Try:
<$list filter="[[$artworkID$]!is[blank]]" variable="not_blank">
<$list
filter="[tag[Names]!tag[Index]!match<currentTiddler>contains:artwork_id[$artID$]]">
<$view field="person_name"/><br/>
</$list>
</$list>
If you still have issues, it would be a lot easier to assist if you could
post a copy of your file where we can test things.
On Thursday, September 17, 2020 at 2:02:36 PM UTC+2, Dr. Bob Jansen wrote:
>
> Colleagues,
>
> Experimenting with the contains operator but having trouble with how to
> write the operator string correctly.
>
> Am changing my <$list> structure to
>
> <$list filter="[[$artworkID$]!is[blank]]" variable="not_blank">
> <$list filter="[tag[Names]!tag[Index]!match<currentTiddler>">
> <$list filter="[contains:artwork_id[$artID$]]">• <$link
> to={{!!name_id}}><$view field="title"/> <$view
> field="person_name"/></$link><br/>
> </$list>
> </$list>
> </$list>
>
> Have tried other formats around the artID parameter but nothing returns
> any results.
>
> What should the correct contains operator expression in this case be?
>
> bobj
>
> On 17/9/20 7:37 pm, Eric Shulman wrote:
>
> On Wednesday, September 16, 2020 at 11:37:09 PM UTC-7, Bob Jansen wrote:
>>
>> I have three tiddlers, tag=Names, TK5, TK6 and TK7. Each has a field,
>> artwork_id but only TK5 has artwork_id=TK1. the other two have an empty
>> field.
>> I have a tiddler, TK1 which has a field artwork_id with value TK1.
>> TK1 calls a macro <<is_purchased_by {{!!artwork_id}} >>
>>
>> The macro is:
>> \define is_purchased_by(artworkID)
>> <$wikify name="artID" text=[$artworkID$] >
>> <$log $message="hello world" myvalue=artID />
>> <$list filter="[[$artworkID$]!is[blank]]" variable="not_blank">
>> <$list filter=
>> "[tag[Names]!tag[Index]!match<currentTiddler>search:artwork_id[$(artID)$]]"
>> >
>> • <$link to={{!!name_id}}><$view field="title"/> <$view field=
>> "person_name"/></$link><br/>
>> </$list>
>> </$list>
>> </$wikify>
>> \end
>>
>
>
>
> --
> --------------------------------
> Dr Bob Jansen
> 122 Cameron St, Rockdale NSW 2216, Australia
> Ph (Korea): +82 10-4494-0328
> Ph (Australia) +61 414 297 448
> Resume: http://au.linkedin.com/in/bobjan
> Skype: bobjtls
> KakaoTalk: bobjtlshttp://cultconv.com
>
> In line with the Australian anti-spam legislation, if you wish to receive no
> further email from me, please send me an email with the subject "No Spam"
>
>
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