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

>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.

>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 '