VHS

Sometimes, A picture is worth a thousand words. VHS is the perfect tool to explain in animated image how to use command line tools

VHS in pictures

VHS is a substantially identical tool at asciinema. Nevertheless VHS uses an approach declarative (via the creation of a .tape file). It allows you to automate the execution of a scenario composed of a series of commands to be executed, to then record the results of the actions in the form of videos in different formats (webm, mp4, gif), which can be particularly useful for documentation or knowledge sharing.

Starting from this demo-vhs.tape file

Output demo-vhs.gif

Require nix

Set TypingSpeed 75ms
Set FontSize 18
Set Width 800
Set Height 680

Type "# Install the needed packages" Sleep 500ms Enter Enter Sleep 2s

Type "nix-shell -p dotacat neofetch"

Type "neofetch" Sleep 500ms Enter Sleep 2s

Type "dotacat --help | dotacat" Sleep 500ms Enter

Sleep 5s

We obtain the result below with the following command vhs demo-vhs.tape