Re: "sub-routine" in procmailrc

On Sun, 15 Oct 2017, udi M wrote:

> Date: Sun, 15 Oct 2017 18:33:48 +0300
> From: udi M <[email protected]>
> To: [email protected]
> Subject: Re: "sub-routine" in procmailrc
>
> On 09/10/17 19:28, Zhiliang Hu wrote:
>>  On Mon, 9 Oct 2017, Ruud H.G. van Tol wrote:
>> =

>> >  Date: Mon, 9 Oct 2017 16:50:57 +0200
>> >  From: Ruud H.G. van Tol <[email protected]>
>> >  To: [email protected]
>> >  Subject: Re: "sub-routine" in procmailrc
>> > =

>> >  On 2017-10-09 16:43, Zhiliang Hu wrote:
>> > =

>> > >  This may be naive but I have not found how to - in procmailrc is it
>> > >  possible to have a sub-set of rules that can be re-used under certa=
in
>> > >  conditions? I thought of using separate 'rc' files to "go to" from =
the
>> > >  main rc (/etc/procmailrc or ~/.procmailrc); not sure how to impleme=
nt
>> > >  the scheme. E.g. Is "incldue" a right way?=3DA0 Will appreciated any
>> > >  suggestions.
>> > =

>> >  Re. usage of includes, see for example
>> >  https://rvtol.home.xs4all.nl/procmail/demo/basic/
>> > =

>> >  -- Greetings, Ruud
>>
>>  Thanks! But I guess conditional includes like these would work?
>> =

>> : 0
>>  * CONDITION A
>>  INCLUDERC =3D "$INCDIR/recipesA"
>> =

>> : 0
>>  * CONDITION B
>>  INCLUDERC =3D "$INCDIR/recipesB"
>> =

>> : 0
>>  * CONDITION C
>>  {
>> : 0 c
>>   INCLUDERC =3D "$INCDIR/recipesC"
>> =

>> : 0
>>  INCLUDERC =3D "$INCDIR/recipesA"
>>  }
>>  ?
>
> Yes,  Also, in some cases based on the MATCHing you can do:
>
> : 0
> *  theLeftSide\/thePaternYouRlookingFor
> { INCLUDE =3D $INCDIR/recipes$MATCH }
>
> instead of  case A, case B, etc...
>
> For example:
>
> 0:
> * Subject: .*simester:[ ]+\/([AB]|Summer)
> { INCLUDE =3D $INCDIR/simester$MATCH }

I only get time to try it out now - works beautifully!  Only something to =

update the thread:

1. It is "INCLUDERC =3D rcfile", not "INCLUDE =3D ...";

2. An alternative "SWITCHRC =3D another.rcfile" can be very useful also.

Zhiliang