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29 lines
774 B
Python
29 lines
774 B
Python
#
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# This example creates an HDF5 file vlstring.h5 and DSvariable dataset in it.
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# Then it opens the file and reads data back.
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#
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import h5py
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#
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# Create a new file using default properties.
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#
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file = h5py.File('vlstring.h5','w')
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#
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# Create a dataset under the Root group using variable-length string type.
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#
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str_type = h5py.special_dtype(vlen=str)
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dataset = file.create_dataset("DSvariable",(4,), dtype=str_type)
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data = ("Parting", " is such", " sweet", " sorrow...")
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dataset[...] = data
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#
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# Close the file before exiting
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#
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file.close()
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file = h5py.File('vlstring.h5', 'r')
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dataset = file['DSvariable']
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data_out = dataset[...]
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for i in range(4):
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print("DSvariable[",i,"]", "'"+data_out[i].decode('utf-8')+"'", "has length", len(data_out[i]))
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print(data_out)
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file.close()
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