netdev - Output only currently active local IP addresses

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Date:   Tue, 31 Mar 2020 15:32:19 +0300
From:   Vaidas BoQsc <vaidas.boqsc@...il.com>
To:     netdev@...r.kernel.org
Subject: Output only currently active local IP addresses

I would like to know the correct robust way to obtain/get local IPv4
addresses of all active currently network interfaces.

I tried a command: ip --brief address
however it provides a lot of unecessary information: interface name,
status of UP/Down and lots of other additional information and
formatting, when all I need is only literal ip addresses as an output.

I couldn't find a way to get such output without using parsing tools
and piping. Is it true that ip command does not have a way to display
currently active ip addresses as a simple list without any formatting
and without inactive interfaces' information and pseudo interfaces
like ip address of localhost?