asciinemaze

Creates "human-made-like" asciinema ascii-casts out of the provided regular text file as if we would type it!

extensions

The input file can use the following special characters:

1. ±: Line that contains prompt.
2. §: Output of commands.
3. &: Clears screen (if it is the only character in the line)
4. ~: Wait a few seconds (if it is the only character in the line)

useful commands

The following command adds the special character § in all lines that do not start with ± (display at once all non prompt lines).

sed -i '/^±/!s/^/§/' input.txt

You can also do it for lines that do not have on character only (i.e., skip "clear screen" or "wait a few second" characters).

sed -i '/^±/!s/^.\\{2,\\}/§/' input.txt

The following command adds the special character ± at the beginning of all lines that contain character $ (there is a prompt).

sed -i '/\$/s/^/±/' input.txt

Demo