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A program to create a file, perform READ & WRITE operations on it

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C Programming Language 114

  • Write a program to create a file, perform READ & WRITE operations on it

Program

#include <stdio.h>
 
void main()
{
    FILE *fp;
    char c;
 
    printf("Type the content to store in hello.txt ... (Press CTRL+D to trigger EOF)\n\n");
 
    fp = fopen("hello.txt", "w");
    while ((c = getchar()) != EOF)
    {
        putc(c, fp);
    }
    fclose(fp);
 
    fp = fopen("hello.txt", "r");
    while ((c = getc(fp)) != EOF)
    {
        putchar(c);
    }
    fclose(fp);
 
    printf("\n");
}

Result

Type the content to store in hello.txt ... (Press CTRL+D to trigger EOF)

Testing write oprtn in a file...
1 2 3
Testing new lines
Last line...Testing write oprtn in a file...
1 2 3
Testing new lines
Last line...

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