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fold_slice/+beamline/find_specDatFile.m
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2026-08-07 15:56:42 +09:00

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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