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#!/usr/bin/perl
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#
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#
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# Copyright (c)2020 seasharp@libre.audio
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#
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# Redistribution and use in source and binary forms, with or without
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# modification, are permitted provided that the following conditions are met:
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#
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# 1. Redistributions of source code must retain the above copyright notice,
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# this list of conditions and the following disclaimer.
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#
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# 2. Redistributions in binary form must reproduce the above copyright notice,
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# this list of conditions and the following disclaimer in the documentation
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# and/or other materials provided with the distribution.
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#
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# Subject to the terms and conditions of this license, each copyright holder
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# and contributor hereby grants to those receiving rights under this license a
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# perpetual, worldwide, non-exclusive, no-charge, royalty-free, irrevocable
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# (except for failure to satisfy the conditions of this license) patent license
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# to make, have made, use, offer to sell, sell, import, and otherwise transfer
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# this software, where such license applies only to those patent claims,
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# already acquired or hereafter acquired, licensable by such copyright holder
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# or contributor that are necessarily infringed by:
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#
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# (a) their Contribution(s) (the licensed copyrights of copyright holders and
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# non-copyrightable additions of contributors, in source or binary form) alone;
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# or
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#
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# (b) combination of their Contribution(s) with the work of authorship to which
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# such Contribution(s) was added by such copyright holder or contributor, if,
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# at the time the Contribution is added, such addition causes such combination
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# to be necessarily infringed. The patent license shall not apply to any other
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# combinations which include the Contribution.
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#
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# Except as expressly stated above, no rights or licenses from any copyright
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# holder or contributor is granted under this license, whether expressly, by
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# implication, estoppel or otherwise.
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#
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# DISCLAIMER
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#
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# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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# AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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# ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDERS OR CONTRIBUTORS BE
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# LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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# CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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# SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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# INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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# CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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# ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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# POSSIBILITY OF SUCH DAMAGE.
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use strict;
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use warnings;
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my $YouTubeRSSFormat = "/feeds/videos.xml?";
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my $ChannelFormat = "${YouTubeRSSFormat}channel_id=";
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my $UserFormat = "${YouTubeRSSFormat}user=";
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my $PlaylistFormat = "${YouTubeRSSFormat}playlist_id=";
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print "Please enter the YouTube Channel URL: ","\n";
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while (<>) {
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my $YouTubeURL = $_ if $_ =~ m[http[s]?:\/\/.*\.youtube\.com\/(channel|user|[a-zA-Z=?]*[?&]list=PL).*$];
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my $OutputURL;
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if ($YouTubeURL =~ /.*\/channel\/.*$/) {
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print "This is a Channel\n";
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$OutputURL = $YouTubeURL =~ s/\/channel\//$ChannelFormat/r
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} elsif ($YouTubeURL =~ /.*\/user\/.*$/) {
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print "This is a User\n";
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$OutputURL = $YouTubeURL =~ s/\/user\//$UserFormat/r
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} elsif ($YouTubeURL =~ /.*\/[a-zA-Z?=]*[?&]list=PL.*$/) {
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print "This is a Playlist\n";
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$OutputURL = $YouTubeURL =~ s/\/[a-zA-Z=?]*[?&]list=/$PlaylistFormat/r
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} else { print "No idea what this is.\n"; }
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print $OutputURL;
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}
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#if ($YouTubeURL =~ m[http[s]?:\/\/.*\.youtube\.com\/(channel|user|playlist&list=pl).*$])
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## Channel uuid match expression
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# $YouTubeURL =~ s/channel/something/;
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# print "Match: ",$YouTubeURL,"\n";
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#} else { print "No match\n";}
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