cpp primer 习题 11.16

#include <iostream>
#include <cstdlib>
#include <fstream>
#include <string>
#include <iterator>
#include <algorithm>
using namespace std;
int main()
{
string fileName;
//输入文件名
cout<<"Enter input file name:"<<endl;
cin>>fileName;
//打开文件
ifstream inFile(fileName.c_str());
if (!inFile)
{
cout<<"Can not open file:"<<fileName<<endl;
return EXIT_FAILURE;
}
//使用copy算法将文件内容写到标准输出中
ostream_iterator<string> outIter(cout,"/n ");//以空格分隔数据
istream_iterator<string> inIter(inFile),eof;
copy(inIter,eof,outIter);
//关闭文件
inFile.close();
return 0;
}