ROSx Environment variables fetch script for IDE Build configuration

get_env.sh

#!/bin/bash

# Prints all ROS specific environment variables used for building the package. Intended to be used for configuring IDE
# environment variables.
#
# Tested with ROS Noetic, ROS Melodic and ROS2 Foxy
#
# @author: Ashwin A Nayar

read -rd '' ROS2_VARS << EOL
AMENT_PREFIX_PATH
PYTHONPATH
ROS_VERSION
ROS_DISTRO
ROS_PYTHON_VERSION
ROS_LOCALHOST_ONLY
LD_LIBRARY_PATH
PATH
EOL

read -rd '' ROS1_VARS << EOL
CMAKE_PREFIX_PATH
PYTHONPATH
ROS_VERSION
ROS_DISTRO
ROS_PYTHON_VERSION
ROS_PACKAGE_PATH
ROSLISP_PACKAGE_DIRECTORIES
ROS_ETC_DIR
ROS_MASTER_URI
ROS_ROOT
LD_LIBRARY_PATH
PATH
EOL

env_string=""

# Change to ROS2_VARS for ROS2
for e in $ROS1_VARS; do
    env_string+="$e=${!e};"
done

echo "$env_string"