V N wrote: > string "\x00" has a length of 1. When I use the csv module to write > that to a file > > csv_f = csv.writer(file("test.csv","wb"),delimiter="|") > csv_f.writerow(["\x00","zz"]) > > The output file looks like this: > |zz > > Is it possible to force the writer to write that string? This will do what you want: "\\x00"