Question

Two files named “Source1” and “Source2” contain sorted list of integers. Write a

program that reads the contents of both the files and stores the merged list in sorted form in a

new file named „Target‟.​

Answer 1

Answer:

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Answer 2

Answer:

C Program:

Explanation:

#include <stdio.h>

#include <stdlib.h>

 

int main()

{

  // Open two files to be merged

  FILE *fp1 = fopen("Source1.txt", "r");

  FILE *fp2 = fopen("Source2.txt", "r");

 

  // Open file to store the result

  FILE *fp3 = fopen("Target.txt", "w");

  char c;

 

  if (fp1 == NULL || fp2 == NULL || fp3 == NULL)

  {

        puts("Could not open files");

        exit(0);

  }

 

  // Copy contents of first file to Target.txt

  while ((c = fgetc(fp1)) != EOF)

     fputc(c, fp3);

 

  // Copy contents of second file to Target.txt

  while ((c = fgetc(fp2)) != EOF)

     fputc(c, fp3);

 

  printf("Merged Source1.txt and Source2.txt into Target.txt");

 

  fclose(fp1);

  fclose(fp2);

  fclose(fp3);

  return 0;

}