274 lines
7.0 KiB
Perl
Executable File
274 lines
7.0 KiB
Perl
Executable File
#!/usr/bin/perl
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# Copyright (C) 2019 Quentin GIBEAUX <qgibeaux@april.org>
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# Copyright (C) 2019 Frédéric COUCHET <fcouchet@april.org>
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# Copyright (C) 2019 Christian Pierre MOMON <cmomon@april.org>
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#
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# This file is part of lav-outils from "April/Libre à vous !"
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#
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# This script is free software: you can redistribute it and/or modify
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# it under the terms of the GNU Affero General Public License as
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# published by the Free Software Foundation, either version 3 of the
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# License, or (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU Affero General Public License for more details.
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#
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# You should have received a copy of the GNU Affero General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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use strict;
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use Getopt::Long;
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use JSON;
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use Data::Dumper;
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use utf8;
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my ($help,$config,$verbose,$dryrun);
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my $meta_data_script = "lav-outils/podcasts/scripts/make-metadata-image-podcast.sh";
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my $verbose;
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my $mp3;
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my $textwebpage="<ul>\n";
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GetOptions ("help" => \$help,
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"config=s" => \$config,
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"mp3" => \$mp3,
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"verbose" => \$verbose,
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"dryrun" => \$dryrun);
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if($help) {
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usage();
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} elsif( not $config ) {
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print " /!\\ Missing config arg\n\n";
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usage();
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}
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sub usage {
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print <<EOS
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Exec commands to cut and process LAV! podcast with json file containing the timestamps and sections to be cut.
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Needs JSON perl library (apt install libjson-perl)
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$0 --config conf_file.json
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--config conf_file.json the configuration file containing stuff
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--mp3 generate mp3 files
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--help show this message
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--verbose increase verbosity
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--dryrun print commands without executing them
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EOS
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;
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}
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sub read_config {
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my ($filename) = @_;
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my $json_text = do { #read all the file in one shot
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open(my $json_fh, '<:encoding(UTF-8)', $filename)
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or die("Can't open \$filename\": $!\n");
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local $/;
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<$json_fh>
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};
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my $json = JSON->new;
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my $data = $json->decode($json_text);
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return $data;
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}
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sub process {
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my ($config,$mp3,$verbose,$dryrun)=@_;
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my $data = read_config($config);
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my $short_date = $data->{short_date};
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my $year = substr $short_date,0,4;
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my $long_date = $data->{long_date};
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my $source_name = "libre-a-vous-$short_date";
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my $title = "Libre à vous ! du $long_date sur Cause Commune";
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my $short_description = $data->{short_description};
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my $ffmpeg_bin = $data->{ffmpeg_bin};
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my $option_mp3_meta_data_script;
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my @formats_files;
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if($mp3) {
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@formats_files = qw/ogg mp3/;
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$option_mp3_meta_data_script = "yes";
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}
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else {
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@formats_files = qw/ogg/;
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$option_mp3_meta_data_script = "no";
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}
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for my $chapter (values @{$data->{chapters}}) {
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my $start = $chapter->{start_timestamp};
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my $end = $chapter->{end_timestamp};
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my $short_chapter_name = $chapter->{short_chapter_name};
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my $chapter_title = $chapter->{chapter_title};
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# cutting chapter
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my $command = "$ffmpeg_bin -y -i $source_name.ogg -vn -acodec copy -ss \"$start\" -to \"$end\" $source_name-$short_chapter_name.ogg";
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if($dryrun) {
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print "$command\n";
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} else {
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my @ret = `$command`;
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if($?) {
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print "Error while cutting $short_chapter_name\n";
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if($verbose) {
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print Dumper @ret;
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print Dumper $data;
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}
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return 0;
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}
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}
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# putting metadata
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my $url = "https://media.april.org/audio/radio-cause-commune/libre-a-vous/emissions/$short_date/$source_name-$short_chapter_name.ogg";
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my $command = "$meta_data_script -s \"$source_name-$short_chapter_name.ogg\" -d \"output\" -u \"$url\" -t \"$title - Partie $chapter_title\" -p \"$ffmpeg_bin\" -y \"$year\" -m \"$option_mp3_meta_data_script\"";
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if($dryrun) {
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print "$command\n";
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} else {
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my @ret = `$command`;
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if($?) {
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print "Error while setting metadata in $short_chapter_name\n";
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if($verbose) {
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print Dumper @ret;
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print Dumper $data;
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}
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return 0;
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}
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}
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# Update string for web site
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my $command = "mediainfo --Inform=\"Audio;%Duration/String%\" output.ogg";
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if($dryrun) {
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print "$command\n";
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} else {
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my @ret = `$command`;
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if($?) {
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print "Error while updating string for web site\n";
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if($verbose) {
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print Dumper @ret;
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print Dumper $data;
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}
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return 0;
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} else {
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chomp($ret[0]);
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$ret[0] =~ s/s/secondes/ig;
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$ret[0] =~ s/min/minutes/ig;
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my $url2 = $url =~ s/\.ogg/\.mp3/r;
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$textwebpage = $textwebpage . "<li><a href=\"$url\">$chapter_title</a> (format OGG) (et <a href=\"$url2\">format MP3</a>) ($ret[0])</li>\n";
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}
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}
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# renaming to target OGG and MP3
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foreach my $format (@formats_files) {
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my $target_name = "$source_name-$short_chapter_name.$format";
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my $command = "mv output.$format $target_name";
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if($dryrun) {
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print "$command\n";
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} else {
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my @ret = `$command`;
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if($?) {
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print "Error while renaming $short_chapter_name.$format\n";
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if($verbose) {
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print Dumper @ret;
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print Dumper $data;
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}
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return 0;
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}
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}
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# hashing
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my $command = "sha1sum $target_name > $target_name.sha1";
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if($dryrun) {
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print "$command\n";
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} else {
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my @ret = `$command`;
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if($?) {
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print "Error while hashing $target_name\n";
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if($verbose) {
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print Dumper @ret;
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print Dumper $data;
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}
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return 0;
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}
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}
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}
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}
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# putting metadata in main podcast
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my $url = "https://media.april.org/audio/radio-cause-commune/libre-a-vous/emissions/$short_date/$source_name.ogg";
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my $command = "$meta_data_script -s \"$source_name.ogg\" -d \"output\" -u \"$url\" -t \"$title - $short_description\" -p \"$ffmpeg_bin\" -y \"$year\" -m \"$option_mp3_meta_data_script\"";
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if($dryrun) {
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print "$command\n";
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} else {
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my @ret = `$command`;
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if($?) {
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print "Error while setting metadata in $source_name\n";
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if($verbose) {
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print Dumper @ret;
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print Dumper $data;
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}
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return 0;
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}
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}
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# renaming to target OGG and MP3
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foreach my $format (@formats_files) {
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my $command = "mv output.$format $source_name.$format";
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if($dryrun) {
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print "$command\n";
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} else {
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my @ret = `$command`;
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if($?) {
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print "Error while renaming $source_name.$format\n";
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if($verbose) {
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print Dumper @ret;
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print Dumper $data;
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}
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return 0;
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}
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}
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# hashing
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my $command = "sha1sum $source_name.$format > $source_name.$format.sha1";
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if($dryrun) {
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print "$command\n";
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} else {
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my @ret = `$command`;
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if($?) {
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print "Error while hashing $source_name.$format\n";
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if($verbose) {
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print Dumper @ret;
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print Dumper $data;
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}
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return 0;
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}
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}
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}
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$textwebpage = $textwebpage . "</ul>\n\n";
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binmode(STDOUT, ":utf8");
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my $url = "https://www.april.org/libre-a-vous-diffusee-mardi-$long_date-sur-radio-cause-commune";
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$url=~s/ /-/g;
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print "\nText for the web page of the radio program : $url\n\n";
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print "$textwebpage\n\n";
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print "Add the html code on $url\n\n";
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if(! $mp3) {
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print "MP3 files not generated, please use --mp3 option to generate them\n";
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}
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}
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process($config,$mp3,$verbose,$dryrun);
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