Gonzalo asked for an explanation:
> Just to understand what it actually means, I read' the procmailex and
> procmailrc manpages so what I conclude is:
> * LASTFOLDER ?? means we are going to work on the LASTFOLDER
> variable
Right.
> /\/ is right-splitting.
Er, no.
/ is a literal slash.
\/ is procmail's extraction mark; everything matching the rest of the
pattern to the right of \/ becomes the new value of the MATCH variable.
> However, seeing as how we are working with the entire variable, isn't
> it redundant?
No, because (if you don't get distracted by the extraction mark)
/[^/]+^^ means everything from the last slash on to the end (provided
that there is a slash, and that the last character isn't a slash -- but
since you're saving to a maildir, there always will be a slash in
$LASTFOLDER and there will always be non-slash characters after the last
slash).
> [^/] means we don't want to match any "/"'s
> + means we want to match one or more non "/" characters
Right.
> ^^ I don't quite understand. It means we want to "anchor" the
> expression at the end of the search area?
Close enough.
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