File read/write example for SDK.

examples/sdk/fileex.cpp

@@ -0,0 +1,47 @@
+/* 
+ * This file is part of the Rishka distribution (https://github.com/rishka-esp32/rishka-sdk).
+ * Copyright (c) 2024 Nathanne Isip.
+ * 
+ * This program is free software: you can redistribute it and/or modify  
+ * it under the terms of the GNU General Public License as published by  
+ * the Free Software Foundation, version 3.
+ *
+ * This program is distributed in the hope that it will be useful, but 
+ * WITHOUT ANY WARRANTY; without even the implied warranty of 
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License 
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include <librishka.h>
+
+void create_file();
+void read_file();
+
+i32 main() {
+    create_file();
+    read_file();
+
+    return 0;
+}
+
+void create_file() {
+    File file = File::open(F("/test.txt"), F("w"));
+    file.write(F("Hello, world!"));
+    file.close();
+}
+
+void read_file() {
+    File file = File::open(F("/test.txt"), F("r"));
+    rune contents[file.size()];
+
+    i32 data, idx = 0;
+    while((data = file.read()) != -1)
+        contents[idx++] = (rune) data;
+    file.close();
+
+    IO::print(contents);
+    IO::print(F("\r\n"));
+}