How to reverse the content of dictionary (or this table)?

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#1

Im making a update log UI, but since i definitely don’t want to do the primitive method of manually editting the UI by hand. I made a script to automaticly do the UI writing for me, and all i have to do is update the log.

While it is working as expected, i would love to have the table reversed so while the most recent update is at the bottom of the script, the actual recent update log appear at the top. Sure, i can just reverse the table writing, but i just dislike writing my newest update at the top of the script.

Is there any way i can reverse this table (or dictionary, whatever this type is called) content?

local ScrollingFrame = script.Parent.Frame.ScrollingFrame
local textLabel = ScrollingFrame.TextLabel

local headerSize = 40

local function Header(text)
	return [[<font size="]]..tostring(headerSize)..[[">]]..text..[[</font>]]
end

-- Please add the recent update at the top. Because its look like sorting dictionary normally is impossible
local update = {
	{
		Header("Version 1"),
		"Stuff"
	},
	{
		Header("Version 2"),
		"Stuff"
	},
	{
		Header("Version 3"),
		"Stuff"
	},
	{
		Header("Version 4"),
		"-Stuff"
	},
	
	
}

for i = 1,#update do
	local j = #update - i + 1
	update[i], update[j] = update[j], update[i]
end

local actualText = ""

for i,subTxt in pairs(update) do
	for i, txt in ipairs(subTxt) do
		actualText = actualText..txt.."\n" -- \n is equal enter
	end
	
	actualText = actualText.."\n"
end

textLabel.Text = actualText

-- Resize the scrolling frame to fit the text label
ScrollingFrame.CanvasSize = UDim2.fromOffset(0,textLabel.TextBounds.Y)
#2

it’s not entirely reversing, but i think you could do something like this?

for i = #update, 1, -1 do
   -- write stuff
end
3 Likes
#3

Try this, it reverses the table.

for i = 1, math.floor(#t/2) do
   local j = #t - i + 1
    t[i], t[j] = t[j], t[i]
end

Example:

image
image600×727 28.1 KB

#4

You can see from the script i provided at the post that i do indeed already tried that method, since i did some research before asking this question and stumbled on someone post with the same solution, however that code didn’t work for me as the table did not reversed.

#5

Also, huh, never crossed my mind on that. Guess i try, hopefully that work