Enable conda, add it to the path, optionally activate an environment and remove other packages from PYTHONPATH or vice-versa

condapath

#! /bin/bash

if [ "$CONDA" == true ] ; then
	
	if ! [ -z $CONDA_DEFAULT_ENV ] && ! [ "$CONDA_DEFAULT_ENV" == "root" ]  ; then
		echo "Deactivating ${CONDA_DEFAULT_ENV} first"
		source deactivate
	fi
	export PATH=$NOCONDA_PATH

	export PYTHONPATH=$ROS_PYTHON:$PYTHONPATH
	export CONDA=false
	echo -e "\e[38;5;82mConda down! \e[0m"
	
else
	
	export NOCONDA_PATH=$PATH
	export PATH=/opt/anaconda3/bin:$PATH
	export CONDA=true
	echo -e "\e[38;5;82mSnakes on the plane! \e[0m"
	
	if [ -z $2 ]; then
	
	export ROS_PYTHON_PKGS=$PYTHONPATH
	unset PYTHONPATH
	
	fi

	if ! [ -z $1 ]; then
		echo "activating ${1}"
		source activate $1
	fi

fi