Command Runnah

local avp=peripheral.wrap("right")
local cmd=peripheral.wrap("left")
if not fs.isDir("commandsList") then fs.delete("commandsList") fs.makeDir("commandsList") end

local opList={MudkipTheEpic=true}

local function checkExists(command)
    return (fs.exists("CommandsList/"..command) and not fs.isDir("CommandsList/"..command) and (string.sub(fs.combine("CommandsList/", command),1,13)=="CommandsList/" or fs.combine("",command)==("" or "/")))
end

local function tellPlayer(player,text)
    cmd.setCommand("tell "..player.." "..text)
    return cmd.runCommand()
end

while true do
    local _,username,chatmessage=os.pullEvent("chat_message")--or raw
    print(username.." said \""..chatmessage.."\".")
    local command=nil
    local commandList={}
    string.gsub(chatmessage,"([^%s]+)",function(a) if not command then command=a else table.insert(commandList,a) end end)
    if opList[username] and checkExists(command) then
        pcall(function() shell.run("CommandsList/"..command,username,unpack(commandList)) end)
    elseif not opList[username] and checkExists(command) then
        tellPlayer(username,"You are not permitted to use this command.")
    end
end