DirHandle(3)

NNAAMMEE
       DirHandle - supply object methods for directory handles

SSYYNNOOPPSSIISS
           use DirHandle;
           $d = new DirHandle ".";
           if (defined $d) {
               while (defined($_ = $d->read)) { something($_); }
               $d->rewind;
               while (defined($_ = $d->read)) { something_else($_); }
               undef $d;
           }

DDEESSCCRRIIPPTTIIOONN
       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.