E.g., passing the following input.some_fileextension file to the processor should evaluate the tree command and put the results there
bla bla bla
$ tree dir
bla bla blah
Is this a task for pandoc? M4? Something else? I want something close to Jupyter notebooks without needing that _entire_ framework at hand.
Or is there some lispy type of thing that I can use?
while read line ; do
case "$line" in
\$*) `$line`
*) echo $line
;;
esac
done