--- a
+++ b/functions/@eegobj/subsasgn.m
@@ -0,0 +1,68 @@
+function this = subsasgn(this,index,c)
+
+    if isempty(this)
+        this = eegobj;
+    end
+        
+    % multiple dataset
+    if strcmpi(index(1).type, '()') && length(index) == 1 % dataset assignment
+        if isempty(c) % suppression
+            this(index.subs{1}) = [];
+        else
+            % create empty structures if necessary
+            % not optimized for speed but compatible Octave 3.4 and Matlab
+            allfieldsori = fieldnames( this );
+            allSetIndices = [ [(length(this)+1):(min(index.subs{1})-1)] index.subs{1} ];
+            this(max(index.subs{1})) = this(1);
+            for j = 1:length(allfieldsori)
+                for i = allSetIndices
+                    this(i).EEG.(allfieldsori{j}) = [];
+                end
+            end
+            
+            % create empty structure, replaces the code above but
+            % only compatible under Matlab
+            %allfieldsori = fieldnames( this );
+            %tmpfields = allfieldsori;
+            %tmpfields(:,2) = cell(size(tmpfields));
+            %tmpfields = tmpfields';
+            %tmp = struct(tmpfields{:})
+            %this(index.subs{1}) = tmp;
+            
+            % dealing with input object and making it a compatible
+            % structure 
+            if isa(c, 'eegobj')
+                c2 = struct(c);
+                c  = c2(1).EEG;
+                fieldorder = fieldnames(c);
+                for cIndexe = 2:length(c2)
+                    c(cIndexe) = orderfields(c2(cIndexe).EEG, fieldorder);
+                end
+            end
+            
+            allfields = fieldnames( c );
+            for i=1:length( allfields )
+                for j = 1:length(index.subs{1})
+                    this(index.subs{1}(j)).EEG.(allfields{i}) = c(min(j, length(c))).(allfields{i});
+                end
+                %this(index.subs(1)).EEG = setfield(this(index.subs(1)).EEG, getfield(c, allfields{i}), allfields{i});
+                %eval( ['this(' int2str(index.subs{1}) ').' allfields{i} ' = c.' allfields{i} ';' ]);
+            end;	
+            %if ~isfield(c, 'datfile') & isfield(this, 'datfile')
+            %    this(index.subs{1}).datfile = '';
+            %end
+        end
+    elseif strcmpi(index(1).type, '()')
+        if length(index(1).subs{1}) > 1
+            error('Unsuported object feature - a.field or a([x y]).field is not supported for object arrays');
+        elseif length(this) < index(1).subs{1}
+            this(index(1).subs{1}) = eegobj;
+        end
+        this(index(1).subs{1}).EEG = builtin('subsasgn', this(index(1).subs{1}).EEG, index(2:end), c);
+    elseif strcmpi(index(1).type, '.')
+        if length(this) > 1
+            error('Unsuported object feature - a.field or a([x y]).field is not supported for object arrays');
+        else
+            this.EEG = builtin('subsasgn', this.EEG, index, c);
+        end
+    end