Updated to reflect download of external dependencies

.gitignore

@@ -0,0 +1 @@
+external-dependencies/

README.md

@@ -23,10 +23,13 @@ structure tensors based upon 2D data using the GOP coloring scheme.
 To use the code available in this repository, add the following 
 lines to your startup.m file.
 
-addpath_recurse('<your path to where you keep the repository>')
+addpath('<your path to where you keep the repository>')
+setup_tensor_processing_repository()
 
 Note that this library is dependent on my matlab-utilities repository,
-available from https://github.com/fordanic/matlab-utilities.
+available from https://github.com/fordanic/matlab-utilities. If this 
+repository is not available on the path then needed files can be downloaded
+during setup of repository.
 
 # Coding standard
 

setup_tensor_processing_repository.m

@@ -0,0 +1,69 @@
+function setup_tensor_processing_repository()
+% SETUP_TENSOR_PROCESSING_REPOSITORY Call this function to setup this repository
+%
+% setup_tensor_processing_repository
+
+% Copyright (c) 2015 Daniel Forsberg
+% [email protected]
+%
+% This program is free software: you can redistribute it and/or modify
+% it under the terms of the GNU General Public License as published by
+% the Free Software Foundation, either version 3 of the License, or
+% (at your option) any later version.
+%
+% This program is distributed in the hope that it will be useful,
+% but WITHOUT ANY WARRANTY; without even the implied warranty of
+% MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+% GNU General Public License for more details.
+%
+% You should have received a copy of the GNU General Public License
+% along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+% Get folder of current file and go to folder
+folder = fileparts(mfilename('fullpath'));
+currentFolder = pwd;
+cd(folder)
+
+%% Download external dependencies if needed
+
+% Load external dependencies and check which are missing
+load externalDependenciesTensorProcessing
+missingExternalDependencies = [];
+for k = 1 : length(fileNames)
+    if ~exist(fileNames{k},'file')
+        missingExternalDependencies(end + 1) = k;
+    end
+end
+
+% Ask missing files should be downloaded
+if ~isempty(missingExternalDependencies)
+    disp('The following files, which are necessary for the tensor processing repository are missing:')
+    for k = 1 : length(missingExternalDependencies)
+        disp(fileNames{k})
+    end
+    answer = input('Would you like to download them? [y]/[n] ','s');
+
+    % If yes, download missing files
+    if strcmp(lower(answer),'y') || strcmp(lower(answer),'yes')
+        if ~exist([folder,filesep,'external-dependencies'],'dir')
+            mkdir('external-dependencies')
+            cd('external-dependencies')
+        end
+        cd('external-dependencies')
+        for k = 1 : length(missingExternalDependencies)
+            disp(['Downloading: ',fileNames{missingExternalDependencies(k)}])
+            urlwrite(urls{missingExternalDependencies(k)},...
+                fileNames{missingExternalDependencies(k)});
+        end
+        addpath(pwd)
+    end
+end
+
+%% Add external dependencies path
+if exist([folder,filesep,'external-dependencies'],'dir')
+    addpath([folder,filesep,'external-dependencies'])
+end
+
+% Go back to original folder
+cd(currentFolder)
+