savenh5

save workspace variables to .nh5 file

Syntax

• savenh5(filename)
• savenh5(filename, var1, ..., varN)
• savenh5(filename, '-append', ...)
• savenh5(filename, '-nocompression', ...)

Input argument

• filename - a string: .nh5 filename.
• var1, ..., varN - string: Names of variables to save from Nelson's workspace.
• '-append' - append variables to an existing .nh5 file.
• '-nocompression' - disable .nh5 file compression.

Description

savenh5 save workspace variables to .nh5 file.

.nh5 file uses hdf5 file as container.

Examples

A = ones(3, 4);
B = 'hello for open mat users';
savenh5([tempdir(), 'example_h5load.nh5'], 'A', 'B')
clear;
st = loadnh5([tempdir(), 'example_h5load.nh5']);
who
st.A
st.B
clear
who
loadnh5([tempdir(), 'example_h5load.nh5']);
who
A
B

append variables

C = eye(3, 4);
savenh5([tempdir(), 'example_h5load.nh5'], 'C', '-append')
clear;
st = loadnh5([tempdir(), 'example_h5load.nh5']);
who
st.A
st.B
st.C
clear
who
loadnh5([tempdir(), 'example_h5load.nh5']);
who
A
B
C

compression

C = eye(1000, 1000);
savenh5([tempdir(), 'example_h5save_with_compression.nh5'], 'C')
savenh5([tempdir(), 'example_h5save_no_compression.nh5'], 'C', '-nocompression')
with_compression = dir([tempdir(), 'example_h5save_with_compression.nh5'])
no_compression = dir([tempdir(), 'example_h5save_no_compression.nh5'])

See also

loadnh5, h5write.

History

Author

Allan CORNET