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33 lines
1.2 KiB
Bash
Executable File
33 lines
1.2 KiB
Bash
Executable File
#!/bin/sh
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# Ensure that md5sum prints each checksum atomically
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# so that concurrent md5sums don't intersperse their output
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# Copyright (C) 2009-2011 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=.}/init.sh"; path_prepend_ ../src
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print_ver_ md5sum
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(mkdir tmp && cd tmp && seq 500 | xargs touch)
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# This will output at least 16KiB per process
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# and start 3 processes, with 2 running concurrently,
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# which triggers often on Fedora 11 at least.
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(find tmp tmp tmp -type f | xargs -n500 -P2 md5sum) |
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sed -n '/[0-9a-f]\{32\} /!p' |
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grep . > /dev/null && fail=1
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Exit $fail
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