Some short helper bash functions to load, set and unset environment variables from .env.* files

load-env.sh

#!/usr/bin/env bash

#
# Load / Unset env vars from file
#
function get_env_file() {
    local env=$1
    local envfile=$([ -z "$env" ] && echo ".env" || echo ".env.${env}")
    echo $envfile
}

function load_envfile() {
    local env=$1
    local envfile=$(get_env_file $env)
    if [ ! -f $envfile ]; then
        echo "File ${envfile} does not exist"
        kill -INT $$
    fi
    echo "Loading env vars from ${envfile}"
    echo "--------------------------------------"
    cat ${envfile}
    export $(grep -v '^#' ${envfile} | xargs)
}

function unset_envfile() {
    local env=$1
    local envfile=$(get_env_file $env)
    if [ ! -f $envfile ]; then
        echo "File ${envfile} does not exist"
        kill -INT $$
    fi
    echo "Unsetting env vars from ${envfile}"
    unset $(grep -v '^#' ${envfile} | sed -E 's/(.*)=.*/\1/' | xargs)
}