Re: matching the "-a" argument?

Louis-David Mitterrand wrote:

> In my postfix config I deliver to procmail with -a
>
>       mailbox_command = /usr/bin/procmail -a "$EXTENSION"
>
> How can I then match that $EXTENSION variable in my ~/.procmailrc?
>
> I tried:
>
>       :0
>       *$ 1 ?? extension
>       .junk-extension/
>
> after reading that the -a arguments are numbered from $1, etc. but it
> doesn't match.
>
> How should I do it?
Special variables, other than H and B, don't work with ??.  You need to 
save it in a regular variable first:

  EXTENSION=$1

  :0
  * EXTENSION ?? extension
  .junk-extension/


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