On DOS, this:

A:\> WIBBLE/BOING

is equivalent to:

A:\> WIBBLE /BOING

that is to say, even with no space in between them, it finds and executes the WIBBLE program, passing it the /BOING argument.

It's only reasonable that perl's system(SCALAR) should do the same. But it's not reasonable that system(LIST) should. And yet it does. This:

system(qw(wibble/boing foo bar))

which …

Sub::WrapPackages 2.0 is a fairly substantial rewrite from the previous version, and may introduce some minor incompatibilities. But what you get in exchange makes it worth it.

• The code is now marginally less batshit-insane;
• It uses Devel::Caller::IgnoreNamespaces, which I factored out of Hook::LexWrap, so caller() works;
• It is better tested;
• It protects its magic @INC subroutine from 'use lib'