Create demo gifs using asciinema

Create demo gifs using asciinema

Example gif:

Setup

sudo apt-add-repository ppa:zanchey/asciinema
sudo apt-get update
sudo apt-get install asciinema
npm install --global asciicast2gif
sudo apt-get install imagemagick
sudo apt install gifsicle

Record

Start

asciinema rec demo.cast

type commands to record

End

<Ctrl-D>

Edit

Use your favorite editor to modify demo.cast as required
Remove the <Ctrl-D> line

Convert

asciicast2gif demo.cast demo.gif