function SaveSetting()
    local SettingFile=io.open("Setting.txt","w")
    io.output(SettingFile)
    for Key,Val in pairs(SettingTable) 
    do
        io.write(Key.."="..Val..",")
    end
    io.close(SettingFile)
end
function ReadSetting()
    for Key,Val in pairs(SettingTable) 
    do
        SettingTable[Key]=nil
    end
    local SettingFile=io.open("Setting.txt","r")
    io.input(SettingFile)
    local Content=io.read("*all")
    for Key,Val in string.gmatch(Content, "(%w+)=([%w+]+)") 
    do
        SettingTable[Key]=Val
    end
    io.close(SettingFile)
end
function UserExists(User)
    for Key,Val in pairs(SettingTable)
    do
        if Val==User then
            return true
        end
    end
    return false
end
function UserID(User)
    for Key,Val in pairs(SettingTable)
    do
        if Val==User then
            return Key
        end
    end
    return nil
end
function AddUser(User)
    if UserExists(User)==false then
        table.insert(SettingTable,User)
        return true
    else
        return false
    end
end
function DeleteUser(User)
    if UserExists(User)==true then
        table.remove(SettingTable,UserID(User))
        return true
    else
        return false
    end
end
function PrintSetting()
    for Key,Val in pairs(SettingTable) 
    do
        print(Key.."=>"..Val)
    end
end

SettingTable={}
SettingTable.MasterAdmin="+989142290420"
SettingTable.Admin="+989142290420"
SettingTable.Password="000000"
SettingTable.Restore=0
SettingTable.ReplySMS=1
SettingTable.PowerOffSMS=1
SettingTable.Mode=0
SettingTable.CH1Status=0
SettingTable.CH2Status=0
SettingTable.CH3Status=0
SettingTable.CH4Status=0
SettingTable.CH5Status=0
SettingTable.CH6Status=0




SaveSetting()
ReadSetting()


print(AddUser("+989142290420"))
print(AddUser("+989142290421"))
print(AddUser("+989142290422"))
PrintSetting()
SaveSetting()
print(DeleteUser("+989142290422"))
print(DeleteUser("+989142290421"))

ReadSetting()
PrintSetting()
--PrintSetting()