figure out python version

python-version-check.sh

#!/bin/bash
# basic launcher

set -e
set -u

python_path="$(which python)"
#python_path="/usr/bin/python"

# figure out python version (might be useful in the future)
python_version=$($python_path --version 2>&1) 
python_2_str="^Python 2"
python_3_str="^Python 3"

if [[ $python_version =~ $python_3_str ]]; then
  echo "Python 3 found!"
elif [[ $python_version =~ $python_2_str ]];then
  echo "Python 2 found!"
else
  echo "Unknown version of Python found, please set \$python_path"
fi