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+io/multiple_mcs_headers.m
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% [] = multiple_mcs_headers(scan_no_from,scan_no_to)
%*-----------------------------------------------------------------------*
%|                                                                       |
%|  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 [] = multiple_mcs_headers(scan_no_from,scan_no_to)
import utils.compile_x12sa_filename
if (nargin ~= 2)
fprintf('Usage: %s <scan no. from> <scan no. to>\n',mfilename);
fprintf('Searches for multiple MCS headers, renames the matching files and\n');
fprintf('writes a new file with only the last header and its data.\n');
fprintf('This is just a workaround for the current implementation of the MCS\n');
fprintf('where spec stores the MCS data several times in case a cont_line is repeated.\n');
end
for (scan_no = scan_no_from:scan_no_to)
dirname = compile_x12sa_filename(scan_no, -1, 'BasePath','~/Data10/mcs/');
dirinfo = dir([ dirname '*.dat' ]);
if (length(dirinfo) < 1)
fprintf('%s not found\n',filename);
else
for (ind = 1:length(dirinfo))
filename = [dirname dirinfo(ind).name];
fid = fopen(filename,'r');
% read all data at once
[fdat,~] = fread(fid,'uint8=>uint8');
fclose(fid);
% check for multiple fileheaders
header_start = strfind(fdat','# MCS file version');
if (length(header_start) > 1)
fprintf('%s has %d headers\n',filename, length(header_start));
% rename the file
movefile(filename, [filename '_org']);
% use the last file part
fdat = fdat(header_start(end):end);
% store the truncated data
fid = fopen(filename,'w');
fwrite(fid,fdat);
fclose(fid);
end
end
end
end