WoW Version Check Code - LUA

wow-version-check.lua

-- Version 1
-- Get WoW Client version 1-Classic, 2-TBCc, 9-Retail
local wowver=floor((floor(select(4, GetBuildInfo()))/10000))

print("Toc:", wowver)

if wowver == 1 then
  print("This is Classic")
elseif wowver == 2 then
  print("This is TBC")
elseif wowver == 9 then
  print("This is Retail")
end


-- Version 2 Check Version of WoW Client
local function IsClassic()
    return BackdropTemplateMixin == nil and WOW_PROJECT_ID == WOW_PROJECT_CLASSIC
end
local function IsTBC()
    return BackdropTemplateMixin and WOW_PROJECT_ID == WOW_PROJECT_CLASSIC
end
local function IsRetail()
    return WOW_PROJECT_ID == WOW_PROJECT_MAINLINE
end

-- Call the function

if IsRetail() then
  -- do something
end
if IsClassic() then
  -- do something else
end
if IsTBC() then
  -- do something else else
end