2019-11-15 13:38:38 -0800, Paul Eggert: > On 11/15/19 11:06 AM, NIDE, Naoyuki wrote: > > echo ba | LANG=ja_JP.eucjp grep -F -w a > > outputs ba, but should output nothing. > > I don't observe this problem with GNU grep 3.3 on Fedora 31. Please try > upgrading to grep 3.3, the current release. If that doesn't work, please > send more details about your configuration: what OS you're using, how you > built 'grep', etc. Thanks. [...]
I can reproduce on Linux Mint 19.2 Tina amd64, based on Ubuntu 18.04 with grep 3.1 and 3.3 and glibc 2.27-3ubuntu1. $ echo ba | LC_ALL=ja_JP.eucjp ./src/grep -o '[[:alnum:]]' b a $ echo \\nba\\n | LC_ALL=ja_JP.eucjp ./src/grep -wF a ba Also in these locales: ja_JP.eucjp ko_KR.euckr zh_CN.gb18030 zh_CN.gb2312 zh_CN.gbk zh_HK.big5hkscs zh_SG.gb2312 zh_SG.gbk zh_TW.big5 zh_TW.euctw -- Stephane
