systemd environment var composed of vars

[Leon Fauster via CentOS <centos@xxxxxxxxxx>]

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





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