Turn a markdown file into a pdf:

1lowdown -stms "$FILE".md | pdfroff -itk -mspdf > "$FILE".pdf

Example: put this Makefile in a directory, rename it Makefile, then do:

1make example
2make

To give the document a title, put that title in the metadata:

1sed -i "1 i---" "$FILE".md
2sed -i …

The tree utility outputs a full listing of everything in your current directory, and those below.

• Just directories: tree -d
• Output colour to less: tree -C --info | less -re
• Ignore files in the .gitignore file: tree --gitignore

You can place information about the files in a directory to use with the tree --info …