Hi Rich

> Question - How do I Link to another sites version number?

In general, there's no way for TiddlyWiki to retrieve the version number of
another TiddlyWiki document given it's URL. Depending on how the server is
set up, it may be possible for TW to retrieve the text of the wiki and then
extract the version number from it. The trouble is that that is quite a
slow operation, typically involving reading many megabytes over the network.

> How can I show the current version number listed at TiddlyWiki.com?

In the case of tiddlywiki.com, we could provide a special SVG image that
could be invoked like this:

\define check-version-inner()
[img[http://tiddlywiki.com/versioncheck.svg#$(current-version)$]]
\end

\define check-version()
<$set name="current-version" value=<<version>>>
<<check-version-inner>>
</$set>
\end

Invoking the <<check-version> macro would then display a green tick if the
wiki is up to date with the latest version from tiddlywiki.com, and a red
cross otherwise.

This approach makes use of a special SVG feature called fragment
identifiers. It allows the version number to be passed into the SVG file as
the fragment identifier (ie the part after the # in the link). The SVG file
would be updated with each TiddlyWiki release.

The trouble with doing all of this by default is that it has privacy
implications. It would mean that TiddlyWiki would be making trackable
network accesses whenever that version check is displayed.

Also, although it's useful for the author of a site to be able to tell that
a new version is available, it's not much use to users, who don't really
care if they are reading an out of date version of TiddlyWiki.

Best wishes

Jeremy.














On Sun, Dec 21, 2014 at 4:54 PM, andrew.j.harrison84 <
[email protected]> wrote:

> Maybe it might be possible using a macrocall?
>
>
>
>
> Sent from my Samsung Epicâ„¢ 4G Touch
>
> RichShumaker <[email protected]> wrote:
> I had other things I was thinking about as well.
> The other concept was that if you are sharing things and you need X
> Version in order to be able to share the browser could check the other TW
> first.
> Like a Ping but for Version.  So I guess a <<Version Ping>>.(yeah I
> remembered <<>> and not <>)
>
> Once you know the versions are compatible then you could Sync to them to
> allow you to 'Share' or vice versa.
> Push or Pull Posting - Hey you might like this, and I LOVE THAT!!!
> If they are not compatible then it just skips to the next TW.
>
> I think it was Eric in a recent hangout(I misquote people all the time as
> you know Tobias, #heheh) that said GitHub has become popular because of the
> 'social' aspects.
> Being able to have people 'share' content with 'trackback' will allow us
> to start to promote ourselves from inside TW.
> The eat your own dogfood concept that comes up a lot.
> Once People see all the buttery goodness we have they will be joining in
> quickly.
>
> Honestly the more I work with TW I wonder who is even close to this
> technology and the resounding answer is 'Nobody'.
> This goes to a question Jeremy asked, 'How do we promote TW?'
> I know about the poster contest(great idea) and I agree we need to tell
> Tech Writers and get them onboard.
> If we could simply talk between each other using TW, I think Jeremy calls
> it a Federated TiddlyWiki, that would make more people jump up and notice.
>
> The stuff I am creating is way more advanced then I thought I would ever
> be able to do that I am giddy.
> Looping Automatic Videos in a Tiddler that is pretty sweet, and possible.
>
> Rich Shumaker
>
> On Saturday, December 20, 2014 6:00:55 AM UTC-8, Tobias Beer wrote:
>>
>> Hi Rich,
>>
>>
>>> It would automagically read
>>> Your TW Ver 5.1.5
>>> Latest TW Ver 5.1.7
>>> That way you can visually tell if it is time to update.
>>> It is like a box that pops up telling you to upgrade but it never pops
>>> up and you don't get bothered, you do get all the details.
>>>
>>
>> That would sound like a smart thing to have. Perhaps a banner popping up
>> on top, automatically, us being able to deactivate it for this version...
>> until the next.
>>
>> Best wishes, Tobias.
>>
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-- 
Jeremy Ruston
mailto:[email protected]

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