To resume copying file over ssh connection.

rsync --partial --progress --rsh=ssh user@host:remote_file local_file

rsync -v --partial --progress --rsh="ssh -v -p 19709 -i /Users/someuser/.ssh/id_dsa" [email protected]:/var/somefile.gz somefile.gz

#this one copies the folder trip-banners and uses size only to figure out which files to copy
rsync --stats --verbose --links --recursive --size-only --rsh=ssh [email protected]:/tmp/trip-banners/* trip-banners/

#to see what would be copied
cd /home/bob
rsync --verbose --checksum --links --relative --recursive somedir /home2/bob/ --dry-run

#remove dry run to copy
rsync --verbose --checksum --links --relative --recursive somedir /home2/bob/