DirHandle - supply object methods for directory handles
SYNOPSIS
use DirHandle;
$d = new DirHandle ".";
if (defined $d) {
while (defined($_ = $d->read)) { something($_); }
$d->rewind;
while (defined($_ = $d->read)) { something_else($_); }
undef $d;
}
DESCRIPTION
The `DirHandle' method provide an alternative interface to
the opendir(), closedir(), readdir(), and rewinddir()
functions.
The only objective benefit to using `DirHandle' is that it
avoids namespace pollution by creating globs to hold
directory handles.
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