You can get a plain text log of a recorded session in several ways.

If you uploaded to asciinema server (e.g. asciinema.org) then you can click on Download and select txt format.

Or, with the CLI 3.0, you can either:

- convert existing cast file to plain text: asciinema convert demo.cast demo.txt

- record directly to plain text: asciinema rec demo.txt

ok, but can you take a recording and turn it into a text document showing what to run, what output to expect and so on.

IE: I think the person your replying to would like to have a tool that rebuilds a terminal session as a, for example, step by step guide. Not just grab it as a text file.