diff --git a/DirectoryReader.m b/DirectoryReader.m
index 370b773..7542e62 100644
--- a/DirectoryReader.m
+++ b/DirectoryReader.m
@@ -27,7 +27,10 @@ - (id)initWithPath:(NSString*)path {
 		if (!path || [path length] <= 0) {
 			return nil;
 		}
-		m_path = path;
+		// Remove trailing slash if appended.
+		NSMutableString* mutablePath = [NSMutableString stringWithString:path];
+		[mutablePath replaceOccurrencesOfString:@"/" withString:@"" options:NSBackwardsSearch range:NSMakeRange([path length] - 1, 1)];
+		m_path = mutablePath;
 	}
 	return self;
 }
diff --git a/English.lproj/MainMenu.xib b/English.lproj/MainMenu.xib
index c2dca70..2800267 100644
--- a/English.lproj/MainMenu.xib
+++ b/English.lproj/MainMenu.xib
@@ -12,7 +12,7 @@
 		</object>
 		<object class="NSMutableArray" key="IBDocument.EditedObjectIDs">
 			<bool key="EncodedWithXMLCoder">YES</bool>
-			<integer value="371"/>
+			<integer value="372"/>
 		</object>
 		<object class="NSArray" key="IBDocument.PluginDependencies">
 			<bool key="EncodedWithXMLCoder">YES</bool>
@@ -1317,7 +1317,7 @@
 			<object class="NSWindowTemplate" id="972006081">
 				<int key="NSWindowStyleMask">15</int>
 				<int key="NSWindowBacking">2</int>
-				<string key="NSWindowRect">{{781, 842}, {499, 160}}</string>
+				<string key="NSWindowRect">{{781, 737}, {499, 265}}</string>
 				<int key="NSWTFlags">1954021376</int>
 				<string key="NSWindowTitle">LineReader</string>
 				<string key="NSWindowClass">NSWindow</string>
@@ -1331,7 +1331,7 @@
 						<object class="NSTextField" id="231717339">
 							<reference key="NSNextResponder" ref="439893737"/>
 							<int key="NSvFlags">268</int>
-							<string key="NSFrame">{{20, 90}, {459, 22}}</string>
+							<string key="NSFrame">{{20, 195}, {459, 22}}</string>
 							<reference key="NSSuperview" ref="439893737"/>
 							<bool key="NSEnabled">YES</bool>
 							<object class="NSTextFieldCell" key="NSCell" id="355415411">
@@ -1345,16 +1345,16 @@
 								</object>
 								<reference key="NSControlView" ref="231717339"/>
 								<bool key="NSDrawsBackground">YES</bool>
-								<object class="NSColor" key="NSBackgroundColor">
+								<object class="NSColor" key="NSBackgroundColor" id="741515319">
 									<int key="NSColorSpace">6</int>
 									<string key="NSCatalogName">System</string>
 									<string key="NSColorName">textBackgroundColor</string>
-									<object class="NSColor" key="NSColor">
+									<object class="NSColor" key="NSColor" id="790798663">
 										<int key="NSColorSpace">3</int>
 										<bytes key="NSWhite">MQA</bytes>
 									</object>
 								</object>
-								<object class="NSColor" key="NSTextColor">
+								<object class="NSColor" key="NSTextColor" id="172872310">
 									<int key="NSColorSpace">6</int>
 									<string key="NSCatalogName">System</string>
 									<string key="NSColorName">textColor</string>
@@ -1368,7 +1368,7 @@
 						<object class="NSTextField" id="1045706751">
 							<reference key="NSNextResponder" ref="439893737"/>
 							<int key="NSvFlags">268</int>
-							<string key="NSFrame">{{17, 120}, {108, 17}}</string>
+							<string key="NSFrame">{{17, 225}, {108, 17}}</string>
 							<reference key="NSSuperview" ref="439893737"/>
 							<bool key="NSEnabled">YES</bool>
 							<object class="NSTextFieldCell" key="NSCell" id="183607361">
@@ -1397,7 +1397,7 @@
 						<object class="NSStepper" id="1013929455">
 							<reference key="NSNextResponder" ref="439893737"/>
 							<int key="NSvFlags">268</int>
-							<string key="NSFrame">{{463, 51}, {19, 27}}</string>
+							<string key="NSFrame">{{350, 155}, {19, 27}}</string>
 							<reference key="NSSuperview" ref="439893737"/>
 							<bool key="NSEnabled">YES</bool>
 							<object class="NSStepperCell" key="NSCell" id="372307018">
@@ -1409,51 +1409,191 @@
 								<bool key="NSAutorepeat">YES</bool>
 							</object>
 						</object>
-						<object class="NSTextField" id="293172749">
+						<object class="NSTextField" id="449809172">
 							<reference key="NSNextResponder" ref="439893737"/>
 							<int key="NSvFlags">268</int>
-							<string key="NSFrame">{{17, 56}, {444, 17}}</string>
+							<string key="NSFrame">{{17, 161}, {230, 17}}</string>
 							<reference key="NSSuperview" ref="439893737"/>
 							<bool key="NSEnabled">YES</bool>
-							<object class="NSTextFieldCell" key="NSCell" id="844018831">
+							<object class="NSTextFieldCell" key="NSCell" id="630023291">
 								<int key="NSCellFlags">68288064</int>
 								<int key="NSCellFlags2">71304192</int>
-								<string key="NSContents">Count</string>
+								<string key="NSContents">Maximum numbers of lines:</string>
 								<reference key="NSSupport" ref="953681415"/>
-								<reference key="NSControlView" ref="293172749"/>
-								<bool key="NSDrawsBackground">YES</bool>
+								<reference key="NSControlView" ref="449809172"/>
 								<reference key="NSBackgroundColor" ref="685989597"/>
 								<reference key="NSTextColor" ref="249716613"/>
 							</object>
 						</object>
-						<object class="NSTextField" id="449809172">
+						<object class="NSTextField" id="202252264">
 							<reference key="NSNextResponder" ref="439893737"/>
 							<int key="NSvFlags">268</int>
-							<string key="NSFrame">{{17, 56}, {368, 17}}</string>
+							<string key="NSFrame">{{255, 158}, {90, 22}}</string>
 							<reference key="NSSuperview" ref="439893737"/>
 							<bool key="NSEnabled">YES</bool>
-							<object class="NSTextFieldCell" key="NSCell" id="630023291">
+							<object class="NSTextFieldCell" key="NSCell" id="2523817">
+								<int key="NSCellFlags">-1804468671</int>
+								<int key="NSCellFlags2">71304192</int>
+								<string key="NSContents"/>
+								<reference key="NSSupport" ref="953681415"/>
+								<reference key="NSControlView" ref="202252264"/>
+								<bool key="NSDrawsBackground">YES</bool>
