Hi Tony, I found this searching for "excerpt" on the group. is it possible to extract the contents of the First <p> occurance in a Tiddler using your macro?
That would be something I am interested in. Thanks Adithya On Monday, July 27, 2020 at 9:41:35 AM UTC+5:30 TW Tones wrote: > Update > > For anyone interested I have now generalise this to create a macro for > extracting any hard coded html tags/sections from a tiddler. > > Uses > > - Allows you to divide tiddlers into sections using html, and access > such sections from elsewhere > - Not unlike transcluding a fragment of a tiddlywiki > > Examples > > - Create an excerpt or abstract section in your tiddler and include > only that in a separate list > - Extract html tables from tiddlers to display and link to in an > appendix > - many more > > I now realise it would only be a small step to extract content by HTML tag > after rendering the content of a tiddler into html. > This would allow any html tag which is the result of tiddlywikis render > process also to be extracted and displayed, > > An example would be the use of tiddlywikis "|" table encoding method, > since this is translated to html table tag during rendering you could > extract table made this way OR HTML hard coded tables from any tiddler. > > *Further speculation* > > - One could write tiddlers with wiki text and macros generating a > required result, then access this from any other tiddler as finalised html > or even more precisely extract value(s) from that result, ie we can pull > content and reuse it without demanding additional wiki text and rendering. > In a way this would be like screen scraping ones own site. > - What if we could do this to the contents on an iframe or other > content include method? Integration would be very easy. > > Regards > TW Tones > Always wanting to extend the possibilities of Tiddlywiki > > > On Sunday, July 26, 2020 at 11:34:11 AM UTC+10, TW Tones wrote: >> >> Folks, >> >> The following objective I believe exposes a limitation in tiddlywiki I >> would like to resolve; however I wish to find at least a work around for >> now. >> >> I am just writing a macro to process lines in a tiddler >> <$tiddler tiddler=<<tiddlername>> > >> <$list filter="[all[current]get[text]splitregexp[\n]]" variable=line> >> >> </$list> >> </$tiddler> >> >> However inside the list, I want to process each line, >> >> - However I wish to detect a start and end condition and display only >> the lines including and between the start and end condition. >> - This start and end condition may occur more than once in the same >> tiddler. >> - A real world example may be extracting the content between an open >> and close html div or section tag. >> >> To do this my first idea so far is >> >> - setting a flag at the start of when the condition is met, >> - displaying each line when this flag is on >> - and turning the flag off when the end condition is met. >> >> However this flag would be a variable in the traditional (non tiddlywiki >> sense) and I do not believe we have one in, tiddlywiki that does not >> require a trigger to set a text reference to that value. This is a gap I >> have recognised for some time but had trouble communicating. >> >> A second idea is to "call a sub-routine", while the condition is met, >> >> - but to do this we need to have the ability to request the next line >> from the source tiddler >> - We can not do this to my knowledge because the flow must return to >> the next item in the list that calls the subroutine. >> >> >> Can anyone share a solution to this issues please? >> >> thanks in advance for considering this >> TW Tones >> >> >> -- 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/a3067b56-39c8-46f4-bc1d-5e60805876fbn%40googlegroups.com.
