diff --git a/Commands/alert.mm b/Commands/alert.mm
index eac1f90..452700f 100644
--- a/Commands/alert.mm
+++ b/Commands/alert.mm
@@ -44,24 +44,65 @@ - (void)handleCommand:(CLIProxy*)proxy
 		[alert setMessageText:msg];
 	if(NSString* txt = [args objectForKey:@"body"])
 		[alert setInformativeText:txt];
+	if(NSString* sup = [args objectForKey:@"suppression"])
+	{
+		[alert setShowsSuppressionButton:YES];
+		[[alert suppressionButton] setTitle:sup];
+	}
+
+	if(NSString* iconPath = [args objectForKey:@"icon"])
+	{
+		NSImage *icon = nil;
+		iconPath = [iconPath stringByResolvingSymlinksInPath];
+		BOOL isDir = NO;
+		if([[NSFileManager defaultManager] fileExistsAtPath:iconPath isDirectory:&isDir] && !isDir)
+		{
+			icon = [[NSImage alloc] initByReferencingFile:iconPath];
+			if(icon && [icon isValid])
+			{
+				[alert setIcon:icon];
+				[icon release];
+			}
+		}
+		else if(icon = [NSImage imageNamed:iconPath])
+			[alert setIcon:icon];
+		else if(icon = [NSImage imageNamed:[iconPath stringByReplacingOccurrencesOfString:@"ImageName" withString:@""]])
+			[alert setIcon:icon];
+
+		if(!icon)
+			fprintf(stderr, "Passed icon path or named image '%s' not found.\n", [iconPath UTF8String]);
+
+	}
 
 	int i = 0;
 	while(NSString* button = [args objectForKey:[NSString stringWithFormat:@"button%d", ++i]])
 		[alert addButtonWithTitle:button];
 
 	int alertResult = ([alert runModal] - NSAlertFirstButtonReturn);
-	NSDictionary* resultDict = [NSDictionary dictionaryWithObject:[NSNumber numberWithInt:alertResult] forKey:@"buttonClicked"];
+	NSMutableDictionary* resultDict = [NSMutableDictionary dictionary];
+	[resultDict setObject:[NSNumber numberWithInt:alertResult] forKey:@"buttonClicked"];
+	if([args objectForKey:@"suppression"])
+		[resultDict setObject:[NSNumber numberWithInt:[[alert suppressionButton] state]] forKey:@"suppressionButtonState"];
 
-	[TMDCommand writePropertyList:resultDict toFileHandle:[proxy outputHandle]];
+	[TMDCommand writePropertyList:resultDict toFileHandle:[proxy outputHandle] withProxy:proxy];
 }
 
 - (NSString *)commandDescription
 {
-	return @"Show an alert box.";
+	return @"Shows a customizable alert box and returns the index of the chosen button - counting from the right.";
 }
 
 - (NSString *)usageForInvocation:(NSString *)invocation;
 {
-	return [NSString stringWithFormat:@"\t%1$@ --alertStyle warning --title 'Delete File?' --body 'You cannot undo this action.' --button1 Delete --button2 Cancel\n", invocation];
+	return [NSString stringWithFormat:
+	@"\t%1$@ --alertStyle critical --title 'Delete File?' --body 'You cannot undo this action.' --button1 Delete --button2 Cancel\n"
+	@"\t%1$@ --filter buttonClicked --title 'Delete File?' --body 'You cannot undo this action.' --button1 Delete --button2 Cancel\n"
+	@"\t%1$@ --icon NSUserAccounts --title 'Delete Account?' --body 'You cannot undo this action.' --button1 Delete --button2 Cancel\n"
+	@"\t%1$@ --icon '~/Pictures/iChat Icons/Flags/Denmark.png' --title 'First Run?' --body 'Please note this.' --suppression 'Do not show this again'\n"
+	@"\nOption:\n"
+	@"\t--alertStyle {informational, warning, critical}\n"
+	@"\t\t if not specified the default style is 'informational'\n"
+	@"\t--icon «image path or known image name»\n"
+	@"\t--suppression «title»\n", invocation];
 }
 @end
diff --git a/Commands/defaults.mm b/Commands/defaults.mm
index 11f2e3a..d5279b2 100644
--- a/Commands/defaults.mm
+++ b/Commands/defaults.mm
@@ -27,13 +27,13 @@ - (void)handleCommand:(CLIProxy*)proxy
 	if(NSString* key = [args objectForKey:@"read"])
 	{
 		if(id obj = [[NSUserDefaults standardUserDefaults] objectForKey:key])
-			[TMDCommand writePropertyList:obj toFileHandle:[proxy outputHandle]];
+			[TMDCommand writePropertyList:obj toFileHandle:[proxy outputHandle] withProxy:proxy];
 	}
 }
 
