#+begin_src sh :tangle yes :noweb yes :shebang #!/bin/sh
  <<fullest-disk>>
#+end_src

* the mount point of the fullest disk
  :PROPERTIES:
  :noweb-ref: fullest-disk
  :END:

** query all mounted disks
#+begin_src sh
  df \
#+end_src

** strip the header row
#+begin_src sh
  |sed '1d' \
#+end_src

** sort by the percent full
#+begin_src sh
  |awk '{print $5 " " $6}'|sort -n |tail -1 \
#+end_src

** extract the mount point
#+begin_src sh
  |awk '{print $2}'
#+end_src