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57 lines
1.6 KiB
Bash
Executable File
57 lines
1.6 KiB
Bash
Executable File
#!/bin/sh
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# This test would fail on solaris5.7 with tail from pre-1.22k textutils.
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# The problem was that using the solaris5.7 setvbuf function to turn off
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# buffering doesn't flush stdout.
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# Copyright (C) 1999, 2000, 2003, 2006 Free Software Foundation, Inc.
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 3 of the License, or
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# (at your option) any later version.
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write to the Free Software
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# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
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# 02110-1301, USA.
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# FIXME: actually, I couldn't find a way to write the test (without resorting
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# to use of expect) so that it would provoke the failure on solaris5.7.
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# To exercise the bug, cat's stdout seems to have to be directed
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# to a terminal.
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if test "$VERBOSE" = yes; then
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set -x
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tail --version
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fi
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tmp=tail-flush.$$
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pwd=`pwd`
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trap 'cd "$pwd" && rm -rf $tmp' 0 1 2 3 15
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test_failure=0
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mkdir $tmp || test_failure=1
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cd $tmp || test_failure=1
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if test $test_failure = 1; then
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echo 'failure in testing framework'
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exit 1
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fi
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echo fubar > in
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tail -f in | cat > out &
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pid=$!
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sleep 1
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kill $pid
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fail=0
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test "`cat out`" = fubar || fail=1
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exit $fail
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