 - (NSString *)commandDescription
 {
-	return @"Register default values for user settings.";
+	return @"Registers default values for user settings.";
 }
 
 - (NSString *)usageForInvocation:(NSString *)invocation;
diff --git a/Commands/help.mm b/Commands/help.mm
index 7306e86..41f464b 100644
--- a/Commands/help.mm
+++ b/Commands/help.mm
@@ -22,29 +22,38 @@ - (NSString *)commandDescription
 
 - (NSString *)usageForInvocation:(NSString *)invocation;
 {
-	return [NSString stringWithFormat:@"%@ help [command]", invocation];
+	return [NSString stringWithFormat:@"\t%1$@ [«command»]\n", invocation];
 }
 
 - (NSString *)commandSummaryText
 {
 	NSDictionary *commands = [TMDCommand registeredCommands];
-	
+	NSArray *sortedItems   = [[commands allKeys] sortedArrayUsingSelector:@selector(localizedCaseInsensitiveCompare:)];
+
 	NSMutableString *help = [NSMutableString stringWithCapacity:100];
 
-	int commandCount = 0;
-	for(NSEnumerator *enumerator = [commands keyEnumerator]; NSString *commandName = [enumerator nextObject]; )
+	NSInteger commandCount = 0;
+	for(NSString *commandName in sortedItems)
 	{
 		if(![commandName hasPrefix:@"x-"])
 		{
 			++commandCount;
-			TMDCommand *command = [commands objectForKey:commandName];
-			NSString *description = [command commandDescription];
-			[help appendFormat:@"\t%@: %@\n", commandName, description];
+			NSString *description = [[(TMDCommand*)[commands objectForKey:commandName] commandDescription] 
+												stringByReplacingOccurrencesOfString:@"\n" withString:@"\n\t\t"];
+			[help appendFormat:@"\t%@\n\t\t%@\n", commandName, description];
 		}
 	}
-	[help insertString:[NSString stringWithFormat:@"%d commands registered:\n", commandCount] atIndex:0];
+	[help insertString:[NSString stringWithFormat:@"%ld commands registered:\n", commandCount] atIndex:0];
 
-	[help appendString:@"Use `\"$DIALOG\" help command` for detailed help\n"];
+	[help appendString:@"\nUse `\"$DIALOG\" help command` for detailed help\n\n"];
+	[help appendString:
+		@"Options:\n"
+		@"\t--filter <key>\n"
+		@"\t--filter <plist array of keys>\n"
+		@"\t\tFor commands returning a property list as default specify the <key(s)>\n"
+		@"\t\twhose value(s) should be outputted as plain string\n"
+		@"\t\tseparated by a new line character.\n"
+		@"\t\tIf a passed <key> doesn't exist it returns an empty string.\n"];
 
 	return help;
 }
@@ -57,7 +66,7 @@ - (NSString *)helpForCommand:(NSString *)commandName
 	if(![commandName hasPrefix:@"x-"] && (command = [TMDCommand objectForCommand:commandName]))
 	{
 		[help appendFormat:@"%@\n\n",[command commandDescription]];
-		[help appendFormat:@"%@ usage:\n",commandName];
+		[help appendFormat:@"'%@' usage:\n",commandName];
 		[help appendFormat:@"%@\n",[command usageForInvocation:[NSString stringWithFormat:@"\"$DIALOG\" %@", commandName]]];
 	}
 	else
diff --git a/Commands/images.mm b/Commands/images.mm
index cd23d67..c7bed89 100644
--- a/Commands/images.mm
+++ b/Commands/images.mm
@@ -34,7 +34,7 @@ - (void)handleCommand:(CLIProxy*)proxy
 
 - (NSString *)commandDescription
 {
-	return @"Add image files as named images for use by other commands/nibs.";
+	return @"Adds image files as named images for use by other commands/nibs.";
 }
 
