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;}