : $dist);
}
package main;
my %seen = ();
my @modules;
if (@ARGV == 0) {
# no args? read from stdin
@modules = <>;
} else {
@modules = @ARGV;
}
for my $module (@modules) {
chomp($module);
next if ($module eq "");
my $dist = Modules::cpan_provider $module;
next unless $dist; # ignore undef
next if $seen{$dist}++; # ignore duplicates
say $dist;
}
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