On 2005-04-08, Dan <[EMAIL PROTECTED]> wrote: > But it appears that the Python socket module has no method to send > binary data, it only sends strings.
Grasshopper, things are often not what they appear. Likewise, they often appear to be what they are not. Strings and binary data are one and the same. > So there's no argument to tell it the length, it stops when it > gets the end of string character (null). Nope. You're thinking of C strings. Python strings aren't terminated with a null. A python string can contain 0x00 bytes. Think of Python strings as fixed length arrays of octets (AKA bytes). [I'm talking about "normal" strings. There are also unicode strings, but thinking about them will just make your head hurt.] You should probably study the "struct" module. I think that will answer most of your questions: http://docs.python.org/lib/module-struct.html Since you're doing network stuff, pay particular attention to the sections on byte order and alignment. You never want to use native byte order and alignment on the wire or on disk. Even if you think that the two machines will always be the same, someday they won't be. You, of course, won't be there at that point, and somebody will spend a week and half tacking down the problem and swearing at you. Been there, done that -- at least the tracking/swearing part. Probably the other part too. -- Grant Edwards grante Yow! There's a lot of BIG at MONEY in MISERY if you have visi.com an AGENT!! -- http://mail.python.org/mailman/listinfo/python-list
