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authorScot Breitenfeld <brtnfld@hdfgroup.org>2012-12-12 04:00:34 (GMT)
committerScot Breitenfeld <brtnfld@hdfgroup.org>2012-12-12 04:00:34 (GMT)
commit7155aa6f1dbf1d01765f5a61dbbeb13098f548f6 (patch)
tree56a909cc236f4a761c7f1e8538de9c9a53918188 /examples/h5_rdwt.c
parent3079b8dde8eabe7b130473a859a3f0abddd46c2d (diff)
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[svn-r23091] Changed C examples to reflect changes in documentation via Barbara;
mainly program additions from tutorial. Tested: jam (gnu compilers)
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+/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
+ * Copyright by The HDF Group. *
+ * Copyright by the Board of Trustees of the University of Illinois. *
+ * All rights reserved. *
+ * *
+ * This file is part of HDF5. The full HDF5 copyright notice, including *
+ * terms governing use, modification, and redistribution, is contained in *
+ * the files COPYING and Copyright.html. COPYING can be found at the root *
+ * of the source code distribution tree; Copyright.html can be found at the *
+ * root level of an installed copy of the electronic HDF5 document set and *
+ * is linked from the top-level documents page. It can also be found at *
+ * http://hdfgroup.org/HDF5/doc/Copyright.html. If you do not have *
+ * access to either file, you may request a copy from help@hdfgroup.org. *
+ * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
+
+/*
+ * This example illustrates how to write and read data in an existing
+ * dataset. It is used in the HDF5 Tutorial.
+ */
+
+#include "hdf5.h"
+#define FILE "dset.h5"
+
+int 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", H5P_DEFAULT);
+
+ /* 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);
+}