networkPorts

#!/bin/bash
# betlog - 2019-10-31--20-31-42
#
logFile="/home/user/networkPorts.log"
commandBase="netstat --verbose --tcp --udp --protocol=inet,inet6,econet,ddp --program --extend --extend"
#-----------------
autoRefresh=1
clearScreen=1
writeLog=1
#
useRoot=0
rootString=""
# useRoot=0
# rootString="sudo "
#
# useNumeric=1
# numericString=" --numeric"
useNumeric=0
numericString=""
#
useWide=0
wideString=""
# useWide=1
# wideString=" --wide"
#
useListening=0
listeningString=""
# useListening=1
# listeningString=" --listening"
# listeningString=" --listening --all"
#
# ==============================================
[[ ! -f $(which netstat) ]] && sudo apt install net-tools
userName="$USER"
logStamp="$(date +%Y-%m-%d--%H-%M-%S)"
log="${logFile%/*}/${logStamp}_${logFile##*/}"
f_do () {
    [[ $clearScreen -eq 1 ]] && clear
    stamp="$(date +%Y-%m-%d--%H-%M-%S)"
    commandString=${rootString}${commandBase}${numericString}${wideString}${listeningString}
    echo "-----------------------------"
    echo "$stamp"
    if [[ $writeLog -eq 1 ]];then
        echo -ne "\\n$stamp\\n" >>"$log"
        $commandString 2> /dev/null | tee --append "$log"
    else
        $commandString 2> /dev/null
    fi
    echo "-----------------------------"
    [[ $writeLog -eq 1 ]] && echo "Logging to: $log" || echo "Logging off"
    echo "$commandString"
}
f_do
while :; do
    echo -ne "a)\\tauto\\t\\t[$(echo $autoRefresh|sed 's/1/ON /; s/0/OFF/')]"
    echo -ne "\\nc)\\tclear\\t\\t[$(echo $clearScreen|sed 's/1/ON /; s/0/OFF/')]"
    echo -ne "\\no)\\tlog\\t\\t[$(echo $writeLog|sed 's/1/ON /; s/0/OFF/')]"
    echo -ne "\\nr)\\troot\\t\\t[$(echo $useRoot|sed 's/1/ON /; s/0/OFF/')]"
    echo -ne "\\nn)\\tnumeric\\t\\t[$(echo $useNumeric|sed 's/1/ON /; s/0/OFF/')]"
    echo -ne "\\nl)\\tlistening\\t[$(echo $useListening|sed 's/1/ON /; s/0/OFF/')]"
    echo -ne "\\nw)\\twide\\t\\t[$(echo $useWide|sed 's/1/ON /; s/0/OFF/')]"
    echo -ne "\\n*)\\trefresh"
    echo -ne "\\nesc)\\texit\\n"
    echo "-----------------------------"
    [[ $autoRefresh -eq 1 ]] && cmd="read -s -n 1 -t 1.0 input" || cmd="read -s -n 1 input"
    $cmd
    case $input in
        a)
            autoRefresh=$((1-autoRefresh));
            f_do;
            ;;
        c)
            clearScreen=$((1-clearScreen));
            f_do;
            ;;
        o)
            writeLog=$((1-writeLog));
            f_do;
            ;;
        r)
            useRoot=$((1-useRoot));
            [[ $useRoot -eq 0 ]] && sudo -- || sudo -v;
            [[ $useRoot -eq 0 ]] && userName="$USER" || userName="ROOT";
            [[ $useRoot -eq 1 ]] && rootString="sudo " || rootString="";
            f_do;
            ;;
        n)
            useNumeric=$((1-useNumeric));
            [[ $useNumeric -eq 1 ]] && numericString=" --numeric" || numericString="";
            f_do;
            ;;
        w)
            useWide=$((1-useWide));
            [[ $useWide -eq 1 ]] && wideString=" --wide" || wideString="";
            f_do;
            ;;
        l)
            useListening=$((1-useListening));
            [[ $useListening -eq 1 ]] && listeningString=" --listening --all" || listeningString="";
#             [[ $useListening -eq 1 ]] && listeningString=" --listening" || listeningString="";
            f_do;
            ;;
        $'\e')
            [[ $useRoot -eq 1 ]] && sudo -- &> /dev/null;
            exit;
            ;;
        *)
            f_do;
            ;;
    esac
done