10-0.cpp

来自「Accelerated C++ 课后练习题 本人自己完成、可供参考」· C++ 代码 · 共 35 行

#include<iostream>
#include<fstream>
#include<string>
using std::getline;
using std::cin;
using std::cout;
using std::endl;
using std::string;
using std::ifstream;
using std::ofstream;
using std::cerr;

int main()
{
	int fail_count=0;
	string fname;
	//for each file in the input list
	if(getline(cin,fname))
	{
		ifstream in(fname.begin());

		//if it exists, write its contents, otherwise generae an error message
		if(in)
		{
			string s;
			while(getline(in,s))
				cout<<s<<endl;
		}
		else
		{
			cerr<<"cannot open file   "<<fname<<endl;
		}
	}
	return fail_count;
}