Consider the following fragment from a pipe transport:
------------------------------------------------------------------------
environment =AUTH=$authenticated_id \
:SUBJECT=$header_subject: \
:TO=$header_to:
------------------------------------------------------------------------
And the following from the Exim specification:
------------------------------------------------------------------------
environment
Use: pipe
Type: string, expanded
Default: unset
This option is used to add additional variables to the environment
in which the command runs (see section 29.4 for the default list).
Its value is a string which is expanded, and then interpreted as a
colon-separated list of environment settings of the form
“<name>=<value>”.
------------------------------------------------------------------------
Question:
Is it possible to get all the contents of the Subject: header field
into the SUBJECT environment variable even if it contains a colon?
So far I've tried I have tried:
:"SUBJECT=$header_subject:"
":SUBJECT=$header_subject:"
:SUBJECT=$sg{{$header_subject:}{:}{\\:}}
:SUBJECT=${quote{$header_subject:}}
and probably a few other things, but with no luck. The only way I've
found so far to even get anything *past* the first colon into the
environment variable is something like this
:SUBJECT=${tr{$header_subject:}{:}{_}}
which is far from ideal.
Am I trying to do the impossible here?
Bob