[Tutor] Reading characters from file in binary mode

[Kermit Rose]

Hello.
 
I wish to translate a SAS data file to text, and do not have the
professional
version of SAS to do so.
 
I have the student version of SAS, and have translated the shortest of 4 SAS
data sets given.
 
For the other 3, I wish to construct a python program to read the characters
in, one
at a time, translate them to hexadecimal, then figure out how the data
matches
the data dictionary that I have.
 
I experimented with writing code in C++ to do this.
 
My first experiment, in C++  is
 
#include <stdio.h>
#include <iostream>
#define TRUE    1                       /* Define some handy constants  */
#define FALSE   0                       /* Define some handy constants  */
ifstream f("CMT_MCAID",ios_base::binary);
ofstream G("mcaid.txt",ios_base::app);
char ch
int k
int kh,kl
int limit
limit = 1000
 
for (int I=1;I<= limit;I++) 
 
{
f >> ch;
k = ch;
kl = k%16;
kh = (k -kl)/16;
G << kh," ",kl," ";
}
 
 
How can I begin to experiment using python?  What would be python code
equivalent
to the above C++ code?
 
Kermit  <  kermit at Polaris.net  >
 
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