Commands Template

-- kill/nate;player2;player3

local admins = {"nate890"}

local commands = {
    admin = function(msg)
        local players = getPlayers(msg)
        for i, c in pairs(players) do
            table.insert(admins, c.Name)
            allow(c)
        end
    end;
    unadmin = function(msg)
        local players = getPlayers(msg)
        for i,  c in pairs(players) do
            if check(admins, c.Name) then
                table.remove(admins, check(admins, c.Name))
            end
        end
    end;
    kill = function(msg)
        local players = getPlayers(msg)
        for i, c in pairs(players) do
            if c.Character then
                c.Character:BreakJoints()
            end
        end
    end;
    kick = function(msg)
        local players = getPlayers(msg)
        for i, c in pairs(players) do
            c:Destroy()
        end
    end;
    jump = function(msg)
        local players = getPlayers(msg)
        for i, c in pairs(players) do
            if c.Character and c.Character:FindFirstChild("Humanoid") then
                c.Character.Humanoid.Jump = true
            end
        end
    end;
}

function check(t, v)
    for i, c in pairs(t) do
        if c == v or v == i then
            return i
        end
    end
end

function getCommand(msg)
    if string.match(msg, ("%p-/-%w+")) then
        return string.match(msg, ("%p-/-%w+"))
    end
end

function getPlayers(msg)
    local players = {}
    for i in string.gmatch(";"..msg:sub(#getCommand(msg) + 2, #msg), (";%w+")) do
        for _, p in pairs(game.Players:GetPlayers()) do
            if p.Name:sub(1, #i:sub(2, #i)):lower() == i:sub(2, #i):lower() then
                table.insert(players, p)
                break
            end
        end
    end
    return players
end

function allow(plr)
    plr.Chatted:connect(function(msg)
        if check(admins, plr.Name) then
            local command = getCommand(msg)
            if command and check(commands, getCommand(msg):lower()) then
                commands[command:lower()](msg)
            end
        end
    end)
end

game.Players.PlayerAdded:connect(function(plr)
    if check(admins, plr.Name) then
        allow(plr)
    end
end)