C Program to Display its Own Source Code as Output Using File Handling

main.c

#include <stdio.h>
#include <stdlib.h>

int main()
{
   char ch, filename[25];
   FILE *fp;

   printf("Enter The File Name You Want To Open \n");
   gets(filename);

   fp = fopen(filename,"r");

   if( fp == NULL )
   {
      perror("Error While Opening The File. Or File Not Exist\n");
      exit(EXIT_FAILURE);
   }

   printf("\nYour File If Given Below %s :\n\n", filename);

   while( ( ch = fgetc(fp) ) != EOF )
   printf("%c",ch);

   fclose(fp);
   return 0;
}

#include <stdio.h>

#include <stdlib.h>

int main()

{

char ch, filename[25];

FILE *fp;

printf("Enter The File Name You Want To Open \n");

gets(filename);

fp = fopen(filename,"r");

if( fp == NULL )

{

perror("Error While Opening The File. Or File Not Exist\n");

exit(EXIT_FAILURE);

}

printf("\nYour File If Given Below %s :\n\n", filename);

while( ( ch = fgetc(fp) ) != EOF )

printf("%c",ch);

fclose(fp);

return 0;

}

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