Post script, Perhaps use https://tiddlywiki.com/#contains%20Operator to see 
if one tag field contains the tag in the other tag field.


On Monday, 4 May 2020 10:13:35 UTC+10, TonyM wrote:
>
> Riz,
>
> That is more precise. Thanks
>
> *Unfortunatly I must work on something else, I will leave you with the 
> following for now and return later*
>
> One would think you could compare tag fields, however the tags may be in a 
> different order.
>
> So you want to "iterate" the tags field and test each tag exists in the 
> target tiddler, is it OK if an additional field is in the target?.
>
>
>    - [enlist{!!tags}] will iterate all tags in the current tiddler
>    - [enlist{!!list}] will iterate all titles in the list field in the 
>    current tiddler, ie items tagged by current Tiddler (if used and the order 
>    was altered)
>    - I think you may need to nest filters or wistwidgets.
>
> Regards
> Tony
>
>
>
> On Monday, 4 May 2020 09:59:01 UTC+10, Riz wrote:
>>
>> Another way to convey my problem is
>>
>> How will you find all tiddlers which carry the same set of tags 
>> <<currentTiddler>> carries?
>>
>> On Mon, 4 May 2020, 05:22 Rizwan Ishak, <[email protected]> wrote:
>>
>>> I thought
>>>
>>> <$list filter="[get[tags]match{!!list}]"/>
>>>
>>> would work. Unfortunately no.
>>>
>>> On Mon, 4 May 2020, 05:11 Rizwan Ishak, <[email protected]> wrote:
>>>
>>>> We don't know beforehand what titles are there in the list field or how 
>>>> many.
>>>>
>>>> So tag[title1]tag[title2]...won't work. 
>>>>
>>>> On Mon, 4 May 2020, 05:08 TonyM, <[email protected]> wrote:
>>>>
>>>>> I will just add for clarity
>>>>>
>>>>> [[tiddler1]] [[tiddler2]] [[tiddler3]] 
>>>>> Is in effect three (3) Runs
>>>>>
>>>>> To test these its easier to say 
>>>>> [[tiddler1]] [[tiddler2]] [[tiddler3]] +[get[fieldname]match[yes]]
>>>>>
>>>>> Regards
>>>>> Tony
>>>>>
>>>>> On Monday, 4 May 2020 09:31:52 UTC+10, TonyM wrote:
>>>>>>
>>>>>> Riz
>>>>>>
>>>>>> We can say [enlist{!!list}] generates the tiddlers you want to test 
>>>>>> if they have particular tags
>>>>>> This is a run, if you want to test each item in that run you either 
>>>>>> append more filters or use a +[[run]] to apply to each item
>>>>>> So the following should be what you are looking for
>>>>>>
>>>>>> [enlist{!!list}tag[title1]tag[title3]tag[title3]]
>>>>>> or
>>>>>> [enlist{!!list}] +[tag[tag1]] +[tag[tag2]] +[tag[tag3]]
>>>>>>
>>>>>> A Common mistake is
>>>>>>
>>>>>> [enlist{!!list}] [tag[tag1]] [tag[tag2]] [tag[tag3]]
>>>>>>
>>>>>> This last one is 4 seperate runs that contribute to the output
>>>>>>
>>>>>> Regards
>>>>>> Tony
>>>>>>
>>>>>>
>>>>>> On Monday, 4 May 2020 08:38:14 UTC+10, Riz wrote:
>>>>>>>
>>>>>>> Say myfield contains a list of 5 titles - I want to find tiddlers 
>>>>>>> tagged by all of them in combination
>>>>>>>
>>>>>>> [enlist{!!list}tagging[]]
>>>>>>>
>>>>>>> This code would list all tiddlers tagged by at least one of them - 
>>>>>>> tag[title1] or tag[title2] and so on. 
>>>>>>> I want to find tag[title1] AND tag[title2] AND tag[title3] and so on
>>>>>>>
>>>>>> -- 
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>>>>> .
>>>>>
>>>>

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