#include <iostream>
#include <fstream>

using namespace std;

ifstream infile;

unsigned char getNextChar()
{
 static int charCount = 0;
 unsigned char ch;

 cout <<".";
 ch = infile.get();
 
 if (infile.eof())
    {
     cout << endl;
     exit (0);
    }

 if (charCount >= 5)
    {
     charCount = 0;
     cout << endl << ".";
    }

 charCount ++;
 return ch;
}

char getBit()
{
 static unsigned char mask = 0;
 static unsigned char ch;
 char retChar;

 if (mask == 0)
    {
     mask = 128;
     ch = getNextChar ();
     //cout << "{" << ch << ":" << hex << (int)ch << "}";
    }

 //cout << "<" << hex << (int)mask << ">";
 //cout << "[" << hex << (int)(mask & ch) << "]";
 if ((mask & ch) == 0)
     retChar = '0';
 else
     retChar = '1';

 mask = mask >> 1;
 return retChar;
}


int main (int argc, char *argv[])
{
 char bit;
 int i;
 //for (i = 0; i < argc; i++)
    //cout << i << ": " << argv[i] << endl;

 if (argc < 2)
   {
    cout << "Usage: " << argv[0] << " filename " << endl;
    exit(1);
   }

 cout << argv[0] << ": opening file " << argv[1] << endl;
 infile.open (argv[1]);

 i = 0;
 while (!infile.eof())
 //while (i < 500)
   {
    bit = getBit ();
    cout << bit;
    i++;
   }
}