soepkiptng_delete

   1 #!/usr/bin/perl
   2 ############################################################################
   3 # soepkiptng (c) copyright 2000 Eric Lammerts <eric@lammerts.org>.
   4 # $Id$
   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, version 2, as
   8 # published by the Free Software Foundation.
   9 #
  10 # This program is distributed in the hope that it will be useful,
  11 # but WITHOUT ANY WARRANTY; without even the implied warranty of
  12 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13 # GNU General Public License for more details.
  14 #
  15 # A copy of the GNU General Public License is available on the World Wide Web
  16 # at `http://www.gnu.org/copyleft/gpl.html'.  You can also obtain it by
  17 # writing to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
  18 # Boston, MA 02111-1307, USA.
  19 ############################################################################
  20
  21 use Cwd 'abs_path';
  22 use DBI;
  23 use Getopt::Std;
  24
  25 # find program directory
  26 $_ = $0;
  27 while(-l) {
  28         my $l = readlink or die "readlink $_: $!\n";
  29         if($l =~ m|^/|) { $_ = $l; } else { s|[^/]*$|/$l|; }
  30 }
  31 m|(.*)/|;
  32 my $progdir = abs_path($1);
  33
  34 require "$progdir/soepkiptng.lib";
  35
  36 getopts('fqhxc:');
  37
  38 read_configfile(\%conf, $opt_c);
  39
  40 $ENV{PATH} = "$progdir/bin:$ENV{PATH}";
  41
  42 if($opt_h) {
  43         print <<EOF;
  44 Usage: soepkiptng_delete [-fqc] [dir]
  45
  46 Soepkiptng_delete deletes files from the SoepkipTNG database that do not exist
  47 anymore.
  48
  49     -f : delete entries even if they still exist
  50     -q : quiet
  51     -x : permanently delete entries that are not present
  52
  53 EOF
  54         exit;
  55 }
  56
  57 $dbh = DBI->connect("DBI:$conf{db_type}:$conf{db_name}:$conf{db_host}",
  58         $conf{db_user}, $conf{db_pass}) or die "can't connect to database";
  59
  60 $sth = $dbh->prepare("SELECT filename FROM song WHERE present AND filename like ?");
  61 $filename = ($ARGV[0]? abs_path($ARGV[0]) : "/") . "/%";
  62 $filename =~ s/\\/\\\\/g;
  63 $sth->execute($filename);
  64
  65 while(($filename) = $sth->fetchrow_array) {
  66         if(!$opt_f) { -s $filename and next; }
  67         warn "Deleting $filename from database.\n" unless $opt_q;
  68         if($opt_x) {
  69                 $dbh->do("DELETE FROM song WHERE filename=?", undef, $filename);
  70         } else {
  71                 $dbh->do("UPDATE song SET present=0 WHERE filename=?", undef, $filename);
  72         }
  73 }
  74
  75
  76 $dbh->disconnect();