Owl is a command line program to download files from a remote server.
There are well build tools such as sftp, scp which provide same functionality as Owl, but this is how you learn new a programming language.
go get github.com/vikramcse/owl
owl:
A SFTP like clone written in go to download files from remote server Usage:
owl [option] user@remote:/path/to/the/file destination
Options:
-i path to private key file