Hi all,
The virtual alias table format of Postfix gives special meaning to
leading whitespace under certain conditions:
```
multi-line text
A logical line starts with non-whitespace text. A line that
starts with whitespace continues a logical line.
```
http://www.postfix.org/virtual.5.html
I have lots of entries in those files following this example.
Especially the prefix `a` is of different lengths for multiple
different lines.
```
# Some comment...
d...@example.org recipient
c...@example.org recipient
b....@example.org recipient
a.b....@example.org recipient
aa.b....@example.org recipient
aaa.b....@example.org recipient
```
To make things better readable, I would like to have the following
layout of the same entries instead:
```
# Some comment...
d...@example.org recipient
c...@example.org recipient
b....@example.org recipient
a.b....@example.org recipient
aa.b....@example.org recipient
aaa.b....@example.org recipient
```
Or sometimes the same approach with a different order. Though, the
former example would be more common in theory.
```
# Some comment...
aaa.b....@example.org recipient
aa.b....@example.org recipient
a.b....@example.org recipient
b....@example.org recipient
c...@example.org recipient
d...@example.org recipient
```
So, the difference really only is to add leading whitespace to make
things more readable. The current implementation would warn about and
ignore entries in the first example and in the second use all as
continuation of the first entry. Reason for the first case seems to be
an arbitrary decision about how "readllines" is implemented:
> Invalid input: continuing text without preceding text. Allowing this
> would complicate "postconf -e", which implements its own multi-line
> parsing routine. Do not abort, just warn, so that critical programs
> like postmap do not leave behind a truncated table.
https://repositories.muehmer.net/boris.muehmer/postfix/-/blob/c8a78361ae41ffc8a4cf4f3e4ca2b1bca306b8ba/src/util/readlline.c#L122
It would be great if this decision could be reconsidered, e.g. by
using a config influencing the behavior or alike. For example, I don't
use continuation at all in my config files and would happily disable
that "parsing mode" in favour of better readable entries. would be
great to have a choice.
Thanks!
Mit freundlichen Grüßen
Thorsten Schöning
--
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Für Rückfragen stehe ich Ihnen sehr gerne zur Verfügung.
Mit freundlichen Grüßen
Thorsten Schöning
Tel: 05151 9468 0
Fax: 05151 9468 88
Mobil:
Webseite: https://www.am-soft.de
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