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