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grep "--color=always" doesn't work with "-i"


$ uname -a
NetBSD NetBSD 9.0_STABLE NetBSD 9.0_STABLE (GENERIC) #0: Sat May 9 08:21:36 UTC 2020 amd64

My shell is ksh.

/usr/bin/grep --color=always "DUID" -r /usr/share/man/man*

correctly returns all manual page lines with "DUID" highlighted in red, where as:

/usr/bin/grep --color=always -i "DUID" -r /usr/share/man/man*

returns all manual page lines with case insensitive "duid" but without highlighting. I have tried to play around with the orders of parameters and removing quotes, without success.

As a term of comparison, the same command works as intended on OpenBSD and Linux.

Am I doing something wrong or is it a bug?

Ottavio Caruso

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