MAL wrote: > out.write(header) > out =3D open(cFileName, "w") > ! out.write("#include "%s"\n" % headerFileName) > out.write(code) > perfHash.generate_graph(out) umm. I suppose you meant: > ! out.write('#include "%s"\n' % headerFileName) or possibly: > ! out.write("#include \"%s\"\n" % headerFileName) </F>