#include <iostream>
#include <fstream>
using namespace std;

int main()
{
    ifstream i;
    ofstream o;
    i.open("in.txt");
    o.open("o.txt");

    char buff;                          //buffer for the text we grab from the file
    int counted = 0, skipped = 0;       //counters

    while(!i.eof()) {
        i.get(buff);

        //Series of statements to check what to write and how to write it
        if(buff >= 'a' && buff <= 'z') {
            o.put(buff);
        }
        else if(buff >= 'A' && buff <= 'Z') {
            buff+= 32;
            o.put(buff);
        }
        else if(buff == '\n') {
            o.put(buff);                //alternative code: o.put('\n'); o.put('\n');
            o.put(buff);
        }
        else if(buff == ' ') {          //spaces count as a delimiter, so unless you add one purposely it won't be put into the file
            o.put(' ');
        }
        else if(buff == '\t') {
            o.put(' ');
        }
        else {
            skipped++;
        }
        counted++;
    }

    cout << skipped << " characters were not put into the new file.";
}