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#
package IO::File;
use 5.008_001;
use strict;
use Carp;
use Symbol;
use SelectSaver;
use IO::Seekable;
require Exporter;
our @ISA = qw(IO::Handle IO::Seekable Exporter);
our $VERSION = "1.40";
our @EXPORT = @IO::Seekable::EXPORT;
eval {
# Make all Fcntl O_XXX constants available for importing
require Fcntl;
my @O = grep /^O_/, @Fcntl::EXPORT;
Fcntl->import(@O); # first we import what we want to export
push(@EXPORT, @O);
};
################################################
## Constructor
##
sub new {
my $type = shift;
my $class = ref($type) || $type || "IO::File";
@_ >= 0 && @_ <= 3
or croak "usage: $class->new([FILENAME [,MODE [,PERMS]]])";
my $fh = $class->SUPER::new();
if (@_) {
$fh->open(@_)
or return undef;
}
$fh;
}
################################################
## Open
##
sub open {
@_ >= 2 && @_ <= 4 or croak 'usage: $fh->open(FILENAME [,MODE [,PERMS]])';
my ($fh, $file) = @_;
if (@_ > 2) {
my ($mode, $perms) = @_[2, 3];
if ($mode =~ /^\d+$/) {
defined $perms or $perms = 0666;
return sysopen($fh, $file, $mode, $perms);
} elsif ($mode =~ /:/) {
return open($fh, $mode, $file) if @_ == 3;
croak 'usage: $fh->open(FILENAME, IOLAYERS)';
} else {
return open($fh, IO::Handle::_open_mode_string($mode), $file);
}
}
open($fh, $file);
}
################################################
## Binmode
##
sub binmode {
( @_ == 1 or @_ == 2 ) or croak 'usage $fh->binmode([LAYER])';
my($fh, $layer) = @_;
return binmode $$fh unless $layer;
return binmode $$fh, $layer;
}
1;