#!/usr/bin/env bash function show() { echo echo "HTTP_PROXY=$HTTP_PROXY" echo "HTTPS_PROXY=$HTTPS_PROXY" echo } function main() { if [[ $1 == "on" ]]; then DIR="$(dirname "${BASH_SOURCE[0]}")" source $DIR/_set_proxy elif [[ $1 == "off" ]]; then unset HTTP_PROXY unset HTTPS_PROXY fi show } main $@