OpenStreetMap

היומן של h4ck3rm1k3

פורסם על־ידי h4ck3rm1k3 ב־19 באוגוסט 2009 בEnglish. עודכן לאחרונה ב־22 בספטמבר 2009.

merge many osm filesinto one.
concat them and then merge.
this will also give the ids new ids.

If you want to merge/extract or other mess with OSM files you can also use Osmosis...
osm.wiki/Osmosis

Thanks, I will look at that. I know osmosis is powerful.