逐字符读取文件或键盘文本

 1 #include <iostream>
 2 using namespace std;
 3 int main(){
 4     char ch;
 5     int count = 0;
 6     cout <<"Enter charactes;enter # to-quit:\n";
 7     cin >> ch;
 8     while (ch!=‘#‘){
 9         cout <<ch;// echo the character
10         ++count;//count the character
11         cin(ch);// get the next character
12     }
13     cout << endl << count <<  " characters read\n";
14     return 0;
15 }