To assist future visitors The opposite, has field with any valueis simply [is[current]has[fieldname]] But an older example given to me was something like this
<<list-links "[is[current]has[created]sort[created]] [is[current]!has[created]]">> But I am not so clear on this. Regards Tony On Thursday, July 26, 2018 at 11:54:01 AM UTC+10, TonyM wrote: > > I have answered my own question; > > The filter will be > > [has:field[fieldname]]+[!has[fieldname]] > > It works on the basis that [has:field[fieldname]] returns all tiddlers > with fieldname blank or otherwise > and that [!has[fieldname]] only returns tiddlers without fieldname having > a value or even having the fieldname. > To satisfy both conditions the fieldname must exist but be empty. > > Rergards > Tony > > On Thursday, July 26, 2018 at 11:30:30 AM UTC+10, TonyM wrote: >> >> Folks, >> >> As documented here https://tiddlywiki.com/#field%20Operator the "has" >> operator does not seem to have a way to filter that returns tiddlers with a >> field, that is empty. >> >> We can force it to return fields that are empty along with those that are >> not empty, >> but to get a list of tiddlers that have a field but are also empty seems >> impossible without a nested list and testing the contents of a field using >> the get operator. >> >> *Does anyone have a tricky way of using a single filter to list such >> tiddlers?* >> >> I think this may be an issue to raise in the GitHub issues. >> >> Regards >> Tony >> > -- You received this message because you are subscribed to the Google Groups "TiddlyWiki" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To post to this group, send email to [email protected]. Visit this group at https://groups.google.com/group/tiddlywiki. To view this discussion on the web visit https://groups.google.com/d/msgid/tiddlywiki/a1fc39d3-8b00-4186-ba82-667adf72e000%40googlegroups.com. For more options, visit https://groups.google.com/d/optout.

