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<title>coreutils/tests/comm/comm.pl, branch master</title>
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<updated>2026-04-23T02:12:44Z</updated>
<entry>
<title>comm: don't close standard input twice</title>
<updated>2026-04-23T02:12:44Z</updated>
<author>
<name>Collin Funk</name>
<email>collin.funk1@gmail.com</email>
</author>
<published>2026-04-22T03:10:55Z</published>
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<content type='text'>
* NEWS: Mention the bug fix.
* src/comm.c (usage): Remove mention that FILE1 and FILE2 cannot both be
standard input.
(compare_files): Only close standard input once.
* doc/coreutils.texi (comm invocation): Document the behavior of
'comm - -' which is not portable to all implementations.
* tests/comm/dash-dash.sh: New file.
* tests/misc/comm.pl: Move to tests/comm/comm.pl.
* tests/local.mk (all_tests): Add the new test. Rename the existing
test.
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