How to? --- APPEND one tiddler "text" to another? #append

[@TiddlyTweeter]

The use case is you create a tiddler and realise it would  be better added to another (not via transclusion, rather, the literal content of "text" is appended to another Tiddler's "text" field.).

Do you know how to do this?

Any tips appreciated.

Best wishes

Josiah

[@TiddlyTweeter]

Repeat for email ...

[Mohammad]

Hi Josiah,

 You may like the below macro!

\define append-text(tidTitle, text:"", btnLabel:"Append Text", sep:"<br>")
<$button> $btnLabel$
<$list variable="newText" filter="[<__tidTitle__>get[text]addsuffix<__sep__>addsuffix<__text__>]" >
<$action-setfield $tiddler=<<__tidTitle__>> text=<<newText>> />
</$list>
</$button>
\end

Examples

Test on Tiddlywiki.com. Create two tiddlers, titles TidA and TidB

Example 1:

<<append-text tidTitle:"Tidb" text:"This is another text">>

Example 2:

<$macrocall $name=append-text tidTitle="TidB" text={{TidA}} sep=" " />

Remarks

Note changing a field needs some kind of triggering widgets! So, here I used a button!

• tidTitle gets the title of tiddler you want to append text to it
• text the text to be appended
• btnLabel: the label for button
• sep: the separator is used when appending text to end of the text of tiddler

If you want to append text of a base tiddler use syntax of example 2.

I hope other people gives their solutions, comment for a better and more concise macro!

--Mohammad

[@TiddlyTweeter]

Thanks for the quick response! Very useful tool!

It works well except that if the target Tiddler (in the example TidB) has an empty text field it won't get appended to. 

Is there a way to get the append working even if the text field is empty?

Many thanks!

Josiah

Mohammad wrote:

 You may like the below macro!

\define append-text(tidTitle, text:"", btnLabel:"Append Text", sep:"<br>")
<$button> $btnLabel$
<$list variable="newText" filter="[<__tidTitle__>get[text]addsuffix<__sep__>addsuffix<__text__>]" >
<$action-setfield $tiddler=<<__tidTitle__>> text=<<newText>> />
</$list>
</$button>
\end

Examples

Test on Tiddlywiki.com. Create two tiddlers, titles TidA and TidB

Example 1:

<<append-text tidTitle:"TidB" text:"This is another text">>



Example 2:

<$macrocall $name=append-text tidTitle="TidB" text={{TidA}} sep=" " /

>

[Mohammad]

Hi Josiah!

 This new version works ALSO with empty tiddlers

\define append-text(tidTitle, text:"", btnLabel:"Append Text", sep:"<br>")

<$button> $btnLabel$

<$list variable="newText" filter="[<__tidTitle__>get[text]addsuffix<__sep__>addsuffix<__text__>]" emptyMessage="""<$action-setfield $tiddler=<<__tidTitle__>> text=<<__text__>> />""" >

<$action-setfield $tiddler=<<__tidTitle__>> text=<<newText>> />

</$list>

</$button>

\end

[@TiddlyTweeter]

Thanks Mohammad!

Very good. And excellent it silently creates the target tiddler if it doesn't exist. Exactly what I needed.

Best wishes

Josiah

[Mohammad]

Hi Josiah!

 I don't know if this is a bug or a feature, but action-setfield will create tiddler if it does not exist!

Glad you like it!

--Mohammad

[Mohammad]

Added to Yazd!

--Mohammad

[S. S.]

Nice macro Mohammad! Works perfectly for a few random tests I made.

[Mohammad]

Hi S.S.

 I tried to prevent appending text to a NOT existing Tiddler (As Josiah noted above), but seems code gets too complicated!
Seems action-setfiled works to create tiddler if not existed and from programming point of view, I expect to warn and NOT to do that!

--Mohammad

[Pit.W.]

Mohammad,

for more than a year I have been trying to exactly this working.

Thanks a lot!

Pit

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[Mohammad]

Hello Pit,

 Happy it is working for you! 

This is documented in TWScripts.

Cheers

Mohammad