Useful shell function to load .env files in the terminal session

README.md

Load environment variables using .env files

You can add the following functions for your shell, loadenv will search for .env file if found will export all to the shell session with unloadenv will unset the variables so you can start again, reloadenv will reread the .env file.

function loadenv {
    test -f .env || echo "No .env file in the working directory"
    oldenv=$(env|sort)
    export $(grep -v '^#' .env | xargs -d '\n')
    diff <(echo "$oldenv") <(env | sort)
}

function unloadenv {
    test -f .env || echo "No .env file in the working directory"
    oldenv=$(env|sort)
    unset $(grep -v '^#' .env | sed -E 's/(.*)=.*/\1/' | xargs -d '\n')
    diff <(echo "$oldenv") <(env | sort)
}

function reloadenv {
  unloadenv
  loadenv
}