c18_05.cpp

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//实现文件拷贝
#include <iostream>
#include <fstream >
using namespace std;
int main()
{
	char filename[255];
	cout<<"请输入要打开的文件名： ";
	cin>>filename;

	ifstream  infile(filename);
	if( !infile )
	{
		cout << "源文件打不开  " << endl;
		return 1;
	}

	cout<<"请输入目标文件名： ";
	cin>>filename;

	ofstream outfile(filename);
	if( !outfile )
	{
		cout << "目标文件打不开  " << endl;
		return 1;
	}

	char	c;
	while( !infile.eof() )		// 判断是否到文件尾
	{            
		c = infile.get();		// 读入一个字符并赋给c
		outfile.put(c);			// 写入一个字符
	}

	infile.close();
	outfile.close();
	cout<<"\n文件复制完毕\n";

	return 0;
}