On Sat, 24 Feb 2007 15:39:53 +0000, Toby wrote: > As part of a program I'm writing, I need to save to disk big amounts of > data (hundreds of MB, in 8kB chunks) swapping every couple of bytes. > > I obviously cannot do it in a Python loop. > > Is there a function I could use in the standard library, or do I have to > write my own C extension?
You could try the struct module. If your input comes in fixed sized chunks, just call struct.unpack and struct.pack once per chunk. HTH, Dan -- Dan Sommers <http://www.tombstonezero.net/dan/> Atoms are not things. -- Werner Heisenberg. -- http://mail.python.org/mailman/listinfo/python-list
