* And "mkdir" isntead of "Dir.mkdir" * And "Dir[]" instead of "Dir.glob" * Also style fixes and nitpicks
`bbcp` is a remote-copy tool that can transfer large files more efficiently than `scp` or `rsync` when lots of bandwidth is available. Closes Homebrew/homebrew#7214. Signed-off-by: Charlie Sharpsteen <source@sharpsteen.net>