DirHandle - supply object methods for directory handles
use DirHandle;
$d = DirHandle->new(".");
if (defined $d) {
while (defined($_ = $d->read)) { something($_); }
$d->rewind;
while (defined($_ = $d->read)) { something_else($_); }
undef $d;
}
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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