soepkiptng_delete

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