Use `rsync(1)`:
rsync \
--remove-source-files \
--chown=unicorn:unicorn \
/home/poney/folderfulloffiles /home/unicorn/
Use `rsync(1)`:
rsync \
--remove-source-files \
--chown=unicorn:unicorn \
/home/poney/folderfulloffiles /home/unicorn/