Index: bin/php/ezsqldumpisbndata.php
===================================================================
--- bin/php/ezsqldumpisbndata.php	(revision 22104)
+++ bin/php/ezsqldumpisbndata.php	(working copy)
@@ -67,15 +67,62 @@
 
 $script->startup();
 
-$options = $script->getOptions( "[stdout-sql][stdout-dba][filename-sql:][filename-dba:]", "",
+$options = $script->getOptions( "[stdout-sql][stdout-dba][filename-sql:][filename-dba:][db-host:][db-user:][db-password:][db-database:][db-driver:]", "",
                                 array( 'stdout-sql' => "Result of sql output will be printed to standard output instead of to file.",
                                        'stdout-dba' => "Result of dba output will be printed to standard output instead of to file.",
                                        'filename-sql' => "Custom name for the sql file. Will be stored in the directory: \n" .
                                                          "kernel/classes/datatypes/ezisbn/sql/<database>/",
                                        'filename-dba' => "Custom name for the dba file. Will be stored in the directory: \n" .
-                                                         "kernel/classes/datatypes/ezisbn/share/" ) );
+                                                         "kernel/classes/datatypes/ezisbn/share/",
+                                       'db-host' => "Database host.",
+                                       'db-user' => "Database user.",
+                                       'db-password' => "Database password.",
+                                       'db-database' => "Database name.",
+                                       'db-driver' => "Database driver." ) );
 $script->initialize();
 $db =& eZDB::instance();
+if( !$db->IsConnected )
+{
+    // default settings are not valid
+    // try user-defined settings
+
+    $dbUser = $options['db-user'] ? $options['db-user'] : false;
+    $dbPassword = $options['db-password'] ? $options['db-password'] : false;
+    $dbHost = $options['db-host'] ? $options['db-host'] : false;
+    $dbName = $options['db-database'] ? $options['db-database'] : false;
+    $dbImpl = $options['db-driver'] ? $options['db-driver'] : false;
+
+    if ( $dbHost or $dbName or $dbUser or $dbImpl )
+    {
+        $params = array();
+        if ( $dbHost !== false )
+            $params['server'] = $dbHost;
+        if ( $dbUser !== false )
+        {
+            $params['user'] = $dbUser;
+            $params['password'] = '';
+        }
+        if ( $dbPassword !== false )
+            $params['password'] = $dbPassword;
+        if ( $dbName !== false )
+            $params['database'] = $dbName;
+        $db =& eZDB::instance( $dbImpl, $params, true );
+        eZDB::setInstance( $db );
+    }
+
+    // still no success?
+    if( !$db->IsConnected )
+    {
+        $cli->error( "Error: couldn't connect to database '" . $db->DB . "'" );
+        $cli->error( '       for mysql try: ' );
+        $cli->error( '          mysql -e "create database ' . $db->DB . ';"' );
+        $cli->error( '          mysql tmp < kernel/sql/mysql/kernel_schema.sql' );
+        $cli->error( '       or use --help for more info' );
+
+        $script->shutdown( 1 );
+    }
+}
+
 $dbSchema = eZDBSchema::instance( $db );
 
 if ( isset( $options['filename-sql'] ) )
Index: bin/shell/updateisbn13.sh
===================================================================
--- bin/shell/updateisbn13.sh	(revision 22114)
+++ bin/shell/updateisbn13.sh	(working copy)
@@ -68,15 +68,8 @@
     esac;
 done
 
-# create options string
-if [ -n "$RANGES_FILE" ]; then
-    OPTIONS="$OPTIONS --file=$RANGES_FILE"
-fi
+# create option strings
 
-if [ -n "$CUSTOM_RANGES_FILE" ]; then
-    OPTIONS="$OPTIONS --file=$CUSTOM_RANGES_FILE"
-fi
-
 if [ -n "$DB_DATABASE" ]; then
     OPTIONS="$OPTIONS --db-database=$DB_DATABASE"
 fi
@@ -93,6 +86,17 @@
     OPTIONS="$OPTIONS --db-driver=$DB_DRIVER"
 fi
 
+DUMP_OPTIONS="$OPTIONS"
+
+if [ -n "$RANGES_FILE" ]; then
+    OPTIONS="$OPTIONS --file=$RANGES_FILE"
+fi
+
+if [ -n "$CUSTOM_RANGES_FILE" ]; then
+    OPTIONS="$OPTIONS --file=$CUSTOM_RANGES_FILE"
+fi
+
+
 # do the job
 echo "Updating ISBN13 data"
 
@@ -108,7 +112,7 @@
 
 # redumping
 echo "Redumping..."
-php bin/php/ezsqldumpisbndata.php
+php bin/php/ezsqldumpisbndata.php $DUMP_OPTIONS
 
 # clean up
 if [ -n "$RANGES_FILE" ]; then