--- a
+++ b/functions/adminfunc/plugin_install.m
@@ -0,0 +1,134 @@
+% PLUGIN_INSTALL - install EEGLAB plugin. Called by PLUGIN_ASKINSTALL.
+%
+% Usage:
+%  plugin_install(zipfilelink, name, version, force, size);
+%
+% Inputs:
+%  zipfilelink - [string] web link to zip file
+%  name        - [string] name of the plugin
+%  version     - [string] version of the plugin
+%  size        - [real] size of the plugin in Kb
+%  force       - [boolean] force install (even if already installed)
+%
+% Note: To install plugins from the command line, type in
+%
+% plugin_askinstall('xxxxxx', [], true); % with xxxx being the name of the plugin
+%
+% See also: PLUGIN_ASKINSTALL
+
+% Copyright (C) 2012- Arnaud Delorme
+%
+% This file is part of EEGLAB, see http://www.eeglab.org
+% for the documentation and details.
+%
+% Redistribution and use in source and binary forms, with or without
+% modification, are permitted provided that the following conditions are met:
+%
+% 1. Redistributions of source code must retain the above copyright notice,
+% this list of conditions and the following disclaimer.
+%
+% 2. Redistributions in binary form must reproduce the above copyright notice,
+% this list of conditions and the following disclaimer in the documentation
+% and/or other materials provided with the distribution.
+%
+% THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+% AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+% IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+% ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
+% LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+% CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+% SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+% INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+% CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+% ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
+% THE POSSIBILITY OF SUCH DAMAGE.
+
+function result = plugin_install(zipfilelink, name, version, pluginsize, forceInstall)
+
+    if nargin < 5, forceInstall = false; end
+    if nargin == 4 && (pluginsize == 0 || pluginsize == 1)
+        forceInstall = pluginsize; % previous calling format where size was not present
+    end
+    result = 1;
+
+    % get plugin path
+    % ---------------
+    %version(find(version == '.'))  = '_';
+    generalPluginPath = fullfile(fileparts(which('eeglab.m')), 'plugins');
+    newPluginPath     = fullfile(generalPluginPath, [ name version ]);
+
+    % check plugin size
+    % -----------------
+    zipfile = 'tmp.zip';
+    if pluginsize > 500000 && ~forceInstall
+        res = questdlg2( [ 'Extension ' name ' size is ' num2str(ceil(pluginsize/100)/10) 'MB. Are you sure' 10 ...
+            'you want to download this extension?' ], 'Warning', 'No', 'Yes', 'Yes');
+        if strcmpi(res, 'no'), fprintf([ 'Skipping ' name ' extension installation\n' ]); 
+            result = -1; 
+            return; 
+        end
+    end
+         
+    try
+        if exist('OCTAVE_VERSION', 'builtin') == 0
+            plugin_urlread(['http://sccn.ucsd.edu/eeglab/plugin_uploader/plugin_increment.php?plugin=' name '&version=' version ]);
+            plugin_urlwrite( zipfilelink, fullfile(generalPluginPath, zipfile));
+        else
+            urlread(['http://sccn.ucsd.edu/eeglab/plugin_uploader/plugin_increment.php?plugin=' name '&version=' version ]);
+            urlwrite( zipfilelink, fullfile(generalPluginPath, zipfile));
+        end
+    catch
+        msg = [ 'Could not download extension. Host site might be' 10 ...
+                'unavailable, too slow or you do not have permission' 10 ...
+                'to write in the EEGLAB plugin folder. Try again' 10 ... 
+                'just in case or use a faster connection.' 10 10 ...
+                'Alternatively install the plugin manually by downloading' 10 ...
+                'it at http://sccn.ucsd.edu/wiki/EEGLAB_Extensions_and_plug-ins' 10 ...
+                'unziping it in the eeglab/plugin folder and restarting eeglab'];
+        if ~forceInstall
+            warndlg2(msg);
+        else
+            disp(msg);
+        end
+        result = -1;
+        return;
+    end
+
+    % unzip plugin
+    % ------------
+    if ~exist(newPluginPath)
+        mkdir(newPluginPath);
+    else
+        msg = [ 'Extension folder already exist ' newPluginPath 10 'Remove it manually before installing extension' ];
+        if ~forceInstall
+            warndlg2(msg);
+        else
+            disp(msg);
+        end
+        result = -1;
+        return;
+    end
+    disp([ 'Unzipping extension file... ']);
+    unzip(fullfile(generalPluginPath, zipfile), newPluginPath);
+    
+    disp('Cleaning up zip file...');
+    delete(fullfile(generalPluginPath, zipfile));
+    
+    % seeing what is in the plugin and moving files if necessary
+    % ----------------------------------------------------------
+    pluginContent = dir(newPluginPath);
+    if length(pluginContent) > 3
+        return;
+    end
+    for index = 1:length(pluginContent)
+        if ~strcmpi(pluginContent(index).name, '.') && ~strcmpi(pluginContent(index).name, '..')
+            fullFolder = fullfile(newPluginPath, pluginContent(index).name);
+            if exist(fullFolder) == 7 % folder detected
+                % move files from folder
+                movefile(fullfile(fullFolder, '*'), newPluginPath);
+                rmdir(fullFolder, 's');
+            end
+        end
+    end
+    fprintf('Extension %s version %s now installed\n', name, version); 
+