chk_eof.cpp

最新推荐文章于 2025-11-24 10:49:23 发布

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#ios #include #hex #input #c

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本文介绍了一个使用C++实现的简单程序，该程序能够打开并逐行读取指定文件的内容，将其转换为十六进制形式并显示出来。此外，程序还提供了按行展示文件内容的功能，并允许用户通过输入文件名来启动读取过程。

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 <fstream.h>
#include <ctype.h>
#include <iomanip.h>
#include <stdio.h>

int main(int argc, char *argv[])
{
   if(argc!=2)
    {
      cout << "Usage: chk_eof <filename>" << endl;
      exit (1);
    }
   ifstream in(argv[1], ios::in | ios::binary);
   if(!in)
    {
      cout << "Cannot open input file." << endl;
      exit (1);
    }

   cout.setf(ios::uppercase);
   while(!in.eof())
    {
      for(i=0; i<16 && !in.eof(); i++)
         in.get(c[i]);
      if(i<16)
         i--;
      for(j=0; j < i; j++)
         cout << setw(3) << hex << (int) c[j];
      for(; j < 16; j++)
         cout << " ";
      cout << "/t";
      for(j=0; j < i; j++)
         if(isprint(c[j]))
            cout << c[j];
         else
            cout << ".";
      cout << endl;
      count ++;
      if(count==16)
       {
         count = 0;
         cout << "Press ENTER to continue: ";
         cin.get();
         cout << endl;
       }
    }
   in.close();
}