Thanks Eric, will give this a try. In an earlier version, I did use the $(..)$ format and then for a reason I can't explain, replaced it by the <<..>> format after reading various manual pages.
BobJ --------------- Dr Bob Jansen The Cultural Conversations project Turtle Lane Studios Pty Ltd trading as the Australian Centre for Oral History 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: bobjtls http://www.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" > On 11 Sep 2020, at 22:56, Eric Shulman <[email protected]> wrote: > >> On Friday, September 11, 2020 at 4:14:44 AM UTC-7, Bob Jansen wrote: >> The task is to create a tiddler storing in a field a string, for example, >> ArtworkImages/BJ007.jpg, where the number is an incremental number and the >> text comes from various tiddlers, eg. $:/TLS/imagefoldername, so it can be >> altered as required.. >> The problem is passing the values of artwork_url and artwork_id into the new >> tiddler. >> The values stored are: artwork_id is <<idcode>><<incremental>> and >> artwork_url is <<foldername>><<idcode>><<incremental>><<imagecode>> instead >> of their values. >> However, displaying the values of the variables for debugging purposes >> gives: ... >> These values are as they should be but they are not carried across into the >> action-createtiddler widget. >> > > Macros do ONLY two kinds of processing: > 1) Replace any instances of $arg$ passed in > 2) Replace any instances of $(variable)$ that are defined *outside* the macro > > Everything else contained inside a macro is returned exactly as defined > within the macro. It is up to the "calling context" to process the returned > macro content. > > When you write: > \define artworkurl() <<foldername>><<idcode>><<incremental>><<imagecode>> > \define uniqueid() <<idcode>><<incremental>> > The results are to simply return the macro's contents as shown. The > variables references inside the macros are not automatically converted to > their values. > > If you then *display* the results of the macro, the "<<variablename>>" syntax > is automatically "wikified" to render the value stored in the variable. > However, when you use the results of the macro as a *parameter* in a $widget, > the macro results are passed to the $widget "as-is" without further > processing. > > The easiest way to make your code work (assuming no other problems) is to > change these two macros, like this: > \define artworkurl() $(foldername)$$(idcode)$$(incremental)$$(imagecode)$ > \define uniqueid() $(idcode)$$(incremental)$ > By doing this, the content returned from those macros WILL be the *values* of > the variables, not the references to the variables. > > -e > -- > You received this message because you are subscribed to a topic in the Google > Groups "TiddlyWiki" group. > To unsubscribe from this topic, visit > https://groups.google.com/d/topic/tiddlywiki/uWum4aFZPmc/unsubscribe. > To unsubscribe from this group and all its topics, send an email to > [email protected]. > To view this discussion on the web visit > https://groups.google.com/d/msgid/tiddlywiki/23da8137-8fd3-4df6-bcd6-38040bee6544o%40googlegroups.com. -- 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/6D029C88-815A-4EA1-83B3-C0918BCD183D%40gmail.com.
