asciigifs

asciigifs

#!/usr/bin/env bash
# Convert your asciinema cast into a gif

# https://github.com/asciinema/asciicast2gif#docker-image
# https://brunswyck.blog/2017/05/17/record-your-bash-shell-and-upload-as-a-gif-file/

# usage: in directory containing .cast file and this script: ./asciigifs <file name without .cast extension>

command -v docker >/dev/null 2>&1 || (echo "docker must be installed" && exit 1)

main() {
    fname="$1"
    if [ -f "$fname.cast" ]; then
        ispulled=$(docker image ls asciinema/asciicast2gif --format "{{.Repository}}")
        [ -z "$ispulled" ] && docker pull asciinema/asciicast2gif
        echo "creating '$fname.gif' from '$fname.cast'"
        docker run --rm --network host -v "$(pwd)":/data asciinema/asciicast2gif -t asciinema -s 2 "$fname.cast" "$fname.gif"
    else
        echo "can't find file '$fname.cast' in this directory" && exit 1
    fi
}

main "$@"