Thank you for the suggested workaround. Is it possible to define that operation in a tiddler and then refer to the value in a template for creating a new journal entry?
If so, maybe one could also use JavaScript directly to provide the value for the tiddler template. lördag 11 september 2021 kl. 15:19:35 UTC+2 skrev cj.v: > * Oops, typo in the last "search-replace" * > > "[Thu],[7]" should be "[Sun],[7]" > > The dangers of mindless cut and paste ... > > On Saturday, September 11, 2021 at 12:49:23 AM UTC-3 Charlie Veniot wrote: > >> G'day, >> >> Just to get the conversation started, try this in a new tiddler in some >> tiddlywiki: >> >> <$vars dateNow= <<now wYYYY-W0WW-ddd>>> >> >> {{{ >> [<dateNow>search-replace:[Mon],[1]search-replace:[Tue],[2]search-replace:[Wed],[3]search-replace:[Thu],[4]search-replace:[Fri],[5]search-replace:[Sat],[6]search-replace:[Thu],[7]] >> >> }}} >> >> </$vars> >> >> On Thursday, September 9, 2021 at 4:57:30 PM UTC-3 J N wrote: >> >>> A correction of the example given for a week date in TiddlyWiki is that >>> the template should use the wYYYY token for the ISO week-numbering year, >>> not YYYY, since weeks may cross the traditional year boundary with some >>> days of the week falling outside the year the week belongs to. It is a bit >>> surprising that the final element of the week day number is missing when >>> the other parts of the ISO standard are supported. >>> >>> torsdag 9 september 2021 kl. 21:31:46 UTC+2 skrev J N: >>> >>>> I would like to use the ISO week date format for the title of new >>>> journal tiddlers and elsewhere, since I find it practical to be aware of >>>> the week day in combination with a sortable date format. >>>> >>>> https://en.wikipedia.org/wiki/ISO_8601#Week_dates >>>> YYYY-Www-D or YYYYWwwD >>>> >>>> E.g. 2021-w36-4 for thursday of week 36, 2021-09-09. >>>> >>>> I can not see a way to get the week day number in the built in date >>>> format tokens. >>>> >>>> https://tiddlywiki.com/#DateFormat >>>> >>>> The closest I've got is YYYY-W0WW-ddd, but that renders as >>>> 2021-W36-Thu, which will not sort alphanumerically in date order like an >>>> ISO date would. >>>> >>>> I can see that the template tokens are implemented in a system tiddler >>>> named $:/core/modules/utils/utils.js. >>>> >>>> Getting the day of week is trivial in JavaScript, e.g. adding a token >>>> matching a single "D" for this: >>>> >>>> [/^D/, function() { >>>> return date.getDay() || 7; >>>> }] >>>> >>>> The utils.js tiddler seems to contain a lot of other stuff however, and >>>> I guess local changes would have to be merged on achieving updates of >>>> TiddlyWiki. >>>> >>>> Maybe there are other ways to achieve custom date formatting of this >>>> kind in TiddlyWiki? >>>> >>> -- 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 tiddlywiki+unsubscr...@googlegroups.com. To view this discussion on the web visit https://groups.google.com/d/msgid/tiddlywiki/87c0364f-881a-4484-9cdd-d4a4cf65f479n%40googlegroups.com.