@@ -0,0 +1,253 @@
+#!/bin/env jython%0A%0Aimport sys%0Aimport java.io%0A%0Afrom org.gavrog.joss.pgraphs.io import Net, Output%0A%0Aout = java.io.OutputStreamWriter(sys.stdout)%0A%0A%0Afor G in Net.iterator(sys.argv%5B1%5D):%0A    Output.writePGR(out, G, G.name)%0A    out.write('%5Cn')%0A    out.flush()%0A

add a jython script