in [Python]

From: Martin on 8 Jun 2010 05:47 On Jun 7, 9:57 am, "Alfred Bovin" <alf... (a)bovin.invalid> wrote:> Hi all. > > I'm working on something where I need to read a (binary) file bit by bit and > do something depending on whether the bit is 0 or 1. > > Any help on doing the actual file reading is appreciated. > > Thanks in advance Hi, Have you looked at the numpy libraries? It would be very easy to do... import numpy as np f = open("something.bin", "rb") data = np.fromfile(f, np.uint8) data = np.where(data == 0, data * 5, data) So in this example I am just saying if data = 0, multiply by 5. This saves the need for slow loops as well. Mart. |