Diff: main.cpp

Revision:

0:0c472a310ea9

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp	Wed Mar 24 18:12:48 2010 +0000
@@ -0,0 +1,26 @@
+// a way to create incrementing filenames, sford
+// every time you hit reset, will create a file with incremental filename
+
+#include "mbed.h"
+
+LocalFileSystem local("local");               // Create the local filesystem under the name "local"
+
+int main() {
+    char filename[64];    
+    int n = 0;
+    
+    // set "filename" equal to the next file to write
+    while(1) {
+        sprintf(filename, "/local/file%03d.txt", n);    // construct the filename fileNNN.txt
+        FILE *fp = fopen(filename, "r");                // try and open it
+        if(fp == NULL) {                                // if not found, we're done!
+            break;
+        }
+        fclose(fp);                                     // close the file
+        n++;                                            // and try the next one
+    }
+    
+    FILE *fp = fopen(filename, "w");
+    fprintf(fp, "I am file # %d\n", n);
+    fclose(fp);
+}