[svn-r3196]

Purpose:
    Adding Tutorial to development branch (R 1.4)
Platforms tested:
    IE 5

doc/html/Tutor/examples/h5_rdwt.c

@@ -0,0 +1,37 @@
+/* 
+ *   Writing and reading an existing dataset.
+ */
+
+#include <hdf5.h>
+#define FILE "dset.h5"
+
+main() {
+
+   hid_t       file_id, dataset_id;  /* identifiers */
+   herr_t      status;
+   int         i, j, dset_data[4][6];
+
+   /* Initialize the dataset. */
+   for (i = 0; i < 4; i++)
+      for (j = 0; j < 6; j++)
+         dset_data[i][j] = i * 6 + j + 1;
+
+   /* Open an existing file. */
+   file_id = H5Fopen(FILE, H5F_ACC_RDWR, H5P_DEFAULT);
+
+   /* Open an existing dataset. */
+   dataset_id = H5Dopen(file_id, "/dset");
+
+   /* Write the dataset. */
+   status = H5Dwrite(dataset_id, H5T_NATIVE_INT, H5S_ALL, H5S_ALL, H5P_DEFAULT, 
+                     dset_data);
+
+   status = H5Dread(dataset_id, H5T_NATIVE_INT, H5S_ALL, H5S_ALL, H5P_DEFAULT, 
+                    dset_data);
+
+   /* Close the dataset. */
+   status = H5Dclose(dataset_id);
+
+   /* Close the file. */
+   status = H5Fclose(file_id);
+}