MikroTik-scripts-2/ssh-keys-import

#!rsc
# RouterOS script: ssh-keys-import
# Copyright (c) 2013-2019 Christian Hesse <mail@eworm.de>
#
# import ssh keys from file

# Split files with several keys from a shell...
# while read type key name; do echo $type $key $name > $name.pub; done < keys.pub
# ... then transfer with scp/sftp.

:foreach Key in=[ / file find where type="ssh key" ] do={ / user ssh-key import user=admin public-key-file=[ / file get $Key name ]; }