1#!/bin/sh
2# Verify that tail works even when it's reading from a file
3# that is not at its beginning.  Based on a report from John Roll.
4
5# Copyright (C) 2001-2023 Free Software Foundation, Inc.
6
7# This program is free software: you can redistribute it and/or modify
8# it under the terms of the GNU General Public License as published by
9# the Free Software Foundation, either version 3 of the License, or
10# (at your option) any later version.
11
12# This program is distributed in the hope that it will be useful,
13# but WITHOUT ANY WARRANTY; without even the implied warranty of
14# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
15# GNU General Public License for more details.
16
17# You should have received a copy of the GNU General Public License
18# along with this program.  If not, see <https://www.gnu.org/licenses/>.
19
20. "${srcdir=.}/tests/init.sh"; path_prepend_ ./src
21print_ver_ tail
22
23(echo 1; echo 2) > k || framework_failure_
24
25
26sh -c 'read x; tail' < k > out || fail=1
27cat <<EOF > exp
282
29EOF
30
31compare exp out || fail=1
32
33Exit $fail
34