Shecan.ir script

shecan.sh

shecan(){
    # dns config file
    conf=/etc/resolv.conf
    downNames=$(cat << EOF  
nameserver 8.8.4.4
nameserver 8.8.8.8
EOF
)
    upNames=$(cat << EOF  
# shecan servers
nameserver 178.22.122.100 
nameserver 185.51.200.2 
EOF
)
        # status flag
        if [[ $1 = "-s" ]]; then 
            cat $conf;
            return;
        fi
        # deactivate flag
        if [[ $1 = "-d" ]]; then 
            echo $downNames | sudo tee $conf && echo "shecan off.";
        # activate (no flag)
        else
             echo $upNames| sudo tee $conf && echo "shecan on!";
        fi
}