+								<reference key="NSBackgroundColor" ref="741515319"/>
+								<reference key="NSTextColor" ref="172872310"/>
+							</object>
+						</object>
+						<object class="NSButton" id="196243322">
+							<reference key="NSNextResponder" ref="439893737"/>
+							<int key="NSvFlags">268</int>
+							<string key="NSFrame">{{249, 47}, {128, 32}}</string>
+							<reference key="NSSuperview" ref="439893737"/>
+							<bool key="NSEnabled">YES</bool>
+							<object class="NSButtonCell" key="NSCell" id="865326817">
+								<int key="NSCellFlags">67239424</int>
+								<int key="NSCellFlags2">134217728</int>
+								<string key="NSContents">Read lines</string>
+								<reference key="NSSupport" ref="953681415"/>
+								<reference key="NSControlView" ref="196243322"/>
+								<int key="NSButtonFlags">-2038284033</int>
+								<int key="NSButtonFlags2">129</int>
+								<string key="NSAlternateContents"/>
+								<string key="NSKeyEquivalent"/>
+								<int key="NSPeriodicDelay">200</int>
+								<int key="NSPeriodicInterval">25</int>
+							</object>
+						</object>
+						<object class="NSMatrix" id="198904918">
+							<reference key="NSNextResponder" ref="439893737"/>
+							<int key="NSvFlags">268</int>
+							<string key="NSFrame">{{253, 127}, {192, 17}}</string>
+							<reference key="NSSuperview" ref="439893737"/>
+							<bool key="NSEnabled">YES</bool>
+							<int key="NSNumRows">1</int>
+							<int key="NSNumCols">2</int>
+							<object class="NSMutableArray" key="NSCells">
+								<bool key="EncodedWithXMLCoder">YES</bool>
+								<object class="NSButtonCell" id="460734633">
+									<int key="NSCellFlags">-2080244224</int>
+									<int key="NSCellFlags2">0</int>
+									<string key="NSContents">Forwards</string>
+									<reference key="NSSupport" ref="953681415"/>
+									<reference key="NSControlView" ref="198904918"/>
+									<int key="NSButtonFlags">1211912703</int>
+									<int key="NSButtonFlags2">0</int>
+									<object class="NSButtonImageSource" key="NSAlternateImage" id="920884016">
+										<string key="NSImageName">NSRadioButton</string>
+									</object>
+									<string key="NSAlternateContents"/>
+									<string key="NSKeyEquivalent"/>
+									<int key="NSPeriodicDelay">200</int>
+									<int key="NSPeriodicInterval">25</int>
+								</object>
+								<object class="NSButtonCell" id="806254077">
+									<int key="NSCellFlags">67239424</int>
+									<int key="NSCellFlags2">0</int>
+									<string key="NSContents">Backwards</string>
+									<reference key="NSSupport" ref="953681415"/>
+									<reference key="NSControlView" ref="198904918"/>
+									<int key="NSTag">-1</int>
+									<int key="NSButtonFlags">1211912703</int>
+									<int key="NSButtonFlags2">0</int>
+									<reference key="NSAlternateImage" ref="920884016"/>
+									<int key="NSPeriodicDelay">400</int>
+									<int key="NSPeriodicInterval">75</int>
+								</object>
+							</object>
+							<string key="NSCellSize">{94, 17}</string>
+							<string key="NSIntercellSpacing">{4, 2}</string>
+							<int key="NSMatrixFlags">1151868928</int>
+							<string key="NSCellClass">NSActionCell</string>
+							<object class="NSButtonCell" key="NSProtoCell" id="645343484">
+								<int key="NSCellFlags">67239424</int>
+								<int key="NSCellFlags2">0</int>
+								<string key="NSContents">Radio</string>
+								<reference key="NSSupport" ref="953681415"/>
+								<int key="NSButtonFlags">1211912703</int>
+								<int key="NSButtonFlags2">0</int>
+								<object class="NSImage" key="NSNormalImage">
+									<int key="NSImageFlags">549453824</int>
+									<string key="NSSize">{18, 18}</string>
+									<object class="NSMutableArray" key="NSReps">
+										<bool key="EncodedWithXMLCoder">YES</bool>
+										<object class="NSArray">
+											<bool key="EncodedWithXMLCoder">YES</bool>
+											<integer value="0"/>
+											<object class="NSBitmapImageRep">
+												<object class="NSData" key="NSTIFFRepresentation">
+													<bytes key="NS.bytes">TU0AKgAABRgAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAwAAAAMAAAADAAAAAwAAAAAAAAAA
+AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAwAAADwRERGLJycnySsrK/A1NTXw
+IyMjyRwcHIsJCQk8AAAAAwAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAFFRUVdVBQUOCoqKj/
+29vb//n5+f/6+vr/2tra/6qqqv9UVFTgHx8fdQAAAAUAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAUZGRl5
+dXV198PDw//8/Pz////////////////////////////U1NT/fHx89yUlJXkAAAAFAAAAAAAAAAAAAAAA
+AAAAAxEREUZqamrmtbW1/+3t7f/+/v7//v7+//7+/v/9/f3//f39//39/f/39/f/xMTE/3d3d+YZGRlG
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+YmJi3NLS0v3////////////////////////////////V1dX9ZGRk3AAAAGUAAAAXAAAAAwAAAAAAAAAA
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+AAMAAAABAAEAAAFTAAMAAAAEAAAFwgAAAAAACAAIAAgACAABAAEAAQABA</bytes>
+												</object>
+											</object>
+										</object>
+									</object>
+									<object class="NSColor" key="NSColor">
+										<int key="NSColorSpace">3</int>
+										<bytes key="NSWhite">MCAwAA</bytes>
+									</object>
+								</object>
+								<reference key="NSAlternateImage" ref="920884016"/>
+								<int key="NSPeriodicDelay">400</int>
+								<int key="NSPeriodicInterval">75</int>
+							</object>
+							<reference key="NSSelectedCell" ref="460734633"/>
+							<reference key="NSBackgroundColor" ref="685989597"/>
+							<reference key="NSCellBackgroundColor" ref="790798663"/>
+							<reference key="NSFont" ref="953681415"/>
+						</object>
+						<object class="NSTextField" id="643441890">
+							<reference key="NSNextResponder" ref="439893737"/>
+							<int key="NSvFlags">268</int>
+							<string key="NSFrame">{{17, 128}, {230, 17}}</string>
+							<reference key="NSSuperview" ref="439893737"/>
+							<bool key="NSEnabled">YES</bool>
