Demonstrate the use of third party library dependency in a single-file D program that can be run as a Script.

program.d

#!/usr/bin/env dub
/+ dub.sdl:
    name "allthepythons"
    dependency "d-glob" version="~>0.3.0"
+/

/** 
Demonstrate the use of third party library dependency in a single-file D program
that can be run as a Script.

The script can be converted into an executable by:

    dub build --single allthepythons.d
*/

import std.stdio : stdout;
import glob : glob;

void main () {
  foreach (entry ; glob("/usr/local/bin/python*")) {
    stdout.writefln("%s", entry);
  }
}