sub Recurse
{
  my ($PWD) = @_;

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This makes $PWD exist only during this call to this block. Recurrent calls will create new versions of $PWD.

The parenthesis make a list, and $PWD is the first value. This list gets aliased to the values in the @_ list, such that $PWD = $_[0].

In reply to Re: Re: Re: Directory recursion on win32 by fglock
in thread Directory recursion on win32 by fourmi

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