please find below a small patch for the plugin to tamper the filename of the download. If you like to use it …
Index: wp-content/plugins/wp-exporter/wxr.php
===================================================================
— wp-content/plugins/wp-exporter/wxr.php (revision 1942)
+++ wp-content/plugins/wp-exporter/wxr.php (working copy)
@@ -43,6 +43,8 @@
if ( ! empty($sitename) ) $sitename .= ‘.’;
$filename = $sitename . ‘wordpress.’ . date( ‘Y-m-d’ ) . ‘.xml’;
+ $filename = apply_filters(‘wxr_download_filename’, $filename, $args);
+
header( ‘Content-Description: File Transfer’ );
header( ‘Content-Disposition: attachment; filename=’ . $filename );
header( ‘Content-Type: text/xml; charset=’ . get_option( ‘blog_charset’ ), true );