Hi I am very confused with the use of the struct module to read binary data from a file. ( I have only worked with ascii files so far)
I have a file spec for a Data-logger (http://www.dataq.com/support/ techinfo/ff.htm) I am collecting some voltage , time traces on one channel and they are written to the binary file on a 32 bit windows machine The file spec says that the number of header bytes in the data file header is stored as a 16 bit eye "I" at bits 6-7 Now I want to get at that number. When I try format !h I get a meaningful number If f is my file handle opened with "rb" mode >>> f.seek(5) >>> (Integer,) = struct.unpack('!h',f.read(2)) >>> (Integer,) (9348,) I am assuming that means that there are 9348 header bytes . Can someone look at the format spec and tell me if I am on the right track. Also if a binary guru can point me in the direction of a single line format pythonic way to get at the header that will be great Thanks a tonne hari -- http://mail.python.org/mailman/listinfo/python-list
