rede

#!/bin/zsh
#rede () 
#{
#    con=($(head /proc/net/wireless |grep 000|awk {'print $1'}|sed 's/://g') $(head /proc/net/dev |grep -Ev 'wlp|lo|face|Inter'|awk {'print $1'}|sed 's/://g'))
#    for (( i = 1; i <= ${#con[@]}; i++ )); do
#      ativ=$(grep $con[$i] /proc/net/dev|awk {'print $2'})
#      [[ $ativ -gt 0 ]]&&\
#        case $con[$i] in
#          enp* ) icon[$i]="";;
#          wlp* ) icon[$i]="";;
#          tun* ) icon[$i]="";;
#          modem* ) icon[$i]="";;
#          * ) icon[$i]="<?>";;
#        esac || echo ""
#    done
#    echo $icon[@]
#}

rx.sx ()
{
    baseOld=(${(f)"$(< /proc/net/dev)"})
    icon=""
    interface=${${(s#:#)baseOld[4]}[1]}
    while true; do
        sleep 1
        baseNew=(${(f)"$(< /proc/net/dev)"})
        if [[ $baseOld != $base ]]; then           
            rxNew=${${(s: :)baseNew[4]}[2]}
            rxOld=${${(s: :)baseOld[4]}[2]}
            txNew=${${(s: :)baseNew[4]}[10]}
            txOld=${${(s: :)baseOld[4]}[10]}
            down=$(( (rxNew - rxOld) / 1024 ))
            up=$(( (txNew - txOld) / 1024 ))
            clear
            print -f '%-5b %-10s %-5s %4s %-5s %4s' "$icon" "$interface" "Down" "$down" "| Up" "$up"
            baseOld=(${baseNew[@]})
        fi
    done
}

rx.sx