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GrainOS.ino

@@ -0,0 +1,33 @@
+void setup() {
+  Serial.begin(9600);
+  bool Userregistered = false;
+}
+
+void loop() {
+  if (Serial.available()) {
+    String input = Serial.readStringUntil('\n'); 
+    input.trim();
+
+    if (input == "clear") {
+      for (int i = 0; i < 50; i++) {
+        Serial.println(); // very, very, VERY scuffed clear command. Adds 50 blank likes to the 'terminal'
+      }
+    } 
+    else if (input.startsWith("echo")) {
+      String message = input.substring(5); //simple echo command (absolutely stolen from linux and made even more scuffed!)
+      message.trim(); 
+      
+      if (message.length() > 0) {
+        Serial.println(message); 
+      }
+    }
+    else if (input.startsWith("format(")) {
+      if (input.endsWith(")")) {
+        input = input.substring(7, input.length() - 1); 
+        input.replace("\"", ""); 
+        input.replace(",", " "); 
+        Serial.println(input); //Happy, Yasmina?
+      }
+    }
+  }
+}