Hi, Against my better judgement I am wondering whether osmjs can pass argvals to the JS script. I need to process a number of OSM data files and I want the output files generated by OSMJS to have unique names based on the input file. Martijn -- martijn van exel geospatial omnivore 1109 1st ave #2 salt lake city, ut 84103 801-550-5815 http://oegeo.wordpress.com