Svgbob can create a nice graphical representation of your text diagrams.
Svgbob provides a cli which takes text as an input and creates an svg image as an output.
# To try svgbob without installation run via Docker
docker build -t svgbob:local .
docker run --rm svgbob:local svgbob_cli -s "
.-------------------.
| Hello svgbob ! |
'-------------------'
.-. .-. .-. .-. .-. .-.
| | | | | | | | | | | |
.---------. .--+---+--. .--+---+--. .--| |--. .--+ +--. .------|--.
| | | | | | | | | | | | | | | | | |
'---------' '--+---+--' '--+---+--' '--| |--' '--+ +--' '--|------'
| | | | | | | | | | | |
'-' '-' '-' '-' '-' '-'
" > ./example.svg