Re: Extract last email from an email file (mbox format)

On Thu, May 26, 2016 at 9:51 PM, John Levine <[email protected]> wrote:
>>I think I have a fundamental misunderstanding somewhere. Perhaps I am
>>not using the mbox format? The file I wish to get last message of is
>>the send file from mutt. Here is the last message, for example:
>
> ---------------------------------begin last message
> From [email protected] Thu May 26 20:55:32 2016
>
> That line begins with From followed by a space, which
> is what '^From ' matches.  You might want to look for
> some tutorials on regular expressions if you don't
> understand how they work.

Regular expressions are actually the only part of this conversation
that I feel much confidence in.

>>From: will this be matched?
>
> Nope, has a colon.
>
> >From how about this one?
>
> If the mbox is created by any of the usual mail programs,
> the mail program puts a > in front of any line that might
> otherwise match '^From '

OK this is the root of the misunderstanding. I'm not sure why but mutt
has not done this.

Kind regards,

Xu