Luke asked,
| This failing, I am now doing:
|
| :0 flags
| * conditions
| { duplicate = 0 }
|
| Is there any other way?
No, except that the spaces around the equal sign are optional.
| Also, as a side note, am I correct that this is a non-delivering recipe,
| without having to specify "c" as a flag?
Yes. Believe me, adding a `c' is the last thing you'd want to do there. Then
you'd clone procmail, and there would be two instantiations of procmail, each
with a copy of the message, one that had set $duplicate to 0 and one that had
not.
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