On Fri, Jun 28, 2013 at 4:39 AM, David Lang <da...@lang.hm> wrote:
> On Thu, 27 Jun 2013, Orangepeel Beef wrote:
>
> Can you do elsif or else if blocks in rainerscript?
>>
>> I haven't seen it in the documentation, but from a comment that Rainer
> made, I think it can be done as
>
>
yup - it's not stated specifically in the doc, because it is "obvious" (to
programmers, ok, ok ;)).
You can nest statements as much as you like. "if" is a statement. So
"obviously" you can nest "if", because it's "just another statement".
That's how it is defined in most programming languages. The "elsif" is IMHO
just a bad way to tell an optimizer this is a chain (and from compiler
theory, I really don't understand why you want this, but this is taking to
far.
Note that you are free in how you write, so you can easily write
if .. {
...
} else if {
....
} else if {
...
} else {
...
}
Note that in rsyslog if you don't have any statements that are to be
executed in all cases, it is more performant to use "stop" as soon as you
are done with the message (the else chain still needs to be evaluated, the
details depend on how many messages in the batch did not match the previous
if condition).
HTH
Rainer
>
> if re_match($fromhost,'^lb.*') then {
> *.* action(type="omprog" binary="/usr/local/sbin/sec_**netscaler"
> template="RSYSLOG_**TraditionalFileFormat")
> } else {
>
> if re_match($fromhost,'^(as|cs|r)**.*') then {
> *.* action(type="omprog" binary="/usr/local/sbin/sec_**comware"
> template="RSYSLOG_**TraditionalFileFormat")
> } else {
> *.* action(type="omprob" binary="/usr/local/sbin/sec_**misc"
> template="RSYSLOG_**TraditionalFileFormat")
> }
> }
>
> so, no direct elsif, but there is an else
>
> David Lang
>
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