bug#56888: 'echo message | grep []' is affected by files in local directory when using bracket

[Jim Meyering]

tags 56888 + notabug
close 56888
stop

On Tue, Aug 2, 2022 at 9:08 AM Carlo Arenas <carenas@gmail.com> wrote:
>
> This behaviour is expected and described in the manual (albeit it
> might be a good candidate for a FAQ) :
>
>   https://www.gnu.org/software/grep/manual/grep.html#Usage
>
> Even before grep gets to see the expression, the shell would try to
> match it and expand it as needed, which is obviously not what you want
> for your usecase and why it would be better if you quote it.
>
>   time echo "axyz" | grep '[abcd]xyz'
>
> should behave as you expect, regardless of what the current directory has.

Thanks. By the above, I've marked this as "not a bug" and closed the
auto-generated ticket.