shelr backend ttyrecIf you don't have ttyrec, install it with brew:brew install ttyrecAlso put the scriptreplay script somewhere in your PATH, e.g. /usr/local/bin
curl https://raw.github.com/gist/2343833/0287752171cb045205e88664a32f63bf3a45565f/scriptreplay > /usr/local/bin/scriptreplay
chmod +x /usr/local/bin/scriptreplay