In case you still wanna know...
$fp=fopen($targetfile,"w");
mysql_connect('',$User,$Pwd);
$Qry="select * from Tablename";
if (($P = mysql_db_query($Dbase,$Qry))&&($R = mysql_fetch_row($P))) do {
$fileline=implode("\t",$P);
fwrite($fp, "$fileline\r\n");
} while ($R = mysql_fetch_row($P))
mysql_close();
fclose($fp);
Maybe this can be optimized somehow - I am beginner myself