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ExtUtils	[ DIR ]	drwxr-xr-x	2019-05-31 11:39
File	[ DIR ]	drwxr-xr-x	2019-05-31 11:39
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Benchmark.pm	30.3 KB	-r--r--r--	2019-05-31 11:39
CORE.pod	3.11 KB	-r--r--r--	2019-05-31 11:39
CPAN.pm	138.65 KB	-r--r--r--	2019-05-31 11:39
Carp.pm	35.12 KB	-r--r--r--	2019-05-31 11:39
DB.pm	18.48 KB	-r--r--r--	2019-05-31 11:39
DBM_Filter.pm	14.05 KB	-r--r--r--	2019-05-31 11:39
Digest.pm	10.45 KB	-r--r--r--	2019-05-31 11:39
DirHandle.pm	2.04 KB	-r--r--r--	2019-05-31 11:39
Dumpvalue.pm	17.14 KB	-r--r--r--	2019-05-31 11:39
English.pm	4.65 KB	-r--r--r--	2019-05-31 11:39
Env.pm	5.39 KB	-r--r--r--	2019-05-31 11:39
Exporter.pm	18.36 KB	-r--r--r--	2019-05-31 11:39
Fatal.pm	56.81 KB	-r--r--r--	2019-05-31 11:39
FileCache.pm	5.42 KB	-r--r--r--	2019-05-31 11:39
FileHandle.pm	6.63 KB	-r--r--r--	2019-05-31 11:39
FindBin.pm	4.45 KB	-r--r--r--	2019-05-31 11:39
Internals.pod	2.51 KB	-r--r--r--	2019-05-31 11:39
Memoize.pm	35.34 KB	-r--r--r--	2019-05-31 11:39
NEXT.pm	18.54 KB	-r--r--r--	2019-05-31 11:39
PerlIO.pm	10.21 KB	-r--r--r--	2019-05-31 11:39
Safe.pm	24.49 KB	-r--r--r--	2019-05-31 11:39
SelectSaver.pm	1.05 KB	-r--r--r--	2019-05-31 11:39
SelfLoader.pm	17.27 KB	-r--r--r--	2019-05-31 11:39
Symbol.pm	4.69 KB	-r--r--r--	2019-05-31 11:39
Test.pm	29.34 KB	-r--r--r--	2019-05-31 11:39
Test2.pm	6.24 KB	-r--r--r--	2019-05-31 11:39
Thread.pm	8.09 KB	-r--r--r--	2019-05-31 11:39
UNIVERSAL.pm	6.44 KB	-r--r--r--	2019-05-31 11:39
XSLoader.pm	10.99 KB	-r--r--r--	2019-05-31 11:39
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autodie.pm	12.58 KB	-r--r--r--	2019-05-31 11:39
autouse.pm	4.14 KB	-r--r--r--	2019-05-31 11:39
base.pm	10.7 KB	-r--r--r--	2019-05-31 11:39
bigint.pm	22.85 KB	-r--r--r--	2019-05-31 11:39
bignum.pm	20.64 KB	-r--r--r--	2019-05-31 11:39
bigrat.pm	15.78 KB	-r--r--r--	2019-05-31 11:39
blib.pm	2.01 KB	-r--r--r--	2019-05-31 11:39
bytes.pm	3.65 KB	-r--r--r--	2019-05-31 11:39
bytes_heavy.pl	758 B	-r--r--r--	2019-05-31 11:39
charnames.pm	20.38 KB	-r--r--r--	2019-05-31 11:39
constant.pm	14.38 KB	-r--r--r--	2019-05-31 11:39
deprecate.pm	4.5 KB	-r--r--r--	2019-05-31 11:39
diagnostics.pm	18.59 KB	-r--r--r--	2019-05-31 11:39
dumpvar.pl	15.19 KB	-r--r--r--	2019-05-31 11:39
experimental.pm	6.9 KB	-r--r--r--	2019-05-31 11:39
feature.pm	17.28 KB	-r--r--r--	2019-05-31 11:39
fields.pm	9.25 KB	-r--r--r--	2019-05-31 11:39
filetest.pm	3.91 KB	-r--r--r--	2019-05-31 11:39
if.pm	3.53 KB	-r--r--r--	2019-05-31 11:39
integer.pm	3.18 KB	-r--r--r--	2019-05-31 11:39
less.pm	3.13 KB	-r--r--r--	2019-05-31 11:39
locale.pm	4.74 KB	-r--r--r--	2019-05-31 11:39
meta_notation.pm	2.07 KB	-r--r--r--	2019-05-31 11:39
ok.pm	967 B	-r--r--r--	2019-05-31 11:39
open.pm	7.83 KB	-r--r--r--	2019-05-31 11:39
overload.pm	52.04 KB	-r--r--r--	2019-05-31 11:39
overloading.pm	1.77 KB	-r--r--r--	2019-05-31 11:39
parent.pm	2.51 KB	-r--r--r--	2019-05-31 11:39
perl5db.pl	309.68 KB	-r--r--r--	2019-05-31 11:39
perlfaq.pm	77 B	-r--r--r--	2019-05-31 11:39
sigtrap.pm	8.53 KB	-r--r--r--	2019-05-31 11:39
sort.pm	3.82 KB	-r--r--r--	2019-05-31 11:39
strict.pm	4.63 KB	-r--r--r--	2019-05-31 11:39
subs.pm	901 B	-r--r--r--	2019-05-31 11:39
utf8.pm	10.18 KB	-r--r--r--	2019-05-31 11:39
utf8_heavy.pl	26.66 KB	-r--r--r--	2019-05-31 11:39
vars.pm	2.4 KB	-r--r--r--	2019-05-31 11:39
version.pm	1.93 KB	-r--r--r--	2019-05-31 11:39
version.pod	9.6 KB	-r--r--r--	2019-05-31 11:39
vmsish.pm	4.21 KB	-r--r--r--	2019-05-31 11:39
warnings.pm	48.82 KB	-r--r--r--	2019-05-31 11:39

