#include<stdlib.h>
#include<graph.h>
#include<stdio.h>
#include<string.h>
 
int main(int argn , char** const argv){
    FILE *f;
    char c;
    long l;
    f=fopen(argv[1],"r");
    if(f==NULL){
        printf("Le fichier n'existe pas.\n");
    } else{
        fread(&c,1,1,f);
        while (!(feof(f))){
            if(c=='e'){
                l=ftell(f)-1;
                fclose(f);
                fopen(argv[1],"r+");
                fseek(f,l,SEEK_SET);
                fwrite(&c,1,1,f);
                fclose(f);
                f=fopen(argv[1],"r");
                fread(&c,1,1,f);
            }
        }
    }

    return 0;
}