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authorGray Wolf <wolf@wolfsden.cz>2020-04-29 15:49:17 +0200
committerDenys Vlasenko <vda.linux@googlemail.com>2020-04-29 16:01:42 +0200
commitc3295d233b6a7d924814eec9a5c5999a876daf9e (patch)
tree2281617cafa2ec0e9def7bf0ee5da3280e724c77 /testsuite/tr.tests
parent1c462d47a0bc92f9f57af223456df53169acf3fe (diff)
downloadbusybox-c3295d233b6a7d924814eec9a5c5999a876daf9e.tar.gz
grep: Fix -f FILE when FILE is empty and -x provided
Grep currently special-cased empty pattern file to be the same as pattern file with one empty line (empty pattern). That does mirror how GNU grep behaves, except when -x is provided. In that case .* pattern needs to be used instead. Signed-off-by: Gray Wolf <wolf@wolfsden.cz> Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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