/* merge plików */

#include<stdio.h>

main()

{

int l,r;

FILE *fpl,*fpm,*fpr;

fpl=fopen("danel","r");

fpm=fopen("danem","w");

fpr=fopen("daner","r");

fscanf(fpl,"%d",&l);

fscanf(fpr,"%d",&r);

while(!feof(fpl)&&!feof(fpr))

{if(l<r)

{fprintf(fpm,"%d ",l);fscanf(fpl,"%d",&l);}

else

{fprintf(fpm,"%d ",r);fscanf(fpr,"%d",&r);};

}

if(l<r)

{fprintf(fpm,"%d ",l);fprintf(fpm,"%d ",r);}

else

{fprintf(fpm,"%d ",r);fprintf(fpm,"%d ",l);};

while(!feof(fpl))

{fscanf(fpl,"%d",&l);fprintf(fpm,"%d ",l);}

while(!feof(fpr))

{fscanf(fpr,"%d",&r);fprintf(fpm,"%d ",r);}

fclose(fpl);

fclose(fpm);

fclose(fpr);

}

---