Re: Need Help with Message Body Filtering using AND/OR, Nested If condit

dvazirani(_at_)attmail(_dot_)com (Dilip Vazirani) writes:
> I am new to procmail and would appreciate if anyone can
> help me with real code of .procmailrc for the following example:
>
> In message body search for :
> search for the word Item
> if found
>      search for the word TV or VCR
>         if found
>            search for the word price or pricing
>               if found
>                  put the message in the folder tv-vcr-rice
>               endif
>       elseif search for the word radio
>          if found 
>             write the message to folder radio

You left off two 'endif's  :-)

Actually, I must say that the above is *much* clearer in intention.
Thank you.

The description from above appears as comments with one '#' in what
follows.  My comments have three '#'s.  Note the similarity in
structure between the comments and the code.  What follows is not the
_shortest_ way of doing this, but it does match your explanation, which
should make it clearer.

Philip Guenther


#----------------procmailrc recipe starts here-------------------
### I'm still assuming you want case-sensitive matching, so we'll add
### the 'D' to each recipe
### I'm also assuming that by folder you mean standard mbox style mail
### folders, being one file with multiple messages delineated by '^From '.
### These require locking (something I forgot in my original reply).  Thus
### you'll see a second colon on both of the recipes that write to a folder.

### Unless told otherwise, procmail effectively stops once it's has
### successfully delivered the message, be that to your mailbox, to a
### folder (as we're doing here), into a program, or to another person
### by forwarding it.  Thus, if a message is delivered into the "radio"
### or "tv-vcr-rice" folders by the following, then it won't continue on
### to end up in your mailbox.  If you would like procmail to deliver the
### message into your normal mailbox _as_well_as_ the "tv-vcr-rice" or
### "radio" folders, add the 'c' flag to the beginning of the first recipe,
### right after the 'BD' flags below.

# In message body search for :
### This adds 'B' flag to each recipe.

# search for the word Item
#    if found
:0 BD
* Item
{
     # search for the word TV or VCR
     #    if found
     ### To handle the 'or' part, we'll just use the regexp '|' operator
     ### which matches if either side of it does so.  I.e., the condition
     ### below is a match if the body contains either "TV" or "VCR"
     :0 BD
     * (TV|VCR)
     {
          # search for the word price or pricing
          #    if found
          #       put the message in the folder tv-vcr-rice
          ### Don't forget to lock the folder while writing: add a second colon
          :0 BD:
          * (price|pricing)
          tv-vcr-rice
 
          #    endif
     }

     # elseif search for the word radio
     ### The 'elseif' is actually redundant, as a match on the above will
     ### result in procmail stopping there.  For clarity's sake however,
     ### I've added the 'E' flag below to highlight the 'elseif' nature
     ### of this recipe.

     #    if found 
     #       write the message to folder radio
     ### Don't forget to lock the folder while writing: add a second colon
     :0 BDE:
     * radio
     radio
}