+							<object class="NSTextFieldCell" key="NSCell" id="401592038">
 								<int key="NSCellFlags">68288064</int>
-								<int key="NSCellFlags2">272630784</int>
-								<string key="NSContents">Maximum numbers of lines to be read from each file:</string>
+								<int key="NSCellFlags2">71304192</int>
+								<string key="NSContents">Reading mode:</string>
 								<reference key="NSSupport" ref="953681415"/>
-								<reference key="NSControlView" ref="449809172"/>
+								<reference key="NSControlView" ref="643441890"/>
 								<reference key="NSBackgroundColor" ref="685989597"/>
 								<reference key="NSTextColor" ref="249716613"/>
 							</object>
 						</object>
-						<object class="NSButton" id="332168038">
+						<object class="NSButton" id="407726537">
 							<reference key="NSNextResponder" ref="439893737"/>
 							<int key="NSvFlags">268</int>
-							<string key="NSFrame">{{18, 18}, {200, 18}}</string>
+							<string key="NSFrame">{{253, 93}, {155, 18}}</string>
 							<reference key="NSSuperview" ref="439893737"/>
 							<bool key="NSEnabled">YES</bool>
-							<object class="NSButtonCell" key="NSCell" id="64997876">
+							<object class="NSButtonCell" key="NSCell" id="744190511">
 								<int key="NSCellFlags">-2080244224</int>
 								<int key="NSCellFlags2">0</int>
-								<string key="NSContents">Read file content backwards</string>
+								<string key="NSContents">Print lines to console</string>
 								<reference key="NSSupport" ref="953681415"/>
-								<reference key="NSControlView" ref="332168038"/>
+								<reference key="NSControlView" ref="407726537"/>
 								<int key="NSButtonFlags">1211912703</int>
 								<int key="NSButtonFlags2">2</int>
 								<object class="NSCustomResource" key="NSNormalImage">
@@ -1469,8 +1609,40 @@
 								<int key="NSPeriodicInterval">25</int>
 							</object>
 						</object>
+						<object class="NSTextField" id="51049166">
+							<reference key="NSNextResponder" ref="439893737"/>
+							<int key="NSvFlags">268</int>
+							<string key="NSFrame">{{17, 10}, {47, 17}}</string>
+							<reference key="NSSuperview" ref="439893737"/>
+							<bool key="NSEnabled">YES</bool>
+							<object class="NSTextFieldCell" key="NSCell" id="1064553064">
+								<int key="NSCellFlags">68288064</int>
+								<int key="NSCellFlags2">272630784</int>
+								<string key="NSContents">Status:</string>
+								<reference key="NSSupport" ref="953681415"/>
+								<reference key="NSControlView" ref="51049166"/>
+								<reference key="NSBackgroundColor" ref="685989597"/>
+								<reference key="NSTextColor" ref="249716613"/>
+							</object>
+						</object>
+						<object class="NSTextField" id="730307729">
+							<reference key="NSNextResponder" ref="439893737"/>
+							<int key="NSvFlags">268</int>
+							<string key="NSFrame">{{66, 10}, {421, 17}}</string>
+							<reference key="NSSuperview" ref="439893737"/>
+							<bool key="NSEnabled">YES</bool>
+							<object class="NSTextFieldCell" key="NSCell" id="399630089">
+								<int key="NSCellFlags">68288064</int>
+								<int key="NSCellFlags2">272630784</int>
+								<string key="NSContents">Status</string>
+								<reference key="NSSupport" ref="953681415"/>
+								<reference key="NSControlView" ref="730307729"/>
+								<reference key="NSBackgroundColor" ref="685989597"/>
+								<reference key="NSTextColor" ref="249716613"/>
+							</object>
+						</object>
 					</object>
-					<string key="NSFrameSize">{499, 160}</string>
+					<string key="NSFrameSize">{499, 265}</string>
 					<reference key="NSSuperview"/>
 				</object>
 				<string key="NSScreenRect">{{0, 0}, {1280, 1002}}</string>
@@ -1482,6 +1654,9 @@
 			<object class="NSCustomObject" id="755631768">
 				<string key="NSClassName">NSFontManager</string>
 			</object>
+			<object class="NSUserDefaultsController" id="334287552">
+				<bool key="NSSharedInstance">YES</bool>
+			</object>
 		</object>
 		<object class="IBObjectContainer" key="IBDocument.Objects">
 			<object class="NSMutableArray" key="connectionRecords">
@@ -2166,14 +2341,6 @@
 					</object>
 					<int key="connectionID">532</int>
 				</object>
-				<object class="IBConnectionRecord">
-					<object class="IBActionConnection" key="connection">
-						<string key="label">sourcePathChanged:</string>
-						<reference key="source" ref="976324537"/>
-						<reference key="destination" ref="231717339"/>
-					</object>
-					<int key="connectionID">546</int>
-				</object>
 				<object class="IBConnectionRecord">
 					<object class="IBBindingConnection" key="connection">
 						<string key="label">value: maxNumLines</string>
@@ -2190,53 +2357,101 @@
 					</object>
 					<int key="connectionID">557</int>
 				</object>
+				<object class="IBConnectionRecord">
+					<object class="IBActionConnection" key="connection">
+						<string key="label">readLinesRequested:</string>
+						<reference key="source" ref="976324537"/>
+						<reference key="destination" ref="196243322"/>
+					</object>
+					<int key="connectionID">575</int>
+				</object>
 				<object class="IBConnectionRecord">
 					<object class="IBBindingConnection" key="connection">
-						<string key="label">value: maxNumLines</string>
-						<reference key="source" ref="844018831"/>
+						<string key="label">selectedIndex: selectedReadMode</string>
+						<reference key="source" ref="198904918"/>
 						<reference key="destination" ref="976324537"/>
 						<object class="NSNibBindingConnector" key="connector">
-							<reference key="NSSource" ref="844018831"/>
+							<reference key="NSSource" ref="198904918"/>
 							<reference key="NSDestination" ref="976324537"/>
-							<string key="NSLabel">value: maxNumLines</string>
+							<string key="NSLabel">selectedIndex: selectedReadMode</string>
+							<string key="NSBinding">selectedIndex</string>
+							<string key="NSKeyPath">selectedReadMode</string>
