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#!/bin/sh
# This test would fail on solaris2.7 with tail from pre-1.22k textutils.
# The problem was that using the solaris2.7 setvbuf function to turn off
# buffering doesn't flush stdout.
# FIXME: actually, I couldn't find a way to write the test (without resorting
# to use of expect) so that it would provoke the failure on solaris2.7.
# To exercise the bug, cat's stdout seems to have to be directed
# to a terminal.
if test "$VERBOSE" = yes; then
set -x
tail --version
fi
tmp=tail-flush.$$
pwd=`pwd`
trap "cd $pwd; rm -rf $tmp" 0 1 2 3 15
test_failure=0
mkdir $tmp || test_failure=1
cd $tmp || test_failure=1
if test $test_failure = 1; then
echo 'failure in testing framework'
exit 1
fi
echo fubar > in
tail -f in | cat > out &
pid=$!
sleep 1
kill $pid
fail=0
test "`cat out`" = fubar || fail=1
exit $fail
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