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fec363cebf
* src/split.c (line_bytes_split): Rewrite to only buffer when necessary. I.E. only increase the buffer when we've already lines output in a split and we encounter a line larger than the input buffer size, in which case a hold buffer will be increased in increments of the input buffer size. (lines_rr): Use the more abstract xalloc_die() just like we did in line_bytes_split(), rather than explicitly printing the "memory exhausted" message and exiting. * tests/split/line-bytes.sh: Add a new test for this function which previously had no test coverage. * tests/local.mk: Reference the new test. * NEWS: Mention the improvement. Fixes http://bugs.gnu.org/13537
87 lines
1.8 KiB
Bash
Executable File
87 lines
1.8 KiB
Bash
Executable File
#!/bin/sh
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# test -C, --lines-bytes
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# Copyright (C) 2013 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 <http://www.gnu.org/licenses/>.
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. "${srcdir=.}/tests/init.sh"; path_prepend_ ./src
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print_ver_ split
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require_ulimit_v_
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# Ensure memory is not allocated up front
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(ulimit -v 20000; split -C 'E' /dev/null) || fail=1
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# Ensure correct operation with various split and buffer size combinations
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lines=\
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1~2222~3~4
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printf '%s' "$lines" | tr '~' '\n' > in || framework_failure_
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cat <<\EOF > splits_exp
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1 1 1 1 1 1 1 1 1 1
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2 2 2 1 2 1
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2 3 2 2 1
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2 4 3 1
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2 5 3
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2 5 3
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7 3
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7 3
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9 1
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9 1
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10
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EOF
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seq 0 9 | tr -d '\n' > no_eol_in
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cat <<\EOF > no_eol_splits_exp
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1 1 1 1 1 1 1 1 1 1
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2 2 2 2 2
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3 3 3 1
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4 4 2
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5 5
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6 4
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7 3
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8 2
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9 1
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10
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10
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EOF
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for b in $(seq 10); do
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: > splits
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: > no_eol_splits
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for s in $(seq 11); do
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rm x??
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split ---io=$b -C$s in || fail=1
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cat x* > out || framework_failure_
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compare in out || fail=1
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stat -c %s x* | paste -s -d ' ' >> splits
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rm x??
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split ---io=$b -C$s no_eol_in || fail=1
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cat x* > out || framework_failure_
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cat xaa
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compare no_eol_in out || fail=1
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stat -c %s x* | paste -s -d ' ' >> no_eol_splits
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done
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compare splits_exp splits || fail=1
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compare no_eol_splits_exp no_eol_splits || fail=1
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done
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Exit $fail
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