OpenStreetMap

h4ck3rm1k3 ߕߋ߬ߟߋ߲

ߊ߬ ߟߊߦߟߍ߬ߣߍ߲߬ ߦߋ߫ h4ck3rm1k3 ߓߟߏ߫ 19 August 2009 ߦߋ߫ English ߟߋ߬ ߘߐ߫ ߟߊ߬ߞߎ߬ߘߦߊ߬ߟߌ߬ ߞߐߟߕߊ 22 September 2009 ߘߐ߫

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

ߡߙߌߣߊ߲ ߞߊ߬ ߝߘߊ߫ Mungewell ߟߊ߫ 20 August 2009 at 01:29 ߘߐ߫

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

ߡߙߌߣߊ߲ ߞߊ߬ ߝߘߊ߫ h4ck3rm1k3 ߟߊ߫ 20 August 2009 at 07:11 ߘߐ߫

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