C++
#include<iostream>
#include<fstream>
#include<cstring>
using namespace std;
int main(){
ifstream f("fisier.txt");
ofstream g("copie.txt");
char x;
while(f.get(x)) g<<x;
g.close();
return 0;
}
C
#include<stdio.h>
#include<stdlib.h>
#include<string.h>
int main() {
FILE *f, *g;
f=fopen("fisier.txt", "r");
g=fopen("copie.txt", "w");
char x;
x=fgetc(f);
while(x!=EOF) {fputc(x, g); x=fgetc(f);}
fclose(f);
fclose(g);
return 0;
}