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Index of /FSS-OZR/root/sys/dev/char/10:231/subsystem/device-mapper/power
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&=LV[( ' # Copyright (C) 2001-2020 Free Software Foundation, Inc.
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2, or (at your option)
# any later version.
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
# You should have received a copy of the GNU General Public License
# along with this program. If not, see .
# Written by Akim Demaille .
###############################################################
# The main copy of this file is in Automake's git repository. #
# Updates should be sent to automake-patches@gnu.org. #
###############################################################
package Automake::XFile;
=head1 NAME
Automake::XFile - supply object methods for filehandles with error handling
=head1 SYNOPSIS
use Automake::XFile;
$fh = new Automake::XFile;
$fh->open ("file", "<");
# No need to check $FH: we died if open failed.
print <$fh>;
$fh->close;
# No need to check the return value of close: we died if it failed.
$fh = new Automake::XFile "file", ">";
# No need to check $FH: we died if new failed.
print $fh "bar\n";
$fh->close;
$fh = new Automake::XFile "file", "r";
# No need to check $FH: we died if new failed.
defined $fh
print <$fh>;
undef $fh; # automatically closes the file and checks for errors.
$fh = new Automake::XFile "file", O_WRONLY | O_APPEND;
# No need to check $FH: we died if new failed.
print $fh "corge\n";
$pos = $fh->getpos;
$fh->setpos ($pos);
undef $fh; # automatically closes the file and checks for errors.
autoflush STDOUT 1;
=head1 DESCRIPTION
C inherits from C. It provides the method
C returning the file name. It provides dying versions of the
methods C, C (corresponding to C), C,
C, C