+							<int key="NSNibBindingConnectorVersion">2</int>
+						</object>
+					</object>
+					<int key="connectionID">609</int>
+				</object>
+				<object class="IBConnectionRecord">
+					<object class="IBBindingConnection" key="connection">
+						<string key="label">value: printLines</string>
+						<reference key="source" ref="407726537"/>
+						<reference key="destination" ref="976324537"/>
+						<object class="NSNibBindingConnector" key="connector">
+							<reference key="NSSource" ref="407726537"/>
+							<reference key="NSDestination" ref="976324537"/>
+							<string key="NSLabel">value: printLines</string>
 							<string key="NSBinding">value</string>
-							<string key="NSKeyPath">maxNumLines</string>
+							<string key="NSKeyPath">printLines</string>
 							<int key="NSNibBindingConnectorVersion">2</int>
 						</object>
 					</object>
-					<int key="connectionID">558</int>
+					<int key="connectionID">613</int>
 				</object>
 				<object class="IBConnectionRecord">
 					<object class="IBBindingConnection" key="connection">
-						<string key="label">value: sourcePath</string>
-						<reference key="source" ref="355415411"/>
+						<string key="label">value: status</string>
+						<reference key="source" ref="399630089"/>
 						<reference key="destination" ref="976324537"/>
 						<object class="NSNibBindingConnector" key="connector">
-							<reference key="NSSource" ref="355415411"/>
+							<reference key="NSSource" ref="399630089"/>
 							<reference key="NSDestination" ref="976324537"/>
-							<string key="NSLabel">value: sourcePath</string>
+							<string key="NSLabel">value: status</string>
 							<string key="NSBinding">value</string>
-							<string key="NSKeyPath">sourcePath</string>
+							<string key="NSKeyPath">status</string>
 							<int key="NSNibBindingConnectorVersion">2</int>
 						</object>
 					</object>
-					<int key="connectionID">559</int>
+					<int key="connectionID">623</int>
 				</object>
 				<object class="IBConnectionRecord">
 					<object class="IBBindingConnection" key="connection">
-						<string key="label">value: searchBackwards</string>
-						<reference key="source" ref="332168038"/>
+						<string key="label">value: maxNumLines</string>
+						<reference key="source" ref="202252264"/>
 						<reference key="destination" ref="976324537"/>
 						<object class="NSNibBindingConnector" key="connector">
-							<reference key="NSSource" ref="332168038"/>
+							<reference key="NSSource" ref="202252264"/>
 							<reference key="NSDestination" ref="976324537"/>
-							<string key="NSLabel">value: searchBackwards</string>
+							<string key="NSLabel">value: maxNumLines</string>
 							<string key="NSBinding">value</string>
-							<string key="NSKeyPath">searchBackwards</string>
+							<string key="NSKeyPath">maxNumLines</string>
+							<object class="NSDictionary" key="NSOptions">
+								<string key="NS.key.0">NSContinuouslyUpdatesValue</string>
+								<boolean value="YES" key="NS.object.0"/>
+							</object>
 							<int key="NSNibBindingConnectorVersion">2</int>
 						</object>
 					</object>
-					<int key="connectionID">566</int>
+					<int key="connectionID">624</int>
+				</object>
+				<object class="IBConnectionRecord">
+					<object class="IBBindingConnection" key="connection">
+						<string key="label">value: sourcePath</string>
+						<reference key="source" ref="355415411"/>
+						<reference key="destination" ref="976324537"/>
+						<object class="NSNibBindingConnector" key="connector">
+							<reference key="NSSource" ref="355415411"/>
+							<reference key="NSDestination" ref="976324537"/>
+							<string key="NSLabel">value: sourcePath</string>
+							<string key="NSBinding">value</string>
+							<string key="NSKeyPath">sourcePath</string>
+							<object class="NSDictionary" key="NSOptions">
+								<string key="NS.key.0">NSContinuouslyUpdatesValue</string>
+								<boolean value="YES" key="NS.object.0"/>
+							</object>
+							<int key="NSNibBindingConnectorVersion">2</int>
+						</object>
+					</object>
+					<int key="connectionID">625</int>
 				</object>
 			</object>
 			<object class="IBMutableOrderedSet" key="objectRecords">
@@ -2795,10 +3010,15 @@
 							<bool key="EncodedWithXMLCoder">YES</bool>
 							<reference ref="1045706751"/>
 							<reference ref="231717339"/>
-							<reference ref="1013929455"/>
-							<reference ref="293172749"/>
+							<reference ref="51049166"/>
+							<reference ref="730307729"/>
 							<reference ref="449809172"/>
-							<reference ref="332168038"/>
+							<reference ref="202252264"/>
+							<reference ref="1013929455"/>
+							<reference ref="198904918"/>
+							<reference ref="643441890"/>
+							<reference ref="407726537"/>
+							<reference ref="196243322"/>
 						</object>
 						<reference key="parent" ref="972006081"/>
 					</object>
@@ -3331,46 +3551,133 @@
 						<reference key="parent" ref="1013929455"/>
 					</object>
 					<object class="IBObjectRecord">
-						<int key="objectID">551</int>
-						<reference key="object" ref="293172749"/>
+						<int key="objectID">553</int>
+						<reference key="object" ref="449809172"/>
 						<object class="NSMutableArray" key="children">
 							<bool key="EncodedWithXMLCoder">YES</bool>
-							<reference ref="844018831"/>
+							<reference ref="630023291"/>
 						</object>
 						<reference key="parent" ref="439893737"/>
 					</object>
 					<object class="IBObjectRecord">
-						<int key="objectID">552</int>
-						<reference key="object" ref="844018831"/>
-						<reference key="parent" ref="293172749"/>
+						<int key="objectID">554</int>
+						<reference key="object" ref="630023291"/>
+						<reference key="parent" ref="449809172"/>
 					</object>
 					<object class="IBObjectRecord">
-						<int key="objectID">553</int>
-						<reference key="object" ref="449809172"/>
