bz-nore...@freebsd.org wrote:
https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=191086
Bug ID: 191086
Summary: grep and bsdgrep do not recognize [[:<:]] and [[:>:]]
Product: Base System
Version: 9.2-RELEASE
Hardware: Any
OS: Any
Status: Needs Triage
Severity: Affects Many People
Priority: ---
Component: bin
Assignee: freebsd-bugs@FreeBSD.org
Reporter: we...@iastate.edu
grep and bsdgrep do not recognize the '[[:<:]]' or '[[:>:]]' bracket
expressions described in re_format(7), though sed does:
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
$ printf 'foobar\nfoo bar\nbaz' | grep 'foo[[:>:]]'
grep: Invalid character class name
$ printf 'foobar\nfoo bar\nbaz' | grep '[[:<:]]bar'
grep: Invalid character class name
$ printf 'foobar\nfoo bar\nbaz' | bsdgrep 'foo[[:>:]]'
bsdgrep: Invalid character class name
$ printf 'foobar\nfoo bar\nbaz' | bsdgrep '[[:<:]]bar'
bsdgrep: Invalid character class name
$ printf 'foobar\nfoo bar\nbaz' | sed -n '/foo[[:>:]]/p'
foo bar
$ printf 'foobar\nfoo bar\nbaz' | sed -n '/[[:<:]]bar/p'
foo bar
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
i've never heard it should support [:<:]
i've heard \< is a gnu option not all support
what is your citation showing any standard defines this and that you
should be allowed to make changes (which maybe will cause other
problems if you are incorrect) ?
please, thank you
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