consistent command line processing-usage

sys/apps/Files.lua

@@ -542,7 +542,7 @@ function Browser.associations:eventHandler(event)
 end
 
 --[[-- Startup logic --]]--
-local args = { ... }
+local args = Util.parse(...)
 
 Browser:setDir(args[1] or shell.dir())
 

sys/apps/Help.lua

@@ -99,6 +99,6 @@ function page:eventHandler(event)
 	end
 end
 
-local args = { ... }
+local args = Util.parse(...)
 UI:setPage(args[1] and topicPage or page, args[1])
 UI:pullEvents()

sys/apps/Lua.lua

@@ -376,7 +376,7 @@ function page:executeStatement(statement)
 	end
 end
 
-local args = { ... }
+local args = Util.parse(...)
 if args[1] then
 	command = 'args[1]'
 	sandboxEnv.args = args

sys/apps/Sniff.lua

@@ -356,7 +356,7 @@ Event.on('modem_message', function(_, side, chan, reply, msg, dist)
 	end
 end)
 
-local args = {...}
+local args = Util.parse(...)
 if args[1] then
 	local id = tonumber(args[1])
 	if id then