clonegroups.sh

#!/usr/bin/env bash

# A quick and dirty script to add one users groups to another
# Tested on Ubuntu 16.04

if [[ -z "$1" || -z "$2" ]]; then
  echo "USAGE:"
  echo "    ./clonegroups.sh <source_user> <dest_user>"
  exit 0;
fi

SOURCE_USER="$1"
DEST_USER="$2"

for i in `groups $SOURCE_USER` ; do
  if [[ "$SOURCE_USER" != "$i" ]] && [[ "$i" != ":" ]] ; then
    addgroup $DEST_USER $i
  fi
done