[CentOS] systemd environment var composed of vars

Is it somehow possible to use composed ENV vars in a systemd unit file? Simple example, env file has ADDRESS=foo PORT=bar LISTEN=${ADDRESS}:${PORT} putting ${ADDRESS}:${PORT} directly in the unit file works, $LISTEN not. Does systemd supports such var substitution? -- Leon __

Re: [CentOS] systemd environment var composed of vars

Am 06.07.20 um 17:25 schrieb Leon Fauster: Is it somehow possible to use composed ENV vars in a systemd unit file? Simple example, env file has ADDRESS=foo PORT=bar LISTEN=${ADDRESS}:${PORT} putting ${ADDRESS}:${PORT} directly in the unit file works, $LISTEN not. Does systemd supports such va