Question

Create a c file to read from an existing file one character at a time and print that character to the console

Create a c file to read a character from the standard input and write it to a file.

please help me

Answer 1

Code:

#include<stdio.h>
int main()
{
   char ch;
   FILE *file; //file pointer decleration
   file=fopen("text.txt","r"); //open file in read mode
   if (file == NULL)
printf("Can not open file\n"); //could not open file
else // file open successfully
{
   ch =fgetc(file); //read first charecter in ch
   while(ch!=EOF) // run untill the last charecter of file
       {
           printf("%c",ch); //print charecter by charecter in console
           ch=fgetc(file); //point next charecter
       }
   }
   fclose(file); //close the file
   return 0;
}

text file:

Output:

2nd code to write char in file:

#include <stdio.h>

int main()
{
   FILE *fptr; // creating a FILE variable
char ch; // creating a character variable
   fptr = fopen("test.txt", "w"); // open the file in write mode
   printf("Enter a charecter\n");
   scanf("%c",&ch); // take user input
putc(ch, fptr); // write character ch in file
printf("Write in file successfully");
   fclose(fptr); // close the file
}

Output file:

Output: