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Simple c++ exercise conversion of strings to hex values. The program is explained at: main page

  1. #include <iostream>
  2. #include <fstream>
  3. #include <string>
  5. using namespace std;
  7. int main (int argc, char *argv[]) {
  9.   fstream infile;
  10.   string::size_type pos;
  11.   string st, sub_st;
  12.   unsigned int address, file_addr;
  13.   //std::stringstream ss;
  15.   if(argc != 2) {
  16.     cout << "Correct usuage:" << endl;
  17.     cout << "~/bin/cpp_fl_ini_TO_readmemh.out s25fl128p.ini" << endl;
  18.     cout << endl;
  19.     return 1;
  20.   }
  22.   //cout << "opening file " << argv[1] << endl;
  23.   infile.open (argv[1], ios::in);
  24.   if(infile.is_open()) {
  25.     address=0;
  26.     while(getline(infile,st)) {
  27.       pos = st.find('/');
  28.       sub_st=st.substr(0, pos);
  29.       sscanf(sub_st.c_str(), "%x", &file_addr);
  30.       cout << st << " " << sub_st << " " << file_addr << endl;
  31.     } //while
  32.   } else {
  33.     cout << "can not open " << argv[1] << endl;
  34.   }
  36.   infile.close();
  37.   return 0;
  38. } //main
  ...


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