#!/bin/bash
for F in /etc/subuid  /etc/subgid ; do
  echo -e "\nSystem configuration: ${F}"
  egrep -v '^#|^$' "${F}"
  echo ""
done

SC="/etc/lxc/default.conf"
echo -e "\nSystem Container default configuration: ${SC}"
egrep -v '^#|^$' "${SC}"
echo ""

DC="${HOME}/.config/lxc/default.conf"
if [ -r "${DC}" ]; then
  echo -e "\nUser Container default configuration: $DC"
  egrep -v '^#|^$' "${DC}"
  echo ""
fi
if [ $# -eq 1 ]; then
  CC="${HOME}/.local/share/lxc/$1/config"
  if [ -r "${CC}" ]; then
    echo -e "\nContainer derived configuration: $CC"
    egrep -v '^#|^$' "${CC}"
    echo ""
  fi
fi