mdw@git.distorted.org.uk Git - disorder/blob - scripts/oggrename

   1 #! /usr/bin/perl -w
   2 #
   3 # This file is part of DisOrder
   4 # Copyright (C) 2006 Richard Kettlewell
   5 #
   6 # This program is free software: you can redistribute it and/or modify
   7 # it under the terms of the GNU General Public License as published by
   8 # the Free Software Foundation, either version 3 of the License, or
   9 # (at your option) any later version.
  10 #
  11 # This program is distributed in the hope that it will be useful,
  12 # but WITHOUT ANY WARRANTY; without even the implied warranty of
  13 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14 # GNU General Public License for more details.
  15 #
  16 # You should have received a copy of the GNU General Public License
  17 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
  18 #
  19
  20 use strict;
  21
  22 my %rename = ();
  23 my $bad = 0;
  24
  25 for my $path (@ARGV) {
  26     local $_ = `ogginfo \Q$path\E`;
  27     my ($title, $number);
  28     if(/title=(.*)/) { $title = $1; }
  29     if(/tracknumber=(\d+)/) { $number = $1; }
  30     if(!defined $title || !defined $number) {
  31         print STDERR "ERROR: cannot find details for $path\n";
  32         ++$bad;
  33         next;
  34     }
  35     $rename{$path} = sprintf("%02d:%s.ogg", $number, $title);
  36 }
  37 exit 1 if $bad;
  38
  39 while(scalar %rename) {
  40     my $worked = 0;
  41     while(my ($f, $t) = each %rename) {
  42         if($f eq $t) {
  43             delete $rename{$f};
  44             $worked = 1;
  45         } elsif(link($f, $t)) {
  46             unlink($f);
  47             delete $rename{$f};
  48             print "$f -> $t\n";
  49             $worked = 1;
  50         } else {
  51             print "deferring $f -> $t\n";
  52         }
  53     }
  54     die "stuck in a loop!\n" if !$worked;
  55 }