[image: screenshot-converted-date.png]
On Monday, August 16, 2021 at 3:57:54 PM UTC-7 Mark S. wrote:
>
> So, did you add Eric's macro to your TW and verify it works? That would be
> the first step in trouble-shooting. Remember, after loading the convertdate
> macro, you have to save and reload your TW file.
>
> It worked for me without problem:
>
>
>
>
> On Monday, August 16, 2021 at 12:30:13 PM UTC-7 S² wrote:
>
>> Mark, thanks for feedback.
>>
>> The added 'published-tw' field is empty - no values:
>> [image: published-tw.png]
>>
>> Mark S. schrieb am Montag, 16. August 2021 um 20:31:28 UTC+2:
>>
>>> So what you really need is a filter operator that can do the conversion
>>> and be used inside a sortsub operator. @Eric ?
>>>
>>> If you're willing to use an "update" button, one solution would be a
>>> button that creates "published-tw" (date in TW format) fields for any
>>> tiddler that has a "published" field. Then you could have the TOC sort on
>>> the published-tw field. You would have to remember to periodically perform
>>> the "update" whenever you had data changes. This two-step approach makes
>>> certain activities in TW much easier to handle.
>>>
>>> So the code to update the field might look like:
>>>
>>> <$button>Update Publication Dates
>>> <$list filter="[has[published]]">
>>> <$wikify text="""<$macrocall $name=convertdate from={{!!published}}
>>> to="[UTC]YYYY0MM0DD0hh0mm0ss0XXX" />""" name=result >
>>> <$action-setfield $field=published-tw $value=<<result>> />
>>> </$wikify>
>>> </$list>
>>> </$button>
>>>
>>> Be sure to make a backup before trying this of course. Also, this
>>> assumes that you have the latest version of Eric's converdate macro
>>> installed.
>>>
>>>
>>> On Monday, August 16, 2021 at 3:37:26 AM UTC-7 S² wrote:
>>>
>>>> Hello,
>>>>
>>>> thanks for all input and effort.
>>>> It looks like it is not so easy...
>>>>
>>>> As I wrote, I use the text field ‘publish’ to add a date. (date
>>>> modified or created will not help me)
>>>>
>>>> This date can also be in the future.
>>>> Format is *T. MMMM JJJJ* - (eg. *7. April 2021* or *13. August 2021*)
>>>> – this is the long date in German (like "DDth MMM YYYY")
>>>>
>>>> 'published' is also shown in TOC:
>>>>
>>>> [image: TOC.png]
>>>>
>>>> Now asked for a way to sort TOC on ‘published’ instead of Tiddler title.
>>>>
>>>> The output should still be "DDth MMM YYYY"
>>>>
>>>> Thanks
>>>> Stefan
>>>> Eric Shulman schrieb am Montag, 16. August 2021 um 03:12:35 UTC+2:
>>>>
>>>>> On Sunday, August 15, 2021 at 4:47:47 PM UTC-7 Mark S. wrote:
>>>>>
>>>>>> Just tried
>>>>>> <<convertdate from:"7. April 2021" to:"[UTC]YYYY0MM0DD0hh0mm0ss0XXX">>
>>>>>> and got a hard RSOE ("from" not defined). I think the arguments need
>>>>>> to be tweaked in the macro.
>>>>>>
>>>>>
>>>>> OOPS! I had originally used "date" and "format" as the parameter
>>>>> names, but then I decided to change to using "from" and "to".
>>>>> Unfortunately, the arguments in the macro function declaration were still
>>>>> using "date" and "format", but internally, the macro code referenced
>>>>> "from"
>>>>> and "to" as intended. I've corrected the arguments in the macro function
>>>>> declaration and posted an update here:
>>>>>
>>>>> https://tiddlytools.com/timer.html#TiddlyTools%2FTime%2FConvertDate
>>>>>
>>>>> Thanks,
>>>>> -e
>>>>>
>>>>
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