test4.cpp

来自「eC++编译器源码」· C++ 代码 · 共 25 行

#include <fstreams.h>
#include <iostream.h>
#include <iomanip.h>

void main()
{ fstream f; int x; unsigned int u; long l; double d; boolean b; char c;
  char s[99];
  x = 9;
  f.open("test.txt", ios::out);
  f<<54<<(-99)<<65L<<54.98<<' '<<true<<' '<<'X'<<" helloWorld\n";
  f.close();
  f.open("test.txt", ios::in);
  f>>u>>x>>l>>d>>b>>c>>s;
  cout<<u<<x<<l<<d<<' '<<b<<' '<<c<<s<<"\n";
  f.close();
  f.open("test.txt", ios::out);
  for (x=0; x<10; x++) f<<x;
  f.close();
  f.open("test.txt", ios::in);
  while (!f.eof()) {
    f>>x;  cout<<x;
  };
  f.close();
};