* example use of ob-awk

Header Arguments
- cmd-line :: command line flags to pass to =awk=
- in-file :: the text file on which to run the resulting =awk= script

Currently only string results are returned directly from STDOUT.

Currently only external (i.e., non-session) evaluation is supported.

#+begin_src awk :in-file columns-of-numbers.txt
  {print $1}
#+end_src

#+results:
: 0
: 1
: 2
: 3
: 4
: 5
: 6
: 7
: 8