Start the work on the icon changer

conf.lua

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+function love.conf(t)
+  t.identity = "love-exe-icon-changer"-- The name of the save directory (string)
+  t.appendidentity = false            -- Search files in source directory before save directory (boolean)
+  t.version = "11.1"                  -- The LÖVE version this game was made for (string)
+  t.console = false                   -- Attach a console (boolean, Windows only)
+  t.accelerometerjoystick = false     -- Enable the accelerometer on iOS and Android by exposing it as a Joystick (boolean)
+  t.externalstorage = true            -- True to save files (and read from the save directory) in external storage on Android (boolean) 
+  t.gammacorrect = false              -- Enable gamma-correct rendering, when supported by the system (boolean)
+
+  t.audio.mixwithsystem = true        -- Keep background music playing when opening LOVE (boolean, iOS and Android only)
+
+  t.window.title = "LÖVE-Icon-Changer"         -- The window title (string)
+  t.window.icon = nil                 -- Filepath to an image to use as the window's icon (string)
+  t.window.width = 300                -- The window width (number)
+  t.window.height = 200               -- The window height (number)
+  t.window.borderless = false         -- Remove all border visuals from the window (boolean)
+  t.window.resizable = false          -- Let the window be user-resizable (boolean)
+  t.window.minwidth = 1               -- Minimum window width if the window is resizable (number)
+  t.window.minheight = 1              -- Minimum window height if the window is resizable (number)
+  t.window.fullscreen = false         -- Enable fullscreen (boolean)
+  t.window.fullscreentype = "desktop" -- Choose between "desktop" fullscreen or "exclusive" fullscreen mode (string)
+  t.window.vsync = 1                  -- Vertical sync mode (number)
+  t.window.msaa = 0                   -- The number of samples to use with multi-sampled antialiasing (number)
+  t.window.display = 1                -- Index of the monitor to show the window in (number)
+  t.window.highdpi = false            -- Enable high-dpi mode for the window on a Retina display (boolean)
+  t.window.x = nil                    -- The x-coordinate of the window's position in the specified display (number)
+  t.window.y = nil                    -- The y-coordinate of the window's position in the specified display (number)
+  
+  t.window = nil
+
+  t.modules.audio = false             -- Enable the audio module (boolean)
+  t.modules.data = true               -- Enable the data module (boolean)
+  t.modules.event = true              -- Enable the event module (boolean)
+  t.modules.font = true               -- Enable the font module (boolean)
+  t.modules.graphics = true           -- Enable the graphics module (boolean)
+  t.modules.image = true              -- Enable the image module (boolean)
+  t.modules.joystick = false          -- Enable the joystick module (boolean)
+  t.modules.keyboard = true           -- Enable the keyboard module (boolean)
+  t.modules.math = true               -- Enable the math module (boolean)
+  t.modules.mouse = true              -- Enable the mouse module (boolean)
+  t.modules.physics = false           -- Enable the physics module (boolean)
+  t.modules.sound = false             -- Enable the sound module (boolean)
+  t.modules.system = true             -- Enable the system module (boolean)
+  t.modules.thread = true             -- Enable the thread module (boolean)
+  t.modules.timer = true              -- Enable the timer module (boolean), Disabling it will result 0 delta time in love.update
+  t.modules.touch = true              -- Enable the touch module (boolean)
+  t.modules.video = false             -- Enable the video module (boolean)
+  t.modules.window = true             -- Enable the window module (boolean)
+end

icon-changer.lua

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+--love-icon-changer library by RamiLego4Game (Rami Sabbagh)
+--[[
+- Usage:
+local iconChanger = require("icon-changer")
+
+local icodata = iconChanger.extractIcon(exeFile)
+]]
+
+local bit = require("bit")
+
+local bor,band,lshift,rshift = bit.bor,bit.band,bit.lshift,bit.rshift
+
+--==Internal Functions==--
+
+local function readNumber(str,bigEndian)
+  local num = 0
+  
+  if bigEndian then str = str:reverse() end
+  
+  for char in string.gmatch(str,".") do
+    local byte = string.byte(char)
+    
+    num = lshift(num,8)
+    num = bor(num, byte)
+  end
+  
+  return num
+end
+
+--==User API==--
+
+local icapi = {}
+
+function icapi.extractIcon(exeFile)
+  
+  --DOS Header
+  if exeFile:read(2) ~= "MZ" then return error("This is not an executable file !") end
+  
+  
+end
+
+return icapi

main.lua

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+
+local iconChanger = require("icon-changer")
+
+function love.load(args)
+  love.graphics.setBackgroundColor(1,1,1,1)
+  
+  local exeFile = assert(love.filesystem.newFile("love.exe","r"))
+  
+  local iconData = iconChanger.extractIcon(exeFile)
+  
+  if iconData then
+    love.filesystem.write("Extracted Icon.ico",iconData)
+    love.system.openURL("file://"..love.filesystem.getSaveDirectory())
+  end
+  
+  love.event.quit(0)
+end
+
+function love.draw()
+  love.graphics.setColor(0,0,0,1)
+  love.graphics.printf("Icon extracted",0,200/2-5,300,"center")
+end
+
+function love.update(dt)
+  
+end