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100 lines
3.4 KiB
Matlab
100 lines
3.4 KiB
Matlab
%HDF5_DSET_EXISTS check if dataset exists in given file
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% file... h5 file path
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% dset... dataset name
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%
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% *optional*
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% gpath... path within the h5 file; default root (/)
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% check_links... include links; default true
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%
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% EXAMPLES:
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% out = io.HDF.hdf5_dset_exists('./recons.h5',
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% 'object_phase_unwrapped', '/reconstruction', true);
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%
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%*-----------------------------------------------------------------------*
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%| |
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%| Except where otherwise noted, this work is licensed under a |
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%| Creative Commons Attribution-NonCommercial-ShareAlike 4.0 |
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%| International (CC BY-NC-SA 4.0) license. |
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%| |
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%| Copyright (c) 2017 by Paul Scherrer Institute (http://www.psi.ch) |
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%| |
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%| Author: CXS group, PSI |
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%*-----------------------------------------------------------------------*
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% You may use this code with the following provisions:
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%
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% If the code is fully or partially redistributed, or rewritten in another
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% computing language this notice should be included in the redistribution.
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%
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% If this code, or subfunctions or parts of it, is used for research in a
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% publication or if it is fully or partially rewritten for another
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% computing language the authors and institution should be acknowledged
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% in written form in the publication: “Data processing was carried out
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% using the “cSAXS matlab package” developed by the CXS group,
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% Paul Scherrer Institut, Switzerland.”
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% Variations on the latter text can be incorporated upon discussion with
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% the CXS group if needed to more specifically reflect the use of the package
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% for the published work.
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%
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% A publication that focuses on describing features, or parameters, that
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% are already existing in the code should be first discussed with the
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% authors.
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%
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% This code and subroutines are part of a continuous development, they
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% are provided “as they are” without guarantees or liability on part
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% of PSI or the authors. It is the user responsibility to ensure its
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% proper use and the correctness of the results.
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function [out] = hdf5_dset_exists(file, dset, varargin)
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out = false;
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% load info
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if nargin > 2
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h = h5info(file, varargin{1});
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else
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h = h5info(file);
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end
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if nargin > 3
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check_links = varargin{2};
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else
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check_links = true;
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end
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if nargin > 4
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check_groups = varargin{3};
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else
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check_groups = true;
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end
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% loop through datasets and check if name exists
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for ii=1:numel(h.Datasets)
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if strcmpi(h.Datasets(ii).Name, dset)
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out = true;
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break
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end
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end
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if check_links
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for ii=1:numel(h.Links)
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if strcmpi(h.Links(ii).Name, dset)
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out = true;
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break
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end
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end
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end
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if check_groups
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for ii=1:numel(h.Groups)
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[~, gname] = fileparts(h.Groups(ii).Name);
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if strcmpi(gname, dset)
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out = true;
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break
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end
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end
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end
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end
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