void difffiles(ifstream& fs1, ifstream& fs2){
    string line1;
    string line2;
    int len = file_lenght(fs1);

    int* diff_chars = new int[len];
    while(getline(fs1, line1)){
        if(getline(fs2, line2)){
            cout << "executed 0;";
            global_remember = 0;
            size_t length1 = line1.length();
            size_t length2 = line2.length();
            for(int i = 0; i < length1 && i < length2; i++){
                if(line1[i] != line2[i]){
                    diff_chars[global_remember++] = i;
                    continue;
                }

            }
            print_line(diff_chars, line1, line2, length1, length2);
        }
    }
    delete[] diff_chars;
}

void openfiles(char* file1, char* file2){
    ifstream fs1(file1);
    ifstream fs2(file2);
    if(fs1.is_open() && fs2.is_open()){
       difffiles(fs1, fs2);
    } else{
        cout << "File doesn't exist" << '\n';
        exit(1);
    }
}

int main(int argc, char* argv[]){
    if(argc <= 1){
        help(*argv);
        exit(1);
    } else if(argc == 4 || argc == 2){
        while(*argv++ != NULL && **argv == '-'){
            switch(*++*argv){
                case 'h':
                    help(*--argv);
                    return 0;
                    break;
                case 'f':
                    openfiles(*argv, *++argv);
                    break;

            }
        }
    }
    exit(0);

}