Rename

package DirHandle;

our $VERSION = '1.05';

=head1 NAME

DirHandle - (obsolete) supply object methods for directory handles

=head1 SYNOPSIS

# recommended approach since Perl 5.6: do not use DirHandle
    if (opendir my $d, '.') {
        while (readdir $d) { something($_); }
        rewind $d;
        while (readdir $d) { something_else($_); }
    }

# how you would use this module if you were going to
    use DirHandle;
    if (my $d = DirHandle->new(".")) {
        while (defined($_ = $d->read)) { something($_); }
        $d->rewind;
        while (defined($_ = $d->read)) { something_else($_); }
    }

=head1 DESCRIPTION

B<There is no reason to use this module nowadays.>

The C<DirHandle> 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 from
C<undef>, so using a lexical handle required using a function from L<Symbol>
to create an anonymous glob, which took a separate step.
C<DirHandle> encapsulates this, which allowed cleaner code than opendir().
Since Perl 5.6, opendir() alone has been all you need for lexical handles.

=cut

require 5.000;
use Carp;
use Symbol;

sub new {
    @_ >= 1 && @_ <= 2 or croak 'usage: DirHandle->new( [DIRNAME] )';
    my $class = shift;
    my $dh = gensym;
    if (@_) {
	DirHandle::open($dh, $_[0])
	    or return undef;
    }
    bless $dh, $class;
}

sub DESTROY {
    my ($dh) = @_;
    # Don't warn about already being closed as it may have been closed 
    # correctly, or maybe never opened at all.
    local($., $@, $!, $^E, $?);
    no warnings 'io';
    closedir($dh);
}

sub open {
    @_ == 2 or croak 'usage: $dh->open(DIRNAME)';
    my ($dh, $dirname) = @_;
    opendir($dh, $dirname);
}

sub close {
    @_ == 1 or croak 'usage: $dh->close()';
    my ($dh) = @_;
    closedir($dh);
}

sub read {
    @_ == 1 or croak 'usage: $dh->read()';
    my ($dh) = @_;
    readdir($dh);
}

sub rewind {
    @_ == 1 or croak 'usage: $dh->rewind()';
    my ($dh) = @_;
    rewinddir($dh);
}