remov_unity_package.sh

#!/bin/sh

## Remove Unity package files from project directory.
## On windows with GIT installed, use GIT bash.
##
## Author: Paolo Montesel

if [ $# -ne 2 ]
then
  echo "Usage: ./script.sh unity.package projectDirectory"
	exit
fi

mkdir -p tmp
tar -zxvf $1 -C tmp > /dev/null
cat tmp/*/pathname | sed -e "s/A/\nA/" | grep / | sort | sed -e "s/^/$2/" | xargs rm
rm -rf tmp

Stupid script to remove files installed by a Unity package/plugin into your project's directory.
I guess "rm" should give errors when removing a directory so this script will leave empty directories in your Assets directory.