CONCATÉNATION DE DEUX FIHCIER

/*********************************************************************************/
/*Ce programme est sous license GNU                                              */
/*El Antri Abdellah (Djillali Liabes university, Informatic departement, Algeria)*/
/*E-Mail: El_Emir_2002@yahoo.fr                                                  */
/*********************************************************************************/

/*-------------------------------------------------------------------------*/
/* Compiled with TC++ 3 under windows                                      */
/* Use cc to compil programme under unix/linux                          */
/*-------------------------------------------------------------------------*/

#include<conio.h>
#include<stdio.h>
#include<stdlib.h>

int main(int argc,char **argv)
{
char buf[2*1024], fname_src[50], fname_dest[50];
FILE *src,*dest;
int copyed, read, nbr_err;

printf("\n\r Copyright(C), El Antri Abdellah 2001\n");
printf("\n\r *****************************************************************************");
printf("\n\r *This program concatenate the file src in the end of file dest.             *");
printf("\n\r *if the file dest does not exist the programme create it and copy src in it.*");
printf("\n\r *file src and file dest must be in current directory                         *");
printf("\n\r *****************************************************************************");
if(argc != 3)
  {
  printf("\n Name of file src:");scanf("%s",fname_src);
  printf("\n Name of file dest:");scanf("%s",fname_dest);
  }
  else if (argc == 3)
       {
       strcpy(fname_src, argv[1]);
       strcpy(fname_dest, argv[2]);
       }
       else {
	    printf("\n\r Syntax error: Concat name_file_src name_file_dest or concat.");
	    printf("\n\r Hit key ..");
	    exit(1);
	    }

if((dest = fopen(fname_dest,"a+")) == NULL)
		{
		printf("\n Erreur: can't open or create %s",fname_dest);
		exit(1);
		}
if((src = fopen(fname_src,"r")) == NULL)
      {
      printf("\n Erreur: can't open %s",fname_src);
      fclose(dest);
      exit(1);
      }
printf("\nGo!\n");
while(!feof(src))
     {
     printf(".");
     nbr_err = 0;
     read = 0;
     do
       {
	nbr_err = nbr_err + 1;
	read = fread(buf,sizeof(buf),1,src);
       }while (read != 1 && nbr_err < 5);
     if(nbr_err == 5)
       {
       printf("\n\r Error: Read from %s",fname_src);
       printf("\n\r Hit key ..");
       getch();
       exit(1);
       }
     nbr_err = 0;
     copyed = 0;
     do
       {
	nbr_err = nbr_err + 1;
	copyed = fwrite(buf,sizeof(buf),1,dest);
       }while( copyed != 1 && nbr_err < 5);
     if(nbr_err == 5)
       {
       printf("\n\r Error: Write to %s",fname_dest);
       printf("\n\r Hit key ..");
       getch();
       exit(1);
       }

     }
fclose(src);
fclose(dest);
return(0);

}