Question

I am trying to read characters from a file and writing them to another. The problem is, though everything is being written, a weird symbol is getting appended in the next line of write file. My code is:

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

using namespace std;

int main(){

    FILE *f, *g;
    int ch;
    f = fopen("readfile", "r");
    g = fopen("writefile", "w");
    while(ch != EOF){
            ch = getc(f);
            putc(ch, g);
    }
    fclose(f);
    fclose(g);
return 0;
}

What may be the reason for that?

Answer 1

It’s because you write ch to the other file before you check if it’s EOF, so that one gets written too.