filename.cc

达内IT培训Unix C++第一天源码 是入门Unix 下C++编程的好东西

#include <iostream>
using namespace std;
#include <sys/stat.h>
#include <fcntl.h>
#include <unistd.h>

int main()
{
	umask(0027);
	char name[256];
	cout << "输入要创建的文件名:" << endl;
	cin >> name;
	if(creat(name, 0666)<0)
		cout << "创建失败!" << endl;
	else
		cout << "创建成功!" << endl;
	cout << "输入要删除的文件名:" << endl;
	cin >> name;
	if(unlink(name)<0)
		cout << "删除失败!" << endl;
	else
		cout << "删除成功!" << endl;
	char newname[256];
	cout << "请输入要改名的文件:";
	cin >> name;
	if(access(name, F_OK)<0)
		cout << "不存在" << name << endl;
	else{
		cout << "你对这个文件的权限:";
		if(access(name, R_OK)>=0)cout<<"读";
		if(access(name, W_OK)>=0)cout<<"写";
		if(access(name, X_OK)>=0)cout<<"执行";
		cout << endl;
		cout << "请输入要改成的新名字:";
		cin >> newname;
		if(rename(name, newname)<0)
			cout << "改名失败!" << endl;
		else
			cout << "改名成功!" << endl;
	}
}