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2026-09-17 19:39:08 +09:00 · 2026-08-07 15:56:42 +09:00
commit 91ad25aca9
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+% function specDatFile = find_specDatFile(specDatFile)
+% find location of the spec file in the provided folder / path 
+% if the variable specDatFile is not a complete path to a file
+%   try to guess where a spec data file can be found, by
+%   - look for directories called 'spec' or 'dat-files'
+%   - look for files called '*.dat'
+%   - take the newest one
+
+
+%*-----------------------------------------------------------------------*
+%|                                                                       |
+%|  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 specDatFile = find_specDatFile(specDatFile)
+  while (exist(specDatFile,'file') ~= 2)
+% if the variable specDatFile is not a complete path to a file
+%   try to guess where a spec data file can be found, by
+%   - look for directories called 'spec' or 'dat-files'
+%   - look for files called '*.dat'
+%   - take the newest one
+    compare_str = specDatFile;
+    fname = dir(specDatFile);
+    if (exist(specDatFile,'dir'))
+      if (specDatFile(end) ~= '/')
+        specDatFile = strcat(specDatFile,'/');
+      end
+      
+      for ii=1:numel(fname)
+        if (regexp(fname(ii).name,'.dat$'))
+          specDatFile = strcat(specDatFile,'*.dat');
+          fname = [];
+          break;
+        end
+      end
+      for ii=1:numel(fname)
+        if (strcmp(fname(ii).name,'dat-files'))
+          specDatFile = strcat(specDatFile,fname(ii).name);
+          fname = [];
+          break;
+        end
+      end
+      for ii=1:numel(fname)
+        if (strcmp(fname(ii).name,'specES1'))
+          specDatFile = strcat(specDatFile,fname(ii).name);
+          break;
+        end
+        if (strcmp(fname(ii).name,'spec'))
+          specDatFile = strcat(specDatFile,fname(ii).name);
+          break;
+        end
+      end
+    else
+      if (numel(fname)>0)
+        [~,ii] = max(cell2mat({fname.datenum}));
+        specDatFile = regexprep(specDatFile,'\*\.dat$',fname(ii).name);
+      else
+        error('''%s'' cannot be found.', specDatFile);
+        break
+      end
+    end
+    if (strcmp(specDatFile,compare_str))
+      break
+    end
+  end
+  
+  if ~exist(specDatFile, 'file') || exist(specDatFile, 'dir')
+     error('Spec dat file not found in the provided path %s', specDatFile) 
+  end
+  
+end