#!/usr/bin/env ruby## script to remove stale entries in some database tables (artist)## (c) 2006 Roland Gigler <rolandg@web.de># License: GNU General Public License V2system("dcop", "amarok", "playlist", "shortStatusMessage", "Removing stale 'artist' entries from the database")qresult = `dcop amarok collection query "SELECT id FROM artist;"`result = qresult.split( "\n" )i = 0result.each do |id|    print "Checking: #{id}, "    qresult2 = `dcop amarok collection query "SELECT COUNT(*) FROM tags where artist = #{id};"`    count = qresult2.chomp()    printf "count: %s\n", count    if  count == "0"        i = i + 1	qresult3 = `dcop amarok collection query "SELECT name FROM artist where id = #{id} ;"`        result3 = qresult3.split( "\n" )        puts "==>: Deleting: #{id}, #{result3}"        system("dcop", "amarok", "collection", "query", "DELETE FROM artist WHERE id = '#{id}'")    endendputs "i: #{i}"if i > 0    system("dcop", "amarok", "playlist", "popupMessage", "Removed #{i} stale 'artist' entries from the database")end