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#!/bin/sh
# ensure that :|tail -f doesn't hang, per POSIX
# Copyright (C) 2009-2017 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/>.
. "${srcdir=.}/tests/init.sh"; path_prepend_ ./src
print_ver_ tail
echo oo > exp || framework_failure_
echo foo | timeout 10 tail -f -c3 > out || fail=1
compare exp out || fail=1
cat <<\EOF > exp || framework_failure_
==> standard input <==
ar
EOF
echo bar | returns_ 1 timeout 10 tail -f -c3 - missing > out || fail=1
compare exp out || fail=1
Exit $fail
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