Re: How to use ']' in the upper bound of a range character set

[Dave B]

Arlinta Barus wrote:
> Thanks for the reply. 
> 
> " We can't use and/or escape `]' between `[' and `]' in  grep and egrep". 
> So does it mean that grep cannot support a range character set that
> the end of the range is character ']' ? Because in the real problems,
> it is possible that we want to find a character in a range such
> that ']' is the end of the range.

] is supported but not in a rage, so you can do

echo 'ab23c]' | LC_ALL=C grep -o --color '[]1-\]'

ie, extend the range until the character preceding the ] and include ]
separately.

-- 
D.