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#!/usr/bin/perl
# Test dd's skip and seek options.
# Copyright (C) 2000-2012 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 3 of the License, 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 <http://www.gnu.org/licenses/>.
use strict;
(my $program_name = $0) =~ s|.*/||;
# Turn off localization of executable's output.
@ENV{qw(LANGUAGE LANG LC_ALL)} = ('C') x 3;
my $out = 'out';
my @Tests =
(
[
'sk-seek1',
qw (bs=1 skip=1 seek=2 conv=notrunc count=3 status=noxfer of=@AUX@ < ),
{IN=> '0123456789abcdef'},
{AUX=> 'zyxwvutsrqponmlkji'},
{OUT=> ''},
{ERR=> "3+0 records in\n3+0 records out\n"},
{CMP=> ['zy123utsrqponmlkji', {'@AUX@'=> undef}]},
],
[
'sk-seek2',
qw (bs=5 skip=1 seek=1 conv=notrunc count=1 status=noxfer of=@AUX@ < ),
{IN=> '0123456789abcdef'},
{AUX=> 'zyxwvutsrqponmlkji'},
{OUT=> ''},
{ERR=> "1+0 records in\n1+0 records out\n"},
{CMP=> ['zyxwv56789ponmlkji', {'@AUX@'=> undef}]},
],
[
'sk-seek3',
qw (bs=5 skip=1 seek=1 count=1 status=noxfer of=@AUX@ < ),
{IN=> '0123456789abcdef'},
{AUX=> 'zyxwvutsrqponmlkji'},
{OUT=> ''},
{ERR=> "1+0 records in\n1+0 records out\n"},
{CMP=> ['zyxwv56789', {'@AUX@'=> undef}]},
],
[
# Before fileutils-4.0.45, the last 10 bytes of output
# were these "\0\0\0\0\0\0\0\0 ".
'block-sync-1', qw(ibs=10 cbs=10 status=noxfer), 'conv=block,sync', '<',
{IN=> "01234567\nabcdefghijkl\n"},
{OUT=> "01234567 abcdefghij "},
{ERR=> "2+1 records in\n0+1 records out\n1 truncated record\n"},
],
[
# Before coreutils-5.93, this would output just "c\n".
'sk-seek4', qw(bs=1 skip=1 status=noxfer),
{IN_PIPE=> "abc\n"},
{OUT=> "bc\n"},
{ERR=> "3+0 records in\n3+0 records out\n"},
],
);
my $save_temps = $ENV{DEBUG};
my $verbose = $ENV{VERBOSE};
my $prog = 'dd';
my $fail = run_tests ($program_name, $prog, \@Tests, $save_temps, $verbose);
exit $fail;
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