shell: generalise interface of mufs write/mufs append by reading stdin

source/shell/mufs.c

@@ -205,18 +205,9 @@ int shell_write(struct console *con, size_t argc, const char **argv)
 		return -1;
 	}
 
-#if CONFIG_USER_ECHO
-	fprintf(con->fp, "> ");
-#endif
-
-	while ((ret = console_read(con, data, sizeof data)) > 0) {
+	if ((ret = console_read(con, data, sizeof data)) > 0)
 		mufs_write(file, data, ret);
 
-#if CONFIG_USER_ECHO
-		fprintf(con->fp, "\n> ");
-#endif
-	}
-
 	mufs_close(file);
 
 	return 0;
@@ -224,12 +215,12 @@ int shell_write(struct console *con, size_t argc, const char **argv)
 
 int shell_append(struct console *con, size_t argc, const char **argv)
 {
-	struct mufs_file *file;
 	char data[256];
-	size_t n;
+	struct mufs_file *file;
+	ssize_t ret;
 
-	if (argc < 2) {
-		fprintf(con->fp, "usage: mufs append <path> <line>\n");
+	if (argc < 1) {
+		fprintf(con->fp, "usage: mufs append <path>\n");
 		return -1;
 	}
 
@@ -243,13 +234,9 @@ int shell_append(struct console *con, size_t argc, const char **argv)
 		return -1;
 	}
 
-	n = strlen(argv[1]);
-
-	memcpy(data, argv[1], n);
-	data[n] = '\n';
-	data[n + 1] = '\0';
+	if ((ret = console_read(con, data, sizeof data)) > 0)
+		mufs_write(file, data, ret);
 
-	mufs_write(file, data, n + 1);
 	mufs_close(file);
 
 	return 0;