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Program to merge and display 2 files

 
#include <stdio.h>
#include <conio.h>


void main(int argc,char *argv[]){
     FILE *fmrg,*fd1,*fd2;
     int data1[]={1,3,9,15,18,20,30};
     int data2[]={2,3,5,8,9,23,28};
     int i,data,tmp1,tmp2;

     clrscr();
     fd1 = fopen(\"data1.txt\",\"w\");
     for(i=0;i<7;i++)
    putw(data1[i],fd1);
     fclose(fd1);

     fd2 = fopen(\"data2.txt\",\"w\");
     for(i=0;i<7;i++)
    putw(data2[i],fd2);
     fclose(fd2);

     fmrg = fopen(argv[1],\"w\");
     fd1  = fopen(\"data1.txt\",\"r\");
     fd2  = fopen(\"data2.txt\",\"r\");
     //merge logic
     while(!feof(fd1)){
    data = getw(fd1);
    putw(data,fmrg);
     }
     while(!feof(fd2)){
    data = getw(fd2);
    putw(data,fmrg);
     }
     fclose(fd1);
     fclose(fd2);
     fclose(fmrg);

     printf(\"\\n\\n***After Merging Files***\\n\\n\");
     fmrg = fopen(argv[1],\"r\");
     while(!feof(fmrg))
     {
    data = getw(fmrg);
    printf(\"%5d\",data);
     }
     fclose(fmrg);

     /*
     //sort logic
     fd1 = fopen(argv[1],\"r\");
     fd2 = fopen(argv[1],\"r\");
     while(!feof(fd1)){
      fseek(fd1,2L,SEEK_CUR);
      tmp1 = getw(fd1);
      while(!feof(fd2)){
         fseek(fd2,2L,SEEK_CUR);
         tmp2 = getw(fd2);
         if(tmp1 > tmp2)
     */
getch();
}

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