--- a/simtool/readcmd.c	Sun Jan 24 20:35:23 2021 +0000
+++ b/simtool/readcmd.c	Sun Jan 24 20:47:00 2021 +0000
@@ -61,3 +61,49 @@
 	display_sim_resp_in_hex();
 	return(0);
 }
+
+cmd_readef(argc, argv)
+	char **argv;
+{
+	int file_id, rc;
+	unsigned readlen;
+
+	if (isxdigit(argv[1][0]) && isxdigit(argv[1][1]) &&
+	    isxdigit(argv[1][2]) && isxdigit(argv[1][3]) && !argv[1][4])
+		file_id = strtoul(argv[1], 0, 16);
+	else
+		file_id = find_symbolic_file_name(argv[1]);
+	if (file_id < 0) {
+		fprintf(stderr,
+"error: file ID argument is not a hex value or a recognized symbolic name\n");
+		return(-1);
+	}
+	rc = select_op(file_id);
+	if (rc < 0)
+		return(rc);
+	rc = parse_ef_select_response();
+	if (rc < 0)
+		return(rc);
+	if (curfile_structure != 0x00) {
+		fprintf(stderr,
+			"error: readef command is only for transparent EFs\n");
+		return(-1);
+	}
+	printf("Transparent EF of %u byte(s)\n", curfile_total_size);
+	printf("File status: %02X\n", sim_resp_data[11]);
+	show_access_conditions("UPDATE", sim_resp_data[8] & 0xF);
+	show_access_conditions("READ & SEEK", sim_resp_data[8] >> 4);
+	show_access_conditions("INCREASE", sim_resp_data[9] >> 4);
+	show_access_conditions("INVALIDATE", sim_resp_data[10] & 0xF);
+	show_access_conditions("REHABILITATE", sim_resp_data[10] >> 4);
+	if (!curfile_total_size)
+		return(0);
+	readlen = curfile_total_size;
+	if (readlen > 256)
+		readlen = 256;
+	rc = readbin_op(0, readlen);
+	if (rc < 0)
+		return(rc);
+	display_sim_resp_in_hex();
+	return(0);
+}