c++基本文件操作
#include<iostream>#include<fstream>#include<string>#include<cstdlib>using namespace std;int main(){ifstream in_file;ofstream out_file ;string out_string;out_file.open("/home/merlin/code/word.txt");if(out_file.is_open()){cout<<"enter words!"<<endl;while( getline(cin,out_string) )out_file<<out_string<<endl;}else{cout<<"open file fail!!"<<endl;exit(EXIT_FAILURE);}out_file.close();in_file.open("/home/merlin/code/word.txt");while( in_file.good() ){cout<< (char) in_file.get();}in_file.close();return 0;}