Thank you. This did in fact install with cpanm after your update, I thought it hadn't worked because repeating the install command re-installed it. A similar package to compare with might be Ack.

In other news, there is already an installed program called pl:

$ man pl

NAME
     pl – ASCII property list utility

SYNOPSIS
     pl [--input file] [--output file]

DESCRIPTION
     pl can be used to check the syntax of old-style ASCII property li
+st files.
     ...
[download]

I'm not sure what the best practice is for dealing with name clashes like this. Perhaps giving it a non-clashing name and leaving it up to the user to make a shorter alias ...