rprintf(F," -r, --recursive recurse into directories\n");
rprintf(F," -R, --relative use relative path names\n");
rprintf(F," -b, --backup make backups (default %s suffix)\n",BACKUP_SUFFIX);
rprintf(F," -r, --recursive recurse into directories\n");
rprintf(F," -R, --relative use relative path names\n");
rprintf(F," -b, --backup make backups (default %s suffix)\n",BACKUP_SUFFIX);