Re: Why does grep [^0-9] become grep u?

[David Liontooth]

David Liontooth wrote:
> In two windows of the same KDE konsole, I get this:
>
> $ echo aa | strace grep [^0-9]
> execve("/bin/grep", ["grep", "u"], [/* 31 vars */]) = 0
>
> $ echo aa | strace grep [^0-9]
> execve("/bin/grep", ["grep", "[^0-9]"], [/* 31 vars */]) = 0
>
> Something on my system got reset -- any new terminal I open interprets
> [^0-9] as u.  What's going on?
>
> Dave
>
>
> grep                    2.5.1.ds2-6
>
> Debian sid amd64
>
>
>   
I tracked down the cause -- I had a symlink in my home directory:

u -> /mnt/flash

When the command was given in that directory, or a cronjob ran under
that user, it failed as above.

Any explanation for why this would happen?