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#!/bin/sh
# inotify-based tail -f didn't flush its initial output before blocking
# Copyright (C) 2009 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/>.
if test "$VERBOSE" = yes; then
set -x
tail --version
fi
. $srcdir/test-lib.sh
fail=0
echo line > in || fail=1
stdbuf --output=1K tail -f in > out &
tail_pid=$!
# Wait for 1 second for the file to be flushed.
for i in $(seq 10); do
test -s out && break
echo sleep .1s
sleep .1
done
test -s out || fail=1
kill $tail_pid
Exit $fail
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