Thanks a lot Eric for your details answer,
Things are MUCH clear now
On Tuesday, August 25, 2020 at 1:57:21 PM UTC+2 Eric Shulman wrote:
> On Tuesday, August 25, 2020 at 4:04:20 AM UTC-7, Mohamed Amin wrote:
>>
>> Suppose that I've 3 Tiddlers (Tdler01, Tdler02 and Tdler03) and all of
>> them has filed called "status" with the following values:-
>> Tdler01.status = MyData
>> Tdler02.status = [[MyData]]
>> Tdler03.status = [[My Data]]
>>
>> As expected, I got the correct values when I run the following :-
>> {{Tdler01!!status}} = MyData
>> {{Tdler02!!status}} = MyData
>> {{Tdler03!!status}} = My Data
>>
>
> Keep in mind that *rendering* (displaying) the value of a field causes it
> to be "wikified". Thus, I assume that all three outputs above rendered as
> links. This is because the first is a WikiWord and is automatically
> linked, and the others are explicitly surrounded by doubled square brackets
> which makes them links.
>
>
>> Now, My problem is when I try the following :-
>> {{{ [field:status[MyData]] }}} -> I got "Tdler01 " ONLY (should see
>> "Tdler02" as will)
>> {{{ [field:status[My Data]] }}} -> NO result
>>
>> what I'm missing?
>>
>
> The "status" field is NOT a list field. Only the "tags" and "list" fields
> automatically get special handling as list fields.
>
> In any event, the field:fieldname[value] filter never treats the fieldname
> as a list (even for the "tags" or "list" fields).
> It only compares the specified value with the entire contents of the
> specified fieldname.
>
> To find tiddlers that have a specified value within any field whose
> content is a space-separated, bracketed list, use the
> contains:fieldname[value] operator:
>
> Thus,
> {{{ [contains:status[MyData]] }}} -> results in Tdler01 and Tdler02
> {{{ [contains:status[My Data]] }}} -> results in Tdler03
>
> -e
>
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