 - (NSString *)usageForInvocation:(NSString *)invocation;
diff --git a/Commands/menu.mm b/Commands/menu.mm
index 5d1363c..7784d84 100644
--- a/Commands/menu.mm
+++ b/Commands/menu.mm
@@ -1,4 +1,3 @@
-#import <Carbon/Carbon.h>
 #import "../Dialog2.h"
 #import "../TMDCommand.h"
 #import "Utilities/TextMate.h" // -positionForWindowUnderCaret
@@ -12,31 +11,43 @@
 "$DIALOG" menu --items '({title = "foo"; header = 1;},{title = "bar";})'
 */
 
+#define kMenuTitleKey     @"title"
+#define kMenuItemsKey     @"items"
+#define kMenuSeparatorKey @"separator"
+#define kMenuHeaderKey    @"header"
+#define kMenuMenuKey      @"menu"
+
 @interface DialogPopupMenuTarget : NSObject
 {
-	NSInteger selectedIndex;
+	NSDictionary *selectedObject;
 }
-@property NSInteger selectedIndex;
+@property (nonatomic, retain) NSDictionary *selectedObject;
 @end
 
 @implementation DialogPopupMenuTarget
-@synthesize selectedIndex;
+@synthesize selectedObject;
 - (id)init
 {
 	if((self = [super init]))
-		self.selectedIndex = NSNotFound;
+		self.selectedObject = nil;
 	return self;
 }
 
 - (BOOL)validateMenuItem:(NSMenuItem*)menuItem
 {
-	return [menuItem action] == @selector(takeSelectedItemIndexFrom:);
+	return [menuItem action] == @selector(takeSelectedItemFrom:);
 }
 
-- (void)takeSelectedItemIndexFrom:(id)sender
+- (void)takeSelectedItemFrom:(id)sender
 {
 	NSAssert([sender isKindOfClass:[NSMenuItem class]], @"Unexpected sender for menu target");
-	self.selectedIndex = [(NSMenuItem*)sender tag];
+	self.selectedObject = [(NSMenuItem*)sender representedObject];
+}
+
+- (void)dealloc
+{
+	if(selectedObject) [selectedObject release];
+	[super dealloc];
 }
 @end
 
@@ -48,23 +59,26 @@ @interface TMDMenuCommand : TMDCommand
 @implementation TMDMenuCommand
 + (void)load
 {
-	[TMDCommand registerObject:[self new] forCommand:@"menu"];
+	[TMDCommand registerObject:[self new] forCommand:kMenuMenuKey];
 }
 
 - (NSString *)commandDescription
 {
-	return @"Presents a menu using the given structure and returns the option chosen by the user";
+	return @"Presents a menu using the given structure and returns the underlying object chosen by the user.";
 }
 
 - (NSString *)usageForInvocation:(NSString *)invocation;
 {
-	return [NSString stringWithFormat:@"\t%1$@ --items '({title = foo;}, {separator = 1;}, {header=1; title = bar;}, {title = baz;})'\n", invocation];
+	return [NSString stringWithFormat:@"\
+	%1$@ --items '({title = foo;}, {separator = 1;}, {header=1; title = bar;}, {title = baz;})'\n\
+	%1$@ --items '({title = foo;}, {separator = 1;}, {header=1; title = bar1;}, {title = baz; ofHeader = bar1;}, {header=1; title = bar2;}, {title = baz; ofHeader = bar2;}, {menu = { title = aSubmenu; items = ( {title = baz; ofSubmenu = aSubmenu;}, {separator = 1;}, {header=1; title = bar2;}, {title = subbaz;} ); };})'\n",
+			 invocation];
 }
 
 - (void)handleCommand:(CLIProxy*)proxy
 {
 	NSDictionary* args = [proxy parameters];
-	NSArray* menuItems = [args objectForKey:@"items"];
+	NSArray* menuItems = [args objectForKey:kMenuItemsKey];
 
 	// FIXME this is needed only because we presently can’t express argument constraints (CLIProxy would otherwise correctly validate/convert CLI arguments)
 	if([menuItems isKindOfClass:[NSString class]])
@@ -74,31 +88,84 @@ - (void)handleCommand:(CLIProxy*)proxy
 	[menu setFont:[NSFont menuFontOfSize:([[NSUserDefaults standardUserDefaults] integerForKey:@"OakBundleManagerDisambiguateMenuFontSize"] ?: [NSFont smallSystemFontSize])]];
 	DialogPopupMenuTarget* menuTarget = [[[DialogPopupMenuTarget alloc] init] autorelease];
 
