Added tools/act_pyicon_py39.sh to activate new python 3.9 environment.

tools/act_pyicon_py39.sh

+#!/bin/bash
+
+t1=`date +%Y-%m-%d_%H-%M-%S`
+
+# --- conda env settings
+# script to working conda environment
+path_conda_bin="/home/mpim/m300602/miniconda3/bin/"
+# name of working conda environment
+conda_env="/work/mh0033/m300602/miniconda3/envs/pyicon_py39"
+
+# --- add pyicon to PYTHONPATH
+PYICON_PATH="$( cd "$( dirname "${BASH_SOURCE[0]}" )/.." >/dev/null 2>&1 && pwd )"  #problem: takes directory of source script as base
+#PYICON_PATH="$( cd "$(pwd)/.." >/dev/null 2>&1 && pwd )"  # problem: takes directory as base from where this script is called
+export PYTHONPATH="${PYICON_PATH}"
+# use this if you have a harmless PYTHONPATH which you want to keep
+#export PYTHONPATH="${PYICON_PATH}:${PYTHONPATH}"
+echo "PYTHONPATH was modified to:" 
+echo "${PYTHONPATH}"
+echo ""
+
+# --- activate conda environment
+echo "Activate conda environment by:"
+echo "${path_conda_bin}/activate ${conda_env}"
+source ${path_conda_bin}/activate ${conda_env}
+echo ""
+
+# --- print some information
+conda_path=`which conda`
+echo "Active conda:"
+echo "${conda_path}"
+python_path=`which python`
+echo "Active python:"
+echo "${python_path}"
+
+t2=`date +%Y-%m-%d_%H-%M-%S`
+
+echo "All done!"
+echo "Start ${t1}"
+echo "End   ${t2}"