+						<int key="objectID">567</int>
+						<reference key="object" ref="202252264"/>
 						<object class="NSMutableArray" key="children">
 							<bool key="EncodedWithXMLCoder">YES</bool>
-							<reference ref="630023291"/>
+							<reference ref="2523817"/>
 						</object>
 						<reference key="parent" ref="439893737"/>
 					</object>
 					<object class="IBObjectRecord">
-						<int key="objectID">554</int>
-						<reference key="object" ref="630023291"/>
-						<reference key="parent" ref="449809172"/>
+						<int key="objectID">568</int>
+						<reference key="object" ref="2523817"/>
+						<reference key="parent" ref="202252264"/>
+					</object>
+					<object class="IBObjectRecord">
+						<int key="objectID">571</int>
+						<reference key="object" ref="196243322"/>
+						<object class="NSMutableArray" key="children">
+							<bool key="EncodedWithXMLCoder">YES</bool>
+							<reference ref="865326817"/>
+						</object>
+						<reference key="parent" ref="439893737"/>
+					</object>
+					<object class="IBObjectRecord">
+						<int key="objectID">572</int>
+						<reference key="object" ref="865326817"/>
+						<reference key="parent" ref="196243322"/>
+					</object>
+					<object class="IBObjectRecord">
+						<int key="objectID">576</int>
+						<reference key="object" ref="198904918"/>
+						<object class="NSMutableArray" key="children">
+							<bool key="EncodedWithXMLCoder">YES</bool>
+							<reference ref="460734633"/>
+							<reference ref="645343484"/>
+							<reference ref="806254077"/>
+						</object>
+						<reference key="parent" ref="439893737"/>
+					</object>
+					<object class="IBObjectRecord">
+						<int key="objectID">577</int>
+						<reference key="object" ref="460734633"/>
+						<reference key="parent" ref="198904918"/>
+					</object>
+					<object class="IBObjectRecord">
+						<int key="objectID">579</int>
+						<reference key="object" ref="645343484"/>
+						<reference key="parent" ref="198904918"/>
+					</object>
+					<object class="IBObjectRecord">
+						<int key="objectID">590</int>
+						<reference key="object" ref="806254077"/>
+						<reference key="parent" ref="198904918"/>
+					</object>
+					<object class="IBObjectRecord">
+						<int key="objectID">591</int>
+						<reference key="object" ref="643441890"/>
+						<object class="NSMutableArray" key="children">
+							<bool key="EncodedWithXMLCoder">YES</bool>
+							<reference ref="401592038"/>
+						</object>
+						<reference key="parent" ref="439893737"/>
+					</object>
+					<object class="IBObjectRecord">
+						<int key="objectID">592</int>
+						<reference key="object" ref="401592038"/>
+						<reference key="parent" ref="643441890"/>
+					</object>
+					<object class="IBObjectRecord">
+						<int key="objectID">601</int>
+						<reference key="object" ref="334287552"/>
+						<reference key="parent" ref="0"/>
+					</object>
+					<object class="IBObjectRecord">
+						<int key="objectID">610</int>
+						<reference key="object" ref="407726537"/>
+						<object class="NSMutableArray" key="children">
+							<bool key="EncodedWithXMLCoder">YES</bool>
+							<reference ref="744190511"/>
+						</object>
+						<reference key="parent" ref="439893737"/>
+					</object>
+					<object class="IBObjectRecord">
+						<int key="objectID">611</int>
+						<reference key="object" ref="744190511"/>
+						<reference key="parent" ref="407726537"/>
+					</object>
+					<object class="IBObjectRecord">
+						<int key="objectID">614</int>
+						<reference key="object" ref="51049166"/>
+						<object class="NSMutableArray" key="children">
+							<bool key="EncodedWithXMLCoder">YES</bool>
+							<reference ref="1064553064"/>
+						</object>
+						<reference key="parent" ref="439893737"/>
 					</object>
 					<object class="IBObjectRecord">
-						<int key="objectID">564</int>
-						<reference key="object" ref="332168038"/>
+						<int key="objectID">615</int>
+						<reference key="object" ref="1064553064"/>
+						<reference key="parent" ref="51049166"/>
+					</object>
+					<object class="IBObjectRecord">
+						<int key="objectID">616</int>
+						<reference key="object" ref="730307729"/>
 						<object class="NSMutableArray" key="children">
 							<bool key="EncodedWithXMLCoder">YES</bool>
-							<reference ref="64997876"/>
+							<reference ref="399630089"/>
 						</object>
 						<reference key="parent" ref="439893737"/>
 					</object>
 					<object class="IBObjectRecord">
-						<int key="objectID">565</int>
-						<reference key="object" ref="64997876"/>
-						<reference key="parent" ref="332168038"/>
+						<int key="objectID">617</int>
+						<reference key="object" ref="399630089"/>
+						<reference key="parent" ref="730307729"/>
 					</object>
 				</object>
 			</object>
@@ -3601,20 +3908,33 @@
 					<string>536.IBPluginDependency</string>
 					<string>549.IBPluginDependency</string>
 					<string>550.IBPluginDependency</string>
-					<string>551.IBPluginDependency</string>
-					<string>552.IBPluginDependency</string>
 					<string>553.IBPluginDependency</string>
 					<string>554.IBPluginDependency</string>
 					<string>56.IBPluginDependency</string>
 					<string>56.ImportedFromIB2</string>
-					<string>564.IBPluginDependency</string>
-					<string>565.IBPluginDependency</string>
+					<string>567.IBPluginDependency</string>
+					<string>568.IBPluginDependency</string>
 					<string>57.IBEditorWindowLastContentRect</string>
 					<string>57.IBPluginDependency</string>
 					<string>57.ImportedFromIB2</string>
 					<string>57.editorWindowContentRectSynchronizationRect</string>
+					<string>571.IBPluginDependency</string>
+					<string>572.IBPluginDependency</string>
+					<string>576.IBPluginDependency</string>
+					<string>577.IBPluginDependency</string>
+					<string>579.IBPluginDependency</string>
 					<string>58.IBPluginDependency</string>