-	int item_id = 0;
-	bool in_section = false;
+	NSInteger item_id_key = 0;
+	BOOL in_section = false;
+
 	enumerate(menuItems, NSDictionary* menuItem)
 	{
-		if([[menuItem objectForKey:@"separator"] intValue])
+		// check for separator
+		if([[menuItem objectForKey:kMenuSeparatorKey] intValue])
 		{
 			[menu addItem:[NSMenuItem separatorItem]];
 		}
-		else if([[menuItem objectForKey:@"header"] intValue])
+		// check for header and indent following items
+		else if([[menuItem objectForKey:kMenuHeaderKey] intValue])
 		{
-			[menu addItemWithTitle:[menuItem objectForKey:@"title"] action:NULL keyEquivalent:@""];
-			in_section = true;
+			if(NSString *item = [menuItem objectForKey:kMenuTitleKey])
+			{
+				[menu addItemWithTitle:item action:NULL keyEquivalent:@""];
+				in_section = true;
+			}
 		}
+		// check for a submenu
+		else if(NSDictionary *aSubMenu = [menuItem objectForKey:kMenuMenuKey])
+		{ 
+			if([aSubMenu objectForKey:kMenuTitleKey] &&
+				[aSubMenu objectForKey:kMenuItemsKey] &&
+				[[aSubMenu objectForKey:kMenuItemsKey] isKindOfClass:[NSArray class]])
+			{
+				NSArray *subMenuItems = (NSArray*)[aSubMenu objectForKey:kMenuItemsKey];
+				NSMenu* submenu = [[[NSMenu alloc] init] autorelease];
+				[submenu setFont:[NSFont menuFontOfSize:([[NSUserDefaults standardUserDefaults] integerForKey:@"OakBundleManagerDisambiguateMenuFontSize"] ?: [NSFont smallSystemFontSize])]];
+
+				NSString *submenuTitle = [aSubMenu objectForKey:kMenuTitleKey];
+				BOOL subin_section = false;
+
+				enumerate(subMenuItems, NSDictionary* menuItem)
+				{
+					if([[menuItem objectForKey:kMenuSeparatorKey] intValue])
+					{
+						[submenu addItem:[NSMenuItem separatorItem]];
+					}
+					else if([[menuItem objectForKey:kMenuHeaderKey] intValue])
+					{
+						if(NSString *item = [menuItem objectForKey:kMenuTitleKey])
+						{
+							[submenu addItemWithTitle:item action:NULL keyEquivalent:@""];
+							subin_section = true;
+						}
+					}
+					else if(NSString *item = [menuItem objectForKey:kMenuTitleKey])
+					{
+						NSMenuItem* theItem = [submenu addItemWithTitle:item action:@selector(takeSelectedItemFrom:) keyEquivalent:@""];
+						[theItem setTarget:menuTarget];
+						[theItem setRepresentedObject:menuItem];
+						if(subin_section)
+							[theItem setIndentationLevel:1];
+					}
+				}
+				NSMenuItem* subMenuItem = [[NSMenuItem alloc] initWithTitle:submenuTitle action:NULL keyEquivalent:@""];
+				[subMenuItem setSubmenu:submenu];
+				[menu addItem:subMenuItem];
+				[subMenuItem release];
+			}
+		}
+		// check for items specified by the key 'title'
 		else
 		{
-			NSMenuItem* theItem = [menu addItemWithTitle:[menuItem objectForKey:@"title"] action:@selector(takeSelectedItemIndexFrom:) keyEquivalent:@""];
-			[theItem setTarget:menuTarget];
-			[theItem setTag:item_id];
-			if(++item_id <= 10)
+			if(NSString *item = [menuItem objectForKey:kMenuTitleKey])
 			{
-				[theItem setKeyEquivalent:[NSString stringWithFormat:@"%d", item_id % 10]];
-				[theItem setKeyEquivalentModifierMask:0];
+				NSMenuItem* theItem = [menu addItemWithTitle:item action:@selector(takeSelectedItemFrom:) keyEquivalent:@""];
+				[theItem setTarget:menuTarget];
+				[theItem setRepresentedObject:menuItem];
+				if(++item_id_key <= 10)
+				{
+					[theItem setKeyEquivalent:[NSString stringWithFormat:@"%ld", item_id_key % 10]];
+					[theItem setKeyEquivalentModifierMask:0];
+				}
+				if(in_section)
+					[theItem setIndentationLevel:1];
 			}
-			if (in_section)
-				[theItem setIndentationLevel:1];
 		}
 	}
 
