Re: [9fans] grep (or perhaps regex(6)) question

[erik quanstrom]

On Tue Jul  5 03:57:02 EDT 2011, dexen.devr...@gmail.com wrote:
> on plan9port:
> % echo foobar | 9 grep '$JUNK'
>  -> foobar
> 
> that is, p9p grep matches any line with regular expression in form of
> $ANY_REGEX
> 
> why is it so?

this is a bug.  see the grammar in regexp(6).
plan 9 grep does not have this problem.

- erik