Материал из C\C++ эксперт
Demonstrate rename() and remove().
#include <iostream>
#include <cstdio>
#include <cstring>
#include <fstream>
using namespace std;
int main(int argc, char *argv[]){
int result;
if(argc != 2) {
printf("usage: EraseRenname <erase/rename>\n");
exit(1);
}
ofstream fout("test.dat");
if(!fout) {
cout << "Cannot open test.dat file.\n";
return 1;
}
fout << "Write some data to the file.";
fout.close();
if(!fout.good()) {
cout << "Error writing to or closing file.\n";
return 0;
}
if(!strcmp("erase", argv[1])) {
result = remove("test2.dat");
if(result) {
cout << "Cannot remove file.\n";
return 1;
}
} else if(!strcmp("rename", argv[1])) {
result = rename("test.dat", "test2.dat");
if(result) {
cout << "Cannot rename file.\n";
return 1;
}
} else
cout << "Invalid command-line argument.\n";
return 0;
}
