added arduino, modified build

arduino/libraries/SD/examples/Files/Files.ino

@@ -0,0 +1,75 @@
+/*
+  SD card basic file example
+
+ This example shows how to create and destroy an SD card file
+ The circuit:
+ * SD card attached to SPI bus as follows:
+ ** MOSI - pin 11
+ ** MISO - pin 12
+ ** CLK - pin 13
+ ** CS - pin 4 (for MKRZero SD: SDCARD_SS_PIN)
+
+ created   Nov 2010
+ by David A. Mellis
+ modified 9 Apr 2012
+ by Tom Igoe
+
+ This example code is in the public domain.
+
+ */
+#include <SPI.h>
+#include <SD.h>
+
+File myFile;
+
+void setup() {
+  // Open serial communications and wait for port to open:
+  Serial.begin(9600);
+  while (!Serial) {
+    ; // wait for serial port to connect. Needed for native USB port only
+  }
+
+
+  Serial.print("Initializing SD card...");
+
+  if (!SD.begin(4)) {
+    Serial.println("initialization failed!");
+    while (1);
+  }
+  Serial.println("initialization done.");
+
+  if (SD.exists("example.txt")) {
+    Serial.println("example.txt exists.");
+  } else {
+    Serial.println("example.txt doesn't exist.");
+  }
+
+  // open a new file and immediately close it:
+  Serial.println("Creating example.txt...");
+  myFile = SD.open("example.txt", FILE_WRITE);
+  myFile.close();
+
+  // Check to see if the file exists:
+  if (SD.exists("example.txt")) {
+    Serial.println("example.txt exists.");
+  } else {
+    Serial.println("example.txt doesn't exist.");
+  }
+
+  // delete the file:
+  Serial.println("Removing example.txt...");
+  SD.remove("example.txt");
+
+  if (SD.exists("example.txt")) {
+    Serial.println("example.txt exists.");
+  } else {
+    Serial.println("example.txt doesn't exist.");
+  }
+}
+
+void loop() {
+  // nothing happens after setup finishes.
+}
+
+
+