bin_copy.cpp

最新推荐文章于 2025-01-19 09:40:11 发布

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#buffer #ios #include #file #output #input

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本文介绍了一个简单的文件复制程序，使用 C++ 实现。该程序接受两个命令行参数：源文件路径和目标文件路径，并将源文件的内容复制到目标文件中。程序通过检查文件打开情况来确保操作的正确性。

name="google_ads_frame" marginwidth="0" marginheight="0" src="http://pagead2.googlesyndication.com/pagead/ads?client=ca-pub-5572165936844014&dt=1194442938015&lmt=1194190197&format=336x280_as&output=html&correlator=1194442937843&url=file%3A%2F%2F%2FC%3A%2FDocuments%2520and%2520Settings%2Flhh1%2F%E6%A1%8C%E9%9D%A2%2FCLanguage.htm&color_bg=FFFFFF&color_text=000000&color_link=000000&color_url=FFFFFF&color_border=FFFFFF&ad_type=text&ga_vid=583001034.1194442938&ga_sid=1194442938&ga_hid=1942779085&flash=9&u_h=768&u_w=1024&u_ah=740&u_aw=1024&u_cd=32&u_tz=480&u_java=true" frameborder="0" width="336" scrolling="no" height="280" allowtransparency="allowtransparency"> #include <iostream.h>
#include <stdlib.h>
#include <fstream.h>

void main(int argc, char **argv)
{
   char buffer[1];

   ifstream input(argv[1], ios::in | ios::binary);
   if (input.fail())
    {
      cout << "Error opening the file " << argv[1];
      exit(1);
    }

   ofstream output(argv[2], ios::out | ios::binary);
   if (output.fail())
    {
      cout << "Error opening the file " << argv[2];
      exit(1);
    }

   do {
     input.read(buffer, sizeof(buffer));
     if (input.good())
       output.write(buffer, sizeof(buffer));
   } while (! input.eof());

input.close();
output.close();
}