[apt update and upgrade] #linux

updater.sh

#!/bin/bash


if [ $# -ne 1  ]
then
   echo "Invalid arguments"
   exit
fi

re='^[0-9]+$'
if ! [[ $1 =~ $re ]] ; then
   echo "Please pass a numerical argument!!!"
   exit
fi 

 
if [ $1 -eq 1 ]
then
    echo "*****************UPDATING**********************"
    sudo apt update -y
elif [ $1 -eq 2 ]
then
    echo *"****************UPGRADING***********************"
    sudo apt upgrade -y
elif [ $1 -eq 3 ]
then
    echo "*****************UPDATE and UPGRADE**************"
    printf "\n\nUPDATING\n\n\n\n\n"
    sudo apt update -y &&
    printf "\n\nUPGRADING\n\n\n\n"
    sudo apt upgrade -y 
elif [ $1 -eq 4 ]
then
    echo "*****************UPDATE and UPGRADE**************"
    printf "\n\nUPDATING\n\n\n\n\n"
    sudo apt update -y &&
    printf "\n\nUPGRADING\n\n\n\n" 
    sudo apt upgrade -y &&
    printf "\n\nAUTO REMOVING\n\n\n\n"
    sudo apt autoremove -y 

elif [ $1 -eq 5 ]
then
    echo "*****************CLEAN and then UPDATE and UPGRADE**************"
    printf "\n\nCLEANING\n"
    sudo rm -r /var/lib/apt/lists/* &&
    sudo apt-get clean && 
    printf "\n\nUPDATING\n\n\n\n\n"
    sudo apt update -y &&
    printf "\n\nUPGRADING\n\n\n\n" 
    sudo apt upgrade -y &&
    printf "\n\nAUTO REMOVING\n\n\n\n"
    sudo apt autoremove -y 
else
    echo "Ooopssss......"
    exit
fi