1 | #!/bin/sh
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2 | # Test -u/--unbuffered option
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3 |
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4 | # Copyright (C) 2016-2022 Free Software Foundation, Inc.
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5 |
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6 | # This program is free software: you can redistribute it and/or modify
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7 | # it under the terms of the GNU General Public License as published by
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8 | # the Free Software Foundation, either version 3 of the License, or
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9 | # (at your option) any later version.
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10 |
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11 | # This program is distributed in the hope that it will be useful,
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12 | # but WITHOUT ANY WARRANTY; without even the implied warranty of
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13 | # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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14 | # GNU General Public License for more details.
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15 |
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16 | # You should have received a copy of the GNU General Public License
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17 | # along with this program. If not, see <https://www.gnu.org/licenses/>.
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18 | . "${srcdir=.}/testsuite/init.sh"; path_prepend_ ./sed
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19 | print_ver_ sed
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20 |
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21 | printf "1\n2\n" > in1 || framework_failure_
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22 |
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23 | # expected output for both programs
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24 | printf "1\n" >> exp || framework_failure_
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25 |
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26 |
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27 | # in unbuffered mode,
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28 | # sed should consume and print the first line,
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29 | # wc should see the rest of the input (second line).
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30 | # The second sed trims optional leading whitespace.
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31 | ( sed -u 1q > out-sed ; wc -l | sed 's/^ *//' > out-wc ) < in1
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32 |
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33 | compare_ exp out-sed || fail=1
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34 | compare_ exp out-wc || fail=1
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35 |
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36 |
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37 | Exit $fail
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