程序将自己的源代码输出到控制台

#include<fstream>
#include<iostream>

using namespace std;

int main()
{
fstream fin;
fin.open("main.cpp",ios::in);
if(!fin)
{
cout<<"can not open file !"<<endl;
return -1;
}
char ch;
while(fin.get(ch))
cout<<ch;
fin.close();
return true;
}