@@ -107,7 +174,8 @@ - (void)handleCommand:(CLIProxy*)proxy
 		pos = [textView positionForWindowUnderCaret];
 	
 
-	if([menu popUpMenuPositioningItem:nil atLocation:pos inView:nil] && menuTarget.selectedIndex != NSNotFound)
-		[TMDCommand writePropertyList:[menuItems objectAtIndex:menuTarget.selectedIndex] toFileHandle:[proxy outputHandle]];
+	if([menu popUpMenuPositioningItem:nil atLocation:pos inView:nil] && menuTarget.selectedObject)
+		[TMDCommand writePropertyList:menuTarget.selectedObject toFileHandle:[proxy outputHandle] withProxy:proxy];
+
 }
 @end
diff --git a/Commands/nib/TMDNibController.mm b/Commands/nib/TMDNibController.mm
index 0cd9aaf..e5846a5 100644
--- a/Commands/nib/TMDNibController.mm
+++ b/Commands/nib/TMDNibController.mm
@@ -173,7 +173,7 @@ - (void)return:(NSDictionary*)eventInfo
 		nil];
 
 	enumerate(clientFileHandles, NSFileHandle* fileHandle)
-		[TMDCommand writePropertyList:res toFileHandle:fileHandle];
+		[TMDCommand writePropertyList:res toFileHandle:fileHandle withProxy:NULL];
 
 	[clientFileHandles removeAllObjects];
 }
diff --git a/Commands/nib/nib.mm b/Commands/nib/nib.mm
index f1b96b0..7978f28 100644
--- a/Commands/nib/nib.mm
+++ b/Commands/nib/nib.mm
@@ -153,11 +153,11 @@ - (NSString *)commandDescription
 - (NSString *)usageForInvocation:(NSString *)invocation;
 {
 	return [NSString stringWithFormat:
-		@"%1$@ --load «nib file» [«options»]\n"
-		@"%1$@ --update «token» [«options»]\n"
-		@"%1$@ --wait «token»\n"
-		@"%1$@ --dispose «token»\n"
-		@"%1$@ --list\n"
+		@"\t%1$@ --load «nib file» [«options»]\n"
+		@"\t%1$@ --update «token» [«options»]\n"
+		@"\t%1$@ --wait «token»\n"
+		@"\t%1$@ --dispose «token»\n"
+		@"\t%1$@ --list\n"
 		@"\nOptions:\n"
 		@"\t--center\n"
 		@"\t--model «plist»\n",
diff --git a/Commands/popup/popup.mm b/Commands/popup/popup.mm
index 486d677..0c313f3 100644
--- a/Commands/popup/popup.mm
+++ b/Commands/popup/popup.mm
@@ -53,12 +53,21 @@ - (void)handleCommand:(CLIProxy*)proxy
 
 - (NSString *)commandDescription
 {
-	return @"Presents the user with a list of items which can be filtered down by typing to select the item they want.";
+	return @"Presents the user with a list of items which can be filtered down by typing.";
 }
 
 - (NSString *)usageForInvocation:(NSString *)invocation;
 {
-	return [NSString stringWithFormat:@"\t%1$@ --suggestions '( { display = law; }, { display = laws; insert = \"(${1:hello}, ${2:again})\"; } )'\n", invocation];
+	return [NSString stringWithFormat:
+	@"\t%1$@ --suggestions '( { display = law; }, { display = laws; insert = \"(${1:hello}, ${2:again})\"; } )'\n\n"
+	@"\tThe chosen item given by the key “display” or, if the “insert” key is specified,\n"
+	@"\tthe content of that key which also can be a snippet will be inserted into the front-most document.\n\n"
+	@"Options:\n"
+	@"\t--alreadyTyped «string»\n"
+	@"\t--staticPrefix «string»\n"
+	@"\t--additionalWordCharacters «string»\n"
+	@"\t--returnChoice «boolean»\n"
+	@"\t--caseInsensitive «boolean»\n", invocation];
 }
 
 @end
diff --git a/Commands/prototype/prototype.mm b/Commands/prototype/prototype.mm
index a950d4a..f3210fa 100644
--- a/Commands/prototype/prototype.mm
+++ b/Commands/prototype/prototype.mm
@@ -37,7 +37,7 @@ - (void)handleCommand:(CLIProxy*)proxy
 
