1function parsed = parseLog(filename) 2% 3% parsed = parseLog(filename) 4% Parses a DataLog text file, with the filename specified in the string 5% filename, into a struct with each column name as a field, and with the 6% column data stored as a vector in that field. 7% 8% Arguments 9% 10% filename: A string with the name of the file to parse. 11% 12% Return value 13% 14% parsed: A struct containing each column parsed from the input file 15% as a field and with the column data stored as a vector in that 16% field. 17% 18 19% Copyright (c) 2011 The WebRTC project authors. All Rights Reserved. 20% 21% Use of this source code is governed by a BSD-style license 22% that can be found in the LICENSE file in the root of the source 23% tree. An additional intellectual property rights grant can be found 24% in the file PATENTS. All contributing project authors may 25% be found in the AUTHORS file in the root of the source tree. 26 27table = importdata(filename, ',', 1); 28if ~isstruct(table) 29 error('Malformed file, possibly empty or lacking data entries') 30end 31 32colheaders = table.textdata; 33if length(colheaders) == 1 34 colheaders = regexp(table.textdata{1}, ',', 'split'); 35end 36 37parsed = struct; 38i = 1; 39while i <= length(colheaders) 40 % Checking for a multi-value column. 41 m = regexp(colheaders{i}, '([\w\t]+)\[(\d+)\]', 'tokens'); 42 if ~isempty(m) 43 % Parse a multi-value column 44 n = str2double(m{1}{2}) - 1; 45 parsed.(strrep(m{1}{1}, ' ', '_')) = table.data(:, i:i+n); 46 i = i + n + 1; 47 elseif ~isempty(colheaders{i}) 48 % Parse a single-value column 49 parsed.(strrep(colheaders{i}, ' ', '_')) = table.data(:, i); 50 i = i + 1; 51 else 52 error('Empty column'); 53 end 54end 55