 					<string>58.ImportedFromIB2</string>
+					<string>590.IBPluginDependency</string>
+					<string>591.IBPluginDependency</string>
+					<string>592.IBPluginDependency</string>
+					<string>601.IBPluginDependency</string>
+					<string>610.IBPluginDependency</string>
+					<string>611.IBPluginDependency</string>
+					<string>614.IBPluginDependency</string>
+					<string>615.IBPluginDependency</string>
+					<string>616.IBPluginDependency</string>
+					<string>617.IBPluginDependency</string>
 					<string>72.IBPluginDependency</string>
 					<string>72.ImportedFromIB2</string>
 					<string>73.IBPluginDependency</string>
@@ -3773,9 +4093,9 @@
 					<integer value="1"/>
 					<string>com.apple.InterfaceBuilder.CocoaPlugin</string>
 					<integer value="1"/>
-					<string>{{403, 820}, {499, 160}}</string>
+					<string>{{404, 715}, {499, 265}}</string>
 					<string>com.apple.InterfaceBuilder.CocoaPlugin</string>
-					<string>{{403, 820}, {499, 160}}</string>
+					<string>{{404, 715}, {499, 265}}</string>
 					<integer value="1"/>
 					<string>{{33, 99}, {480, 360}}</string>
 					<string>{3.40282e+38, 3.40282e+38}</string>
@@ -3870,8 +4190,6 @@
 					<string>com.apple.InterfaceBuilder.CocoaPlugin</string>
 					<string>com.apple.InterfaceBuilder.CocoaPlugin</string>
 					<string>com.apple.InterfaceBuilder.CocoaPlugin</string>
-					<string>com.apple.InterfaceBuilder.CocoaPlugin</string>
-					<string>com.apple.InterfaceBuilder.CocoaPlugin</string>
 					<integer value="1"/>
 					<string>com.apple.InterfaceBuilder.CocoaPlugin</string>
 					<string>com.apple.InterfaceBuilder.CocoaPlugin</string>
@@ -3880,8 +4198,23 @@
 					<integer value="1"/>
 					<string>{{23, 794}, {245, 183}}</string>
 					<string>com.apple.InterfaceBuilder.CocoaPlugin</string>
+					<string>com.apple.InterfaceBuilder.CocoaPlugin</string>
+					<string>com.apple.InterfaceBuilder.CocoaPlugin</string>
+					<string>com.apple.InterfaceBuilder.CocoaPlugin</string>
+					<string>com.apple.InterfaceBuilder.CocoaPlugin</string>
+					<string>com.apple.InterfaceBuilder.CocoaPlugin</string>
 					<integer value="1"/>
 					<string>com.apple.InterfaceBuilder.CocoaPlugin</string>
+					<string>com.apple.InterfaceBuilder.CocoaPlugin</string>
+					<string>com.apple.InterfaceBuilder.CocoaPlugin</string>
+					<string>com.apple.InterfaceBuilder.CocoaPlugin</string>
+					<string>com.apple.InterfaceBuilder.CocoaPlugin</string>
+					<string>com.apple.InterfaceBuilder.CocoaPlugin</string>
+					<string>com.apple.InterfaceBuilder.CocoaPlugin</string>
+					<string>com.apple.InterfaceBuilder.CocoaPlugin</string>
+					<string>com.apple.InterfaceBuilder.CocoaPlugin</string>
+					<string>com.apple.InterfaceBuilder.CocoaPlugin</string>
+					<string>com.apple.InterfaceBuilder.CocoaPlugin</string>
 					<integer value="1"/>
 					<string>com.apple.InterfaceBuilder.CocoaPlugin</string>
 					<integer value="1"/>
@@ -3925,7 +4258,7 @@
 				</object>
 			</object>
 			<nil key="sourceID"/>
-			<int key="maxID">566</int>
+			<int key="maxID">625</int>
 		</object>
 		<object class="IBClassDescriber" key="IBDocument.Classes">
 			<object class="NSMutableArray" key="referencedPartialClassDescriptions">
@@ -3934,21 +4267,12 @@
 					<string key="className">LineReaderAppDelegate</string>
 					<string key="superclassName">NSObject</string>
 					<object class="NSMutableDictionary" key="actions">
-						<string key="NS.key.0">sourcePathChanged:</string>
+						<string key="NS.key.0">readLinesRequested:</string>
 						<string key="NS.object.0">id</string>
 					</object>
 					<object class="NSMutableDictionary" key="outlets">
-						<bool key="EncodedWithXMLCoder">YES</bool>
-						<object class="NSArray" key="dict.sortedKeys">
-							<bool key="EncodedWithXMLCoder">YES</bool>
-							<string>m_sourcePath</string>
-							<string>window</string>
-						</object>
-						<object class="NSMutableArray" key="dict.values">
-							<bool key="EncodedWithXMLCoder">YES</bool>
-							<string>NSTextField</string>
-							<string>NSWindow</string>
-						</object>
+						<string key="NS.key.0">window</string>
+						<string key="NS.object.0">NSWindow</string>
 					</object>
 					<object class="IBClassDescriptionSource" key="sourceIdentifier">
 						<string key="majorKey">IBProjectSource</string>
@@ -4057,6 +4381,14 @@
 						<string key="minorKey">AppKit.framework/Headers/NSControl.h</string>
 					</object>
 				</object>
+				<object class="IBPartialClassDescription">
+					<string key="className">NSController</string>
+					<string key="superclassName">NSObject</string>
+					<object class="IBClassDescriptionSource" key="sourceIdentifier">
+						<string key="majorKey">IBFrameworkSource</string>
+						<string key="minorKey">AppKit.framework/Headers/NSController.h</string>
+					</object>
+				</object>
 				<object class="IBPartialClassDescription">
 					<string key="className">NSDocument</string>
 					<string key="superclassName">NSObject</string>
@@ -4475,6 +4807,14 @@
 						<string key="minorKey">AppKit.framework/Headers/NSTextView.h</string>
 					</object>
 				</object>
+				<object class="IBPartialClassDescription">
+					<string key="className">NSUserDefaultsController</string>
+					<string key="superclassName">NSController</string>
+					<object class="IBClassDescriptionSource" key="sourceIdentifier">
+						<string key="majorKey">IBFrameworkSource</string>
+						<string key="minorKey">AppKit.framework/Headers/NSUserDefaultsController.h</string>
+					</object>
+				</object>
 				<object class="IBPartialClassDescription">
 					<string key="className">NSView</string>
 					<object class="IBClassDescriptionSource" key="sourceIdentifier">
diff --git a/FileReader.m b/FileReader.m
index 309704d..e2d7cd7 100644
--- a/FileReader.m
+++ b/FileReader.m
@@ -57,11 +57,12 @@ - (id)initWithFilePath:(NSString*)filePath {
 
