Re: problem using call-process with grep

[David Kastrup]

"Drew Adams" <address@hidden> writes:

>     maybe what arrives at the application level is gamma(,) without
>     backslashes
>
> Bingo!  Thank you, David.
>
> Don't know why I didn't see this before. I just need to use "\\\\" to get \,
> as is usual with a Lisp string (which this is). Sorry for wasting time.

Uh, there is still something wrong here.  You wrote:

>     >  (call-process "grep" nil
>     >                (generate-new-buffer "Result")
>     >                nil "epsilon\\($\\)" "foo")
>     >

This means that the string is 'epsilon\($\)', and call-process is
supposed to pass this unmolested into grep.  So some other entity is
removing a level of backslashes that shouldn't.  It is either
call-process, or grep itself.

-- 
David Kastrup, Kriemhildstr. 15, 44793 Bochum