RSO Network Diag 1.3

#!/bin/bash
#
#######################################
# RSO Network Diag
# Description:
#   Collects and outputs basic network settings for troubleshooting. Optional uplaod to file.io.
# Oneliners:
#   bash <(curl -s https://cdn.rso.bg/scripts/rsonetworkdiag.sh)
#   bash <(wget -qO- https://cdn.rso.bg/scripts/rsonetworkdiag.sh)
# Globals:
#   None
# Arguments:
#   None
#######################################
apt install -y dnsutils net-tools traceroute curl
declare -x netDiagVersion=1.3
printf "\n=== RSO Network Diag $netDiagVersion\n" 2>&1 | tee -a /tmp/netdiag.rso
declare -a cmdArray=("cat /proc/version; uname -r" "netstat -rn"  "iptables -L -v -n | more" "ip a" "ip neigh" "ip -br address show" "ss -tunlp4" "ss -tunlp6" "traceroute -4 1.1.1.1" "ping 1.1.1.1 -c 3")
for i in "${cmdArray[@]}"
do
  printf "\e[42m"
  printf "\n================================"
  printf "\n=== Output of: \e[30m$i\e[0m\e[42m"
  printf "\n================================"
  printf "\e[0m\n"
  echo "================================" >> /tmp/netdiag.rso
  echo "=== Output of: $i" >> /tmp/netdiag.rso
  echo "================================" >> /tmp/netdiag.rso
  eval $i 2>&1 | tee -a /tmp/netdiag.rso
done
unset cmdArray
unset netDiagVersion
while true; do
  read -p "Try to upload output to file.io (y/n)? " yn
  case $yn in
    [Yy]* ) curl -F "file=@/tmp/netdiag.rso" https://file.io/?expires=1w;rm /tmp/netdiag.rso;printf "\n"; break;;
    [Nn]* ) rm /tmp/netdiag.rso;printf "\n";break;;
    * ) echo "Please answer yes or no.";;
  esac
done