DirHandle - (obsolete) supply object methods for directory handles
# recommended approach since Perl 5.6: do not use DirHandleif (opendir my $d, '.') { while (readdir $d) { something($_); } rewind $d; while (readdir $d) { something_else($_); }}# how you would use this module if you were going touse DirHandle;if (my $d = DirHandle->new(".")) { while (defined($_ = $d->read)) { something($_); } $d->rewind; while (defined($_ = $d->read)) { something_else($_); }}There is no reason to use this module nowadays.
TheDirHandle method provide an alternative interface to the opendir(), closedir(), readdir(), and rewinddir() functions.
Up to Perl 5.5, opendir() could not autovivify a directory handle fromundef, so using a lexical handle required using a function fromSymbol to create an anonymous glob, which took a separate step.DirHandle encapsulates this, which allowed cleaner code than opendir(). Since Perl 5.6, opendir() alone has been all you need for lexical handles.
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