The tilde (~) operator was what I was missing. Thanks.
On Thursday, December 12, 2019 at 10:08:14 PM UTC-6, Mark S. wrote:
>
> Here's my version:
>
> <$list filter="[search{possearch}!search{negsearch}] ~[search{possearch}]
> -[[possearch]] -$:/HistoryList">
> <<currentTiddler>><br/>
> </$list>
>
> I changed $:/temp/possearch and $:/temp/negsearch for my research. I'm
> sure you'll see how to change them back. Because the possearch term will
> always contain the thing to be searched, it needed to be subtracted. Same
> for the HistoryList.
>
> This worked in my test, including when negsearch was not present.
>
> HTH
>
> On Thursday, December 12, 2019 at 11:01:16 AM UTC-8, Stephen Kimmel wrote:
>>
>> I want to combine a pair of search operators within a single filter where
>> one will be positive and the other negative. For example, I might want a
>> list of all the tiddlers that contain the word "Mark" but exclude all the
>> tiddlers that contain the word "temple." The solution I suspect would
>> involve an expression that looks something like
>>
>> [search[Mark]!search[Temple]]
>>
>> but, of course, I want to use variables in the expression. So what I have
>> at the moment has an expression that looks like this:
>>
>> search{$:/temp/possearch}!search{$:/temp/negsearch}
>>
>> The problem I'm having occurs when $:/temp/negsearch is either empty or
>> doesn't exist. In that set of circumstances, I get no matches. I would like
>> the search to act as though it were
>>
>> search{$:/temp/possearch}
>>
>> or
>>
>> search{$:/temp/possearch}!search[xyz123]
>>
>> but I can't figure out how to do that.
>>
>> Any ideas?
>>
>
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