 /**
 	Reads the file forwards.
+	Empty lines are not returned.
 	@returns Another single line on each call or nil if the file end has been reached.
  */
 - (NSString*)readLine {
 
-	if (m_currentOffset >= m_totalFileLength) {
+	if (m_totalFileLength == 0 || m_currentOffset >= m_totalFileLength) {
 		return nil;
 	}
 	
@@ -96,11 +97,12 @@ - (NSString*)readLine {
 
 /**
 	Reads the file backwards.
+	Empty lines are returned as well.
 	@returns Another single line on each call or nil if the file end has been reached.
  */
 - (NSString*)readLineBackwards {
 
-	if (m_currentInset == 0 && m_chunkSize == 0) {
+	if (m_totalFileLength == 0 || m_currentInset == 0 && m_chunkSize == 0) {
 		return nil;
 	}
 	
diff --git a/LineReaderAppDelegate.h b/LineReaderAppDelegate.h
index cb02fd4..f5479ce 100644
--- a/LineReaderAppDelegate.h
+++ b/LineReaderAppDelegate.h
@@ -8,20 +8,37 @@
 
 #import <Cocoa/Cocoa.h>
 
+/**
+	Enum for the selected read mode. Defined values are FORWARDS = 0 and BACKWARDS = 1.
+ */
+typedef enum { FORWARDS = 0, BACKWARDS = 1 } READ_MODE;
+
+
+
 @interface LineReaderAppDelegate : NSObject <NSApplicationDelegate> {
 
-    NSWindow*				m_window;				/**< Application window. */
-	IBOutlet NSTextField*	m_sourcePath;			/**< Source path. */
-	NSNumber*				m_maxNumLines;			/**< Maximum number of lines. */
-	NSNumber*				m_searchBackwards;		/**< Search backwards if value is 1. */
-	NSArray*				m_directoryListing;		/**< Collection of file paths. */
+    NSWindow*		m_window;				/**< Application window. */
+	NSString*		m_sourcePath;			/**< Source path. */
+	NSNumber*		m_maxNumLines;			/**< Maximum number of lines. */
+	NSNumber*		m_selectedReadMode;		/**< Selected read mode. See READ_MODE enum. */
+	NSNumber*		m_printLines;			/**< Option to print lines to the console. */
+	NSString*		m_status;				/**< Program status. */
+	NSArray*		m_directoryListing;		/**< Collection of file paths. */
 }
 
 @property (assign) IBOutlet NSWindow* window;				/**< Property for the application window. */
 @property (readwrite, assign) NSString* sourcePath;			/**< Property for the source path. */
 @property (readwrite, assign) NSNumber* maxNumLines;		/**< Property for the maximum number of lines. */
-@property (readwrite, assign) NSNumber* searchBackwards;	/**< Property for switch to search backwards. */
+@property (readwrite, assign) NSNumber* selectedReadMode;	/**< Property for the selected read mode. */
+@property (readwrite, assign) NSNumber* printLines;			/**< Property for the print lines option. */
+@property (readwrite, assign) NSString* status;				/**< Property for the program status. */
+
+- (IBAction)readLinesRequested:(id)sender;
+
+// -----------------------------------------------------------------------------
+// Private functions.
+// -----------------------------------------------------------------------------
 
-- (IBAction)sourcePathChanged:(id)sender;
+- (void)processSource;
 
