hri_load_logfile.m
dd9742905126highres-probe

hri_load_logfile.m
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			% Copyright (C) 2017 EPFL-LSRO (Laboratoire de Systemes Robotiques).
			%
			% Licensed under the Apache License, Version 2.0 (the "License");
			% you may not use this file except in compliance with the License.
			% You may obtain a copy of the License at
			%
			% http://www.apache.org/licenses/LICENSE-2.0
			%
			% Unless required by applicable law or agreed to in writing, software
			% distributed under the License is distributed on an "AS IS" BASIS,
			% WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
			% See the License for the specific language governing permissions and
			% limitations under the License.

			function variables = hri_load_logfile(filename)
			%HRI_LOAD_LOGFILE Loads a HRI logfile to a MATLAB structure.
			% Loads the filename with the given filename. A MATLAB structure is
			% generated, each named field is an array of the history of the variable
			% value.

			%% Read the header to get the variables names.
			fid = fopen(filename, 'r');

			line = fgetl(fid);

			varNames = textscan(line, '%s', 'Delimiter', ';');
			varNames = varNames{:};

			%%

			% Replace the special characters by '_'.
			for i = 1:length(varNames)
			varName = varNames{i};
			varName((varName < 'a' \| varName > 'z') & ...
			(varName < 'A' \| varName > 'Z') & ...
			(varName < '0' \| varName > '9')) = '_';
			varNames{i} = varName;
			end

			fclose(fid);

			%% Read the variables values over time.
			A = dlmread(filename, ';', 1, 0);

			%% Create a structure with a field per variable.
			for i=1:length(varNames)
			variables.(varNames{i}) = A(:,i);
			end

			end