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2026-09-17 21:49:08 +09:00 · 2026-08-07 15:56:42 +09:00
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+%HDF5_MV_DATA Move data within an HDF5 file
+% hdf5_mv_data creates a new (UNIX-like) hard link at loc_dest to the dataset at
+% loc_origin and deletes the hard link to the dataset at loc_origin.
+%
+% file...       HDF filename
+% loc_origin... location of the data that needs to be moved
+% loc_dest...   destination and name of the new data
+%
+% EXAMPLE:
+%   % move dataset probe from root to group measurements
+%   hdf5_mv_data('./awesome_file.h5', 'probe', 'measurements/probe')
+%
+%   Please notice that all groups and datasets have to exist before running
+%   the script!
+
+%*-----------------------------------------------------------------------*
+%|                                                                       |
+%|  Except where otherwise noted, this work is licensed under a          |
+%|  Creative Commons Attribution-NonCommercial-ShareAlike 4.0            |
+%|  International (CC BY-NC-SA 4.0) license.                             |
+%|                                                                       |
+%|  Copyright (c) 2017 by Paul Scherrer Institute (http://www.psi.ch)    |
+%|                                                                       |
+%|       Author: CXS group, PSI                                          |
+%*-----------------------------------------------------------------------*
+% You may use this code with the following provisions:
+%
+% If the code is fully or partially redistributed, or rewritten in another
+%   computing language this notice should be included in the redistribution.
+%
+% If this code, or subfunctions or parts of it, is used for research in a 
+%   publication or if it is fully or partially rewritten for another 
+%   computing language the authors and institution should be acknowledged 
+%   in written form in the publication: “Data processing was carried out 
+%   using the “cSAXS matlab package” developed by the CXS group,
+%   Paul Scherrer Institut, Switzerland.” 
+%   Variations on the latter text can be incorporated upon discussion with 
+%   the CXS group if needed to more specifically reflect the use of the package 
+%   for the published work.
+%
+% A publication that focuses on describing features, or parameters, that
+%    are already existing in the code should be first discussed with the
+%    authors.
+%   
+% This code and subroutines are part of a continuous development, they 
+%    are provided “as they are” without guarantees or liability on part
+%    of PSI or the authors. It is the user responsibility to ensure its 
+%    proper use and the correctness of the results.
+function hdf5_mv_data( file, loc_origin, loc_dest)
+import io.HDF.*
+plist = 'H5P_DEFAULT';
+
+fileID = H5F.open(file,'H5F_ACC_RDWR',plist);
+
+gpath1 = strsplit(rm_delimiter(loc_origin), '/');
+gid1 = add_groups(fileID, gpath1(1:end-1), plist, false);
+
+gpath2 = strsplit(rm_delimiter(loc_dest), '/');
+gid2 = add_groups(fileID, gpath2(1:end-1), plist, false);
+
+try
+    datasetID = H5D.open(gid1{end}, gpath1{end});
+    dataset = true;
+catch
+    gid1 = add_groups(fileID,gpath1,plist, false);
+    datasetID = gid1{end};
+    dataset = false;
+end
+
+H5O.link(datasetID,gid2{end},gpath2{end},plist,plist);
+if dataset
+    H5L.delete(gid1{end}, gpath1{end}, plist);
+else
+    H5L.delete(gid1{end-1}, gpath1{end}, plist);
+end
+
+H5F.close(fileID);
+
+
+end