The tool can (for example) mirror a media folder to a staging or developer server from the current live, over standard http requests, when scp is way too slow, creating tarball is not an option because of space requirements, VPN makes it hard to run tar | tar or rsync.
source$ cd ~/web/media
source$ find . -type f | grep -v '.thumb' | grep -v product/cache | sed 's#^./##' > ~/media.txtscp media.txt onto the target server with a gwget binary
target$ cd ~/web/media
target$ ~/gwget ~/media.txt https://www.somesite.com/media/