在什么地方？没找到啊，,我自己还编了一个，真是浪费资源。

#include "stdio.h"
#include "stdlib.h"

int main(int argc, char *argv[])
{

   FILE *in1, *in2, *out;
   unsigned char in1_data[256],in2_data[256];
   unsigned long in1_id,in2_id;
   int i,flag;

   if (argc!=4)
      {
         printf("Syntax: %s infile1 infile2 outfile\n",argv[0]);
         return 1;
      }
   if ((in1=fopen(argv[1],"rb"))==NULL)
      {
       printf("Open file %s error!",argv[1]);
       return 1;
      }
   if ((in2=fopen(argv[2],"rb"))==NULL)
      {printf("Open file %s error!",argv[2]);
       fclose(in1);
       return 1;
      }
   if ((out=fopen(argv[3],"wb"))==NULL)
      {printf("Open file %s error!",argv[3]);
       fclose(in1);
       fclose(in2);
       return 1;
      }

        fread(in1_data,256,1,in1);
        for(i=1,in1_id=0;i<=10;i++) in1_id=in1_id*10+(in1_data[i+1]-48);
        fread(in2_data,256,1,in2);
        for(i=1,in2_id=0;i<=10;i++) in2_id=in2_id*10+(in2_data[i+1]-48);

   if (feof(in1)||feof(in2))
   {
        printf("\nAt least one file is emtpy!");
        fclose(in1);
        fclose(in2);
        fclose(out);
        return 1;
   }

  flag=0;        //both not reach end
  while(flag==0)
  {
    if (in1_id < in2_id)
       {
          fwrite(in1_data,256,1,out);
          fread(in1_data,256,1,in1);
          for(i=1,in1_id=0;i<=10;i++) in1_id=in1_id*10+(in1_data[i+1]-48);
          if (feof(in1)) flag=1;        //in1 reach end
       }
    else
       {
          fwrite(in2_data,256,1,out);
          fread(in2_data,256,1,in2);
          for(i=1,in2_id=0;i<=10;i++) in2_id=in2_id*10+(in2_data[i+1]-48);
          if (feof(in2)) flag=2;       //in2 reach end
       }
   }

   if (flag==1)    //in1 reach end
      {
          while (feof(in2)==0)
                {
                   fwrite(in2_data,256,1,out);
                   fread(in2_data,256,1,in2);
                }
      }
   else
      {
          while (feof(in1)==0)
                {
                   fwrite(in1_data,256,1,out);
                   fread(in1_data,256,1,in1);
                }
      }

    fclose(in1);
    fclose(in2);
    fclose(out);
    return 0;
}

【 在 czz (只爱陌生人☆Kitty Lai) 的大作中提到: 】
: FB3.0中有现成的remake工具,自己下下去后看看就明白了.
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