BASH proxy

.bashrc

PROXYSRV=proxy.example.com:8080
NOPROXY="localhost,127.0.0.1,.example.com"

proxy () {
    case $1 in
        'on')
            echo -n "Enter passwd: "
            read -s PASSWD
            PROXY="http://${USER}:${PASSWD}@${PROXYSRV}"
	    export http_proxy="${PROXY}" https_proxy="${PROXY}" no_proxy="${NOPROXY}"
            VAGRANT_HTTP_PROXY=${PROXY}
            VAGRANT_HTTPS_PROXY=${PROXY}
            VAGRANT_FTP_PROXY=${PROXY}
            VAGRANT_NO_PROXY=${NOPROXY}
            export VAGRANT_HTTP_PROXY VAGRANT_HTTPS_PROXY VAGRANT_FTP_PROXY VAGRANT_NO_PROXY
            ;;
        'off')
            #unset HTTP_PROXY HTTPS_PROXY FTP_PROXY SOCKS_PROXY NO_PROXY
		unset http_proxy no_proxy VAGRANT_HTTP_PROXY VAGRANT_HTTPS_PROXY VAGRANT_FTP_PROXY VAGRANT_NO_PROXY
            ;;
        *)
            echo "Proxyerror - usage: proxy on|off"
            ;;
    esac
}