On Fri, 6 Jul 2007, Toralf Lund wrote:
> I primarily had $acl_ variables in mind. "strict_acl_vars" is a fairly
> new option, isn't it?
4.64.
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Philip HazelUniversity of Cambridge Computing Service
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Philip Hazel wrote:
> On Fri, 6 Jul 2007, Toralf Lund wrote:
>
>
>> What do I get if I do something like
>>
>> ${eval:$some_variable+1}
>>
>> when "some_variable" is not actually defined?
>>
>
> It depends on the variable. In the case of $acl_ variables it also
> depends on whether you hav
On Fri, 6 Jul 2007, Toralf Lund wrote:
> What do I get if I do something like
>
> ${eval:$some_variable+1}
>
> when "some_variable" is not actually defined?
It depends on the variable. In the case of $acl_ variables it also
depends on whether you have set strict_acl_vars or not. Many variables
Quoting Toralf Lund:
> What do I get if I do something like
>
> ${eval:$some_variable+1}
>
> when "some_variable" is not actually defined?
An undefined variable expands to nothing (except for acl_m/acl_c
variables, if you have the strict_acl_vars option set), so this is the
same as ${eval:+1},
>
>>> What do I get if I do something like
>>>
>>> ${eval:$some_variable+1}
>>>
>>> when "some_variable" is not actually defined?
>>>
>> Looks like it treats some_variable as 0:
>>
>> [EMAIL PROTECTED]:~# /usr/sbin/exim -be
>> > ${eval:$acl_m9+1}
>> 1
>> >
>>
>
> Hmmm. More accura
Mike Cardwell wrote:
>> What do I get if I do something like
>>
>> ${eval:$some_variable+1}
>>
>> when "some_variable" is not actually defined?
>
> Looks like it treats some_variable as 0:
>
> [EMAIL PROTECTED]:~# /usr/sbin/exim -be
> > ${eval:$acl_m9+1}
> 1
> >
Hmmm. More accurately, it expa
Toralf Lund wrote:
> What do I get if I do something like
>
> ${eval:$some_variable+1}
>
> when "some_variable" is not actually defined?
Looks like it treats some_variable as 0:
[EMAIL PROTECTED]:~# /usr/sbin/exim -be
> ${eval:$acl_m9+1}
1
>
Mike
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What do I get if I do something like
${eval:$some_variable+1}
when "some_variable" is not actually defined?
- Toralf
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