// reading a file
 #include <cstdlib>
 #include <iostream>
 #include <fstream>
 #include <stdlib.h>
 using namespace std;
 int app ( char filename ) ;
 void write();
 int avg();
 int main(int argc, char *argv)
 {
    char word,filename; 
    int j=0,num, option;
    
    
    cout << "1 - count words from file 2 - write to file 3 - average number at file - : ";
    cin >> option;
     
     if( option == 1 )
     {
         j = app(filename); 
         cout << "The word is in the file " << j << " times" << endl;  
     }   
   
     if ( option == 2 )
     {    
          write();
     }   
     
     if (option == 3)
     {
               cout << avg() << endl; 
     }
        
     
     system("PAUSE");
     return EXIT_SUCCESS;
     
      
 }   
 int app ( char filename )    
 {   char word;
     int count=0;
     fstream inFile;
     
     cout<<"Enter file name:"<<endl;
     cin>>filename;
     cout<<"Enter a word :"<<endl;
     cin>>word; 
 	inFile.open(filename, ios::in);
     
     
     if( !(inFile.is_open()))
     {
         cout<< "cannot open file"<<filename<<endl;
         exit(1);
     }
     
     else
     {
          while(!(inFile.eof()))             
          {      
              inFile >> word; 
              count = count + 1;
          }        
     }                         
   
     return (count);  
 }
 void write()
 {
      int num;
      char filename;    
     
         cout<<"Enter file name:"<<endl;
         cin>>filename;
         ofstream makefile(filename, ios::out);
   
     cout<<"Enter Num"<<endl;
     
      while (cin>>num)
      {
            cout << "Enter num" << endl;
            cin >> num;
            makefile << num << endl;
       }
 }   
 int avg()
 {
     int average = 0;
     int count = 0;
     int num;
     char filename;
     
     cout<<"Enter file name:"<<endl;
     cin>>filename;
 	ifstream open(filename, ios::in);
     
     while(open>>num)
     {
                        open >> num;
                        count++;
                        average +=    num;            
      }
      
      average = average / count;
      return(average);
 }