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Filesys.pm
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Filesys.pm
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package IO::All::Filesys;
use strict;
use warnings;
use IO::All::Base -base;
use Fcntl qw(:flock);
sub absolute {
my $self = shift;
$self->pathname(File::Spec->rel2abs($self->pathname))
unless $self->is_absolute;
$self->is_absolute(1);
return $self;
}
sub exists { my $self = shift; -e $self->name }
sub filename {
my $self = shift;
my $filename;
(undef, undef, $filename) = $self->splitpath;
return $filename;
}
sub is_absolute {
my $self = shift;
return *$self->{is_absolute} = shift if @_;
return *$self->{is_absolute}
if defined *$self->{is_absolute};
*$self->{is_absolute} = IO::All::is_absolute($self) ? 1 : 0;
}
sub is_executable { my $self = shift; -x $self->name }
sub is_readable { my $self = shift; -r $self->name }
sub is_writable { my $self = shift; -w $self->name }
{
no warnings 'once';
*is_writeable = \&is_writable;
}
sub pathname {
my $self = shift;
return *$self->{pathname} = shift if @_;
return *$self->{pathname} if defined *$self->{pathname};
return $self->name;
}
sub relative {
my $self = shift;
$self->pathname(File::Spec->abs2rel($self->pathname))
if $self->is_absolute;
$self->is_absolute(0);
return $self;
}
sub rename {
my $self = shift;
my $new = shift;
rename($self->name, "$new")
? UNIVERSAL::isa($new, 'IO::All')
? $new
: $self->constructor->($new)
: undef;
}
sub set_lock {
my $self = shift;
return unless $self->_lock;
my $io_handle = $self->io_handle;
my $flag = $self->mode =~ /^>>?$/
? LOCK_EX
: LOCK_SH;
flock $io_handle, $flag;
}
sub stat {
my $self = shift;
return IO::All::stat($self, @_)
if $self->is_open;
CORE::stat($self->pathname);
}
sub touch {
my $self = shift;
$self->utime;
}
sub unlock {
my $self = shift;
flock $self->io_handle, LOCK_UN
if $self->_lock;
}
sub utime {
my $self = shift;
my $atime = shift;
my $mtime = shift;
$atime = time unless defined $atime;
$mtime = $atime unless defined $mtime;
utime($atime, $mtime, $self->name);
return $self;
}
=encoding utf8
=head1 NAME
IO::All::Filesys - File System Methods Mixin for IO::All
=head1 SYNOPSIS
See L<IO::All>.
=head1 DESCRIPTION
=head1 AUTHOR
Ingy döt Net <ingy@cpan.org>
=head1 COPYRIGHT
Copyright (c) 2004. Brian Ingerson.
Copyright (c) 2006, 2008. Ingy döt Net.
This program is free software; you can redistribute it and/or modify it
under the same terms as Perl itself.
See http://www.perl.com/perl/misc/Artistic.html
=cut