 @end
diff --git a/LineReaderAppDelegate.m b/LineReaderAppDelegate.m
index 0f857e8..6f0b811 100644
--- a/LineReaderAppDelegate.m
+++ b/LineReaderAppDelegate.m
@@ -25,43 +25,36 @@ - (id)init {
 
 	self = [super init];
 	if (self != nil) {
+		m_sourcePath = [NSString stringWithFormat:@"/tmp/"];
 		m_maxNumLines = [NSNumber numberWithInt:3];
-		[self setSourcePath:[NSString stringWithFormat:@"/tmp/"]];
-		m_searchBackwards = [NSNumber numberWithInt:1];
+		m_selectedReadMode = [NSNumber numberWithInt:BACKWARDS];
+		m_printLines = [NSNumber numberWithBool:NO];
+		m_status = [NSString stringWithFormat:@"Application started."];		
+		m_directoryListing = nil;
 	}
 	return self;
 }
 
 
+// -----------------------------------------------------------------------------
+// Properties.
+// -----------------------------------------------------------------------------
+
+
 @synthesize window = m_window;
 @synthesize maxNumLines = m_maxNumLines;
-@synthesize searchBackwards = m_searchBackwards;
-@dynamic sourcePath;
+@synthesize sourcePath = m_sourcePath;
+@synthesize selectedReadMode = m_selectedReadMode;
+@synthesize printLines = m_printLines;
+@synthesize status = m_status;
 
 
 
-/**
-	Returns the source path stored in the text field.
-	@returns The source path as a NSString.
- */
-- (NSString*)sourcePath {
 
-	return [m_sourcePath stringValue];
-}
+// -----------------------------------------------------------------------------
+// Event functions.
+// -----------------------------------------------------------------------------
 
-/**
-	Sets the text field with the source path.
-	@param sourcePath The source path.
- */
-- (void)setSourcePath:(NSString*)sourcePath {
-
-	m_sourcePath = [[NSTextField alloc] init];	
-	if (!sourcePath || [sourcePath length] <= 0) {
-		[m_sourcePath setStringValue:@""];
-		return;
-	}	
-	[m_sourcePath setStringValue:sourcePath];
-}
 
 /**
 	Sent by the default notification center after the application 
@@ -73,51 +66,113 @@ - (void)applicationDidFinishLaunching:(NSNotification*)aNotification {
 }
 
 
-
 /**
-	Reads a various number of lines from multiple files as found in the source path.
-	The function is called whenever the source path changes.
+	The function is called whenever lines should be read.
 	@param sender The object calling this method.
  */
-- (IBAction)sourcePathChanged:(id)sender {
+- (IBAction)readLinesRequested:(id)sender {
 	
-	DirectoryReader* directoryReader = [[DirectoryReader alloc] initWithPath:[m_sourcePath stringValue]];
+	[self processSource];
+}
+
+
+
+// -----------------------------------------------------------------------------
+// Private functions.
+// -----------------------------------------------------------------------------
+
+
+
+/**
+	Reads a various number of lines from multiple files as 
+	found in the source path. The lines can be read forwards 
+	or backwards from the file.
+ */
+- (void)processSource {
+
+	int lineCount;
+	NSTimeInterval processingStarted = [NSDate timeIntervalSinceReferenceDate];
+	
+	DirectoryReader* directoryReader = [[DirectoryReader alloc] initWithPath:m_sourcePath];
 	if (!directoryReader) {
 		return;
 	}
-
+	
 	if ([directoryReader readDirectory:&m_directoryListing]) {
-
+		
 		for (NSString* path in m_directoryListing) {
 			NSLog(@"File: %@", path); /* DEBUG LOG */
-			int numLine = 0;
+			lineCount = 0;
 			FileReader* fileReader = [[FileReader alloc] initWithFilePath:path];
 			if (!fileReader) {
 				return;
 			}
 			
 			NSString* line = nil;
-			if ([m_searchBackwards boolValue]) {
-				while (line = [fileReader readLineBackwards]) {
-					numLine++;
-					NSLog(@"%3.d: %@", numLine, line); /* DEBUG LOG */
-					if (numLine >= [m_maxNumLines intValue]) {
+			
+			
+			if ([m_printLines boolValue]) {
+				// Print lines to console.
+				switch ([m_selectedReadMode intValue]) {
+					case FORWARDS:
+						while (line = [fileReader readLine]) {
+							lineCount++;
+							NSLog(@"%3.d: %@", lineCount, line);
+							if (lineCount >= [m_maxNumLines intValue]) {
+								break;
+							}
+						}				
 						break;
-					}
-				}
+					case BACKWARDS:
+						while (line = [fileReader readLineBackwards]) {
+							lineCount++;
+							NSLog(@"%3.d: %@", lineCount, line);
+							if (lineCount >= [m_maxNumLines intValue]) {
+								break;
+							}
+						}					
+						break;
+					default:
+						NSLog(@"Warning: Read mode not set correctly."); /* DEBUG LOG */
+						break;
+				}				
 			}
 			else {
-				while (line = [fileReader readLine]) {
-					numLine++;
-					NSLog(@"%3.d: %@", numLine, line); /* DEBUG LOG */
-					if (numLine >= [m_maxNumLines intValue]) {
+				// Do not print lines to console.				
+				switch ([m_selectedReadMode intValue]) {
+					case FORWARDS:
+						while (line = [fileReader readLine]) {
+							lineCount++;
+							if (lineCount >= [m_maxNumLines intValue]) {
+								break;
+							}
+						}				
+						break;
+					case BACKWARDS:
+						while (line = [fileReader readLineBackwards]) {
+							lineCount++;
+							if (lineCount >= [m_maxNumLines intValue]) {
+								break;
+							}
+						}					
+						break;
+					default:
+						NSLog(@"Warning: Read mode not set correctly."); /* DEBUG LOG */
 						break;
-					}
-				}
+				}				
 				
-			}			
+			}
+
 		}		
 	}
+	
+	NSTimeInterval processingEnded = [NSDate timeIntervalSinceReferenceDate];
+	
+	if ([m_selectedReadMode intValue] == FORWARDS)
+		self.status = [NSString stringWithFormat:@"Processing %d lines forwards took %f seconds.", lineCount, (processingEnded - processingStarted)];
+	else
+		self.status = [NSString stringWithFormat:@"Processing %d lines backwards took %f seconds.", lineCount, (processingEnded - processingStarted)];
+					
 }
 
 @end