 - (NSString *)commandDescription
 {
-	return @"Register classes for use with NSArrayController.";
+	return @"Registers classes for use with NSArrayController.";
 }
 
 - (NSString *)usageForInvocation:(NSString *)invocation;
diff --git a/Commands/tooltip/tooltip.mm b/Commands/tooltip/tooltip.mm
index cad1b72..06fffb1 100644
--- a/Commands/tooltip/tooltip.mm
+++ b/Commands/tooltip/tooltip.mm
@@ -21,7 +21,11 @@ - (NSString *)commandDescription
 
 - (NSString *)usageForInvocation:(NSString *)invocation;
 {
-	return [NSString stringWithFormat:@"\t%1$@ --text 'regular text'\n\t%1$@ --html '<some>html</some>'\nUse --transparent to give the tooltip window a transparent background (10.5+ only)", invocation];
+	return [NSString stringWithFormat:
+		@"\t%1$@ --text 'regular text'\n"
+		@"\t%1$@ --html '<b>html</b>'\n"
+		@"\nOption:\n"
+		@"\t--transparent transparent background\n", invocation];
 }
 
 - (void)handleCommand:(CLIProxy*)proxy
diff --git a/TMDCommand.h b/TMDCommand.h
index ccb3d6a..40cbbd3 100644
--- a/TMDCommand.h
+++ b/TMDCommand.h
@@ -7,7 +7,7 @@
 + (id)objectForCommand:(NSString*)aCommand;
 
 + (id)readPropertyList:(NSFileHandle*)aFileHandle error:(NSString**)error;
-+ (void)writePropertyList:(id)aPlist toFileHandle:(NSFileHandle*)aFileHandle;
++ (void)writePropertyList:(id)aPlist toFileHandle:(NSFileHandle*)aFileHandle withProxy:(CLIProxy*)proxy;
 
 - (NSString *)commandDescription;
 - (NSString *)usageForInvocation:(NSString *)invocation;
diff --git a/TMDCommand.mm b/TMDCommand.mm
index 6682884..eb7a545 100644
--- a/TMDCommand.mm
+++ b/TMDCommand.mm
@@ -31,11 +31,51 @@ + (id)readPropertyList:(NSFileHandle*)aFileHandle error:(NSString**)error;
 	return plist;
 }
 
-+ (void)writePropertyList:(id)aPlist toFileHandle:(NSFileHandle*)aFileHandle
++ (void)writePropertyList:(id)aPlist toFileHandle:(NSFileHandle*)aFileHandle withProxy:(CLIProxy*)proxy
 {
 	NSString* error = nil;
+
 	if(NSData* data = [NSPropertyListSerialization dataFromPropertyList:aPlist format:NSPropertyListXMLFormat_v1_0 errorDescription:&error])
 	{
+
+		// check, if a proxy is passed, for --filter <key> option
+		// if so then only return the passed 'key' value as a plain string
+		// or for --filter '(array,of,keys)' then return the values of these keys
+		// separated by a new line \n
+		if(proxy)
+		{
+			NSDictionary *args = [proxy parameters];
+			if(NSString *outputKeys = [args objectForKey:@"filter"])
+			{
+				// check argument and try to convert it to an array
+				id raw_keys = [NSPropertyListSerialization propertyListFromData:[(NSString*)outputKeys dataUsingEncoding:NSUTF8StringEncoding] mutabilityOption:NSPropertyListImmutable format:nil errorDescription:NULL];
+				NSArray *keys = nil;
+				if([raw_keys isKindOfClass:[NSString class]])
+					keys = [NSArray arrayWithObject:raw_keys];
+				else if([raw_keys isKindOfClass:[NSArray class]])
+					keys = raw_keys;
+				else
+				{
+					fprintf(stderr, "no single string or array passed as value for option '--filter'\n");
+					return;
+				}
+				NSMutableArray *out = [NSMutableArray arrayWithCapacity:[keys count]];
+				for(NSString *outputKey in keys)
+				{
+					if(NSString *output = [aPlist objectForKey:outputKey])
+					{
+						[out addObject:output];
+					}
+					else
+					{
+						[out addObject:@""];
+						fprintf(stderr, "no key '%s' found in returned property list\n", [outputKey UTF8String]);
+					}
+				}
+				[aFileHandle writeString:[out componentsJoinedByString:@"\n"]];
+				return;
+			}
+		}
 		[aFileHandle writeData:data];
 	}
 	else