#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 logicwhile(!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();
}