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37 lines
1.1 KiB
Bash
Executable File
37 lines
1.1 KiB
Bash
Executable File
#!/bin/sh
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# Trigger a bug in the DFA matcher that would make
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# grep -F -x -o PAT print an extra newline for each match.
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# This would fail for grep-2.19 and grep-2.20.
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# Copyright 2014-2026 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, see <https://www.gnu.org/licenses/>.
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. "${srcdir=.}/init.sh"; path_prepend_ ../src
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printf 'a\n' > in || framework_failure_
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fail=0
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for locale in C en_US.UTF-8; do
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for options in -x '-E -x' '-F -x'; do
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for o in '' -o; do
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LC_ALL=$locale grep $o $options a in > out || fail=1
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compare out in || fail=1
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done
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done
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done
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Exit $fail
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