Dallman Ross wrote:
On Thu, Jun 22, 2006 at 11:57:46PM +0200, Dallman Ross wrote:
REPLYCC = `formail -zx To: -zx Cc:`
But you will have a multiline result in REPLYCC now. To get it
on one line, you could do this:
REPLYCC = `formail -zx To: -zx Cc: | xargs`
Actually, it turns out this doesn't matter. The
recipe:
:0 h
| formail -r -I "Cc: $REPLYCC" | ...
Works the same with or without bothering with xargs or
another trick to get REPLYCC to be all on one line.
I did have my suspicions about that, because even if formail left the
Cc: line folded, that is acceptable as per rfc822/2822. et al.
Thanks for warning me about the other things in my recipes... I'm still
a little fuzzy on exactly when certain flags are required. i.e. the w
flag. I think it's just a matter of whether the result is needed in a
subsequent step... if so, you have to wait...
Anyway... not a procmail/formail issue now, but I have to get a comma
between the To: values and the Cc: values in REPLYCC. I'm also a little
fuzzy on exactly how/when to use a pipe and when not to.
i.e. you mentioned
REPLYCC = `formail -zx To: -zx Cc:`
is better than
REPLYCC=| formail -zx "To:" -zx "Cc:"
due to a potential bug...
I assume you mean REPLYCC=`formail...` (no space before = as per your earlier
message)
but also, I read the pipe character as being the "current message being
processed"... makes sense.. that gets piped to stdin of formail.... (or
whatever the first program after the | )
But what about REPLYCC=`formail ...` what does formail see on stdin in that
case? I expect it would see end-of-file. i.e. no input...
But,if that is not that case... procmail must be taking the "current message"
and piping it to the shell so `formail...` still sees the same message on stdin.
I also gather that
REPLYCC=| ... must be an action line, after a : line (with or without
conditions), while
REPLYCC=`formail...` must NOT be an action line, otherwise I end with the
message being delivered to a mailbox called REPLYCC=...
So, as a rule of thumb.... if I have a construct like
:0 h
SOME_VAR=|something...
it is better to simply omit the : line altogether and code
SOME_VAR=`something...`
Is that right?
Thanks.... :-)
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