Toolbar Shortcut Key Algorithm

ToolbarShortcutKeyAlgorithm.lua

local ToolbarMenuStrings = {"Hello", "World", "Menu", "Bar", "Has", "Awesome", "MenubarSupport"}
local Used = {}
function Eval(Str)
    local Index = 0
    local Current = Str:gsub('%U', '')
    if (#Current == 0) then
        Current = Str:gsub('%u', '')
    end
    while (Index < #Current+1) do
        Index = Index + 1
        local Char = Current:sub(1, 1):lower()
        if (not Used[Char]) then
            Used[Char] = true
            print('Using ' .. Char .. ' for word ' .. Str .. ' (dbg.cindex ' .. Index .. ')')
            break
        else
            Current = Current:sub(2)
        end
        if (#Current == 0) then
            Current = Str:gsub('%u', '')
        end
    end
end

for _,String in next,ToolbarMenuStrings do
    Eval(String)
end