C++/File/File Convert

Convert spaces to |s.

<source lang="cpp">

1. include <iostream>
2. include <fstream>

using namespace std; int main(int argc, char *argv[]) {

 if(argc!=3) {
   cout << "Usage: CONVERT <input> <output>\n";
   return 1;
 }
 ifstream fin(argv[1]); // open input file
 ofstream fout(argv[2]);  // create output file
 if(!fout) {
   cout << "Cannot open output file.\n";
   return 1;
 }
 if(!fin) {
   cout << "Cannot open input file.\n";
   return 1;
 }
 char ch;
 fin.unsetf(ios::skipws);  // do not skip spaces
 while(!fin.eof()) {
   fin >> ch;
   if(ch==" ") ch = "|";
   if(!fin.eof()) fout << ch;
 }
 fin.close();
 fout.close();
 return 0;

}

      </source>