What about scanning the externallinks table [1] to find
every link to
http://tools.wikimedia.de/~magnus/geo/geohack.php?language=de&... ? If all
the information you need is in the link, this could be an alternative method.
Jelte a.k.a. WebBoy
[1]
http://www.mediawiki.org/wiki/Externallinks_table