The """ thing is a habit I go into to help prevent code that breaks when confronted with tiddlers that have spaces, quotes, or other odd punctuation. Very often it isn't actually needed.
It's a similar thing for the <__pfx__> syntax. It's a bit funky, but it is more robust when the content of the parameter might contain some unexpected punctuation. I probably could have used [$pfx$] instead. The notation is really useful when you are using a variable define outside the macro (that is, a variable defined in the calling environment). Then you might call it like: ...tag<myvariable>... which is a lot less clunky than other alternatives. On Friday, November 27, 2020 at 1:29:14 AM UTC-8 [email protected] wrote: > Thank you so much for this detailed example! > > I have two questions: > 1) What do the three """ mean? Could you also just use one " or do the > three have a special function? > 2) I never really understood what the syntax <__pfx__> does. I get the > $name$ and $(name)$ - but the other macro notations don´t come easily to me. > > Mark S. schrieb am Donnerstag, 26. November 2020 um 19:53:22 UTC+1: > >> Something like the code below can do what you seem to want. But it's kind >> of complicated and >> messy, requiring helper macros and the wikify widget. It's much easier if >> construct your tiddlers >> according to basic database design principles. >> >> The first principle of database design is that you don't store multiple >> pieces of information in a >> single field. Unfortunately TW gets you off to a bad start, with the >> title field already performing at >> least 3 different functions. >> >> If you put year, month, week, and day all into their own fields, then it >> becomes much easier >> and understandable to create report tiddlers. It could probably be done >> in one or two list >> widgets in 5.1.23prerelease using the new sortsub operator. >> >> Ok, here's the code using your existing setup: >> >> \define listdays(pfx) >> <$list filter="""[prefix<__pfx__>]""" variable="thing1"> >> <$list filter="""[<thing1>split[-]nth[5]]"""/> >> </$list> >> \end >> >> \define listweek2(pfx daynum) >> <td> >> <$list filter="""[prefix[$pfx$$daynum$]]""" > >> >> </$list> >> </td> >> \end >> >> \define listweek(pfx) >> <tr><td>$pfx$</td> >> <$wikify text="""<<listdays '$pfx$'>>""" name=daylist> >> <$list filter="""[enlist<daylist>sort[]]""" variable=daynum> >> <$macrocall $name=listweek2 pfx=<<__pfx__>> daynum=<<daynum>> /> >> </$list> >> </$wikify> >> </tr> >> \end >> >> <<listweek """$:/weekplan-2020-11-48-""">> >> >> >> On Thursday, November 26, 2020 at 6:17:53 AM UTC-8 [email protected] >> wrote: >> >>> >>> Hello everyone, >>> >>> I just can´t wrap my head around this one, now have been trying >>> different things for a couple of hours :( >>> >>> I have several tiddlers with the name scheme: >>> *$:/weekplan-2020-11-48-23-Monday-1* >>> >>> * $:/weekplan-2020-11-48-23-Monday-2* >>> >>> * $:/weekplan-2020-11-48-23-Monday-3 * >>> >>> * $:/weekplan-2020-11-48-24-Wednesday-1 * >>> >>> * $:/weekplan-2020-11-48-24-Wednesday-2 * >>> >>> * $:/weekplan-2020-11-48-25-Thursday-1 * >>> * $:/weekplan-2020-11-48-23-Thursday-2* >>> *...* >>> >>> The numbers are: Year, Month, Week number, day of month, day of week, >>> number counting >>> >>> I now want to show in a table all the tiddlers with year 2020, month 11, >>> week 48 and the ones with the same day should be in one table row in >>> different columns. >>> >>> I manage to filter all the tiddlers with the matching year, month and >>> week by the *prefix/removeprefix* filter operator. Now I don´t get it >>> how to group these tiddlers with the same day by removing the suffix number >>> counting resulting in something like this: >>> >>> >>> *23-Monday-1 23-Monday-2 23-Monday-3 * >>> >>> * 24-Wednesday-1 24-Wednesday-2 * >>> * 25-Thursday-1 23-Thursday-2* >>> >>> Can I use the subfilter operator for that? Or is there a filter operator >>> I am missing? >>> >>> Thank you! >>> Christoph >>> >>> -- 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 view this discussion on the web visit https://groups.google.com/d/msgid/tiddlywiki/a63920d3-7b18-433a-afdd-456d16f1eaf2n%40googlegroups.com.
