rwxrwxrwx

The command is equivalent to the more verbose:

  plot 'data.dat' using 1:3 with points pointtype 7 linecolor 3 title 'Interesting measurements'

Stop moving the goalposts: your answer to a commenter who stated that Common Lisp was faster than Python (a fact) was a list of packages, many of which are (1) not even written in Python and (2) some of them actually do have Common Lisp bindings.

For the sake of anyone reading this thread who isn't in the know: many of these libraries are really written in C/C++ and have Python bindings.

Too real.

Communications of the ACM, September 1991 (Vol. 34, No. 9)

The Apache HTTP Server and the GNU Scientific Library come to mind.

One possible way could be extracting the product type marking codes / marking information from a large collection of data sheets.