Re: Any reason not to generate my own custom ID value (NOT CUSTOM_ID)?

[Ihor Radchenko]

> However, I just (strongly) prefer the shorter "ISO-like" ID for many
> reasons, as already mentioned (shorter, meaningful, etc.).  I just find
> that style much, much more elegant.

I guess it does not take much to add this functionality.

Patch attached.

Best,
Ihor

>From 6f2fff0cb7ce294d863ee0527463e5713a790078 Mon Sep 17 00:00:00 2001
From: Ihor Radchenko <yantar92@gmail.com>
Date: Fri, 11 Sep 2020 15:42:53 +0800
Subject: [PATCH] Allow customised ID format for `ts' `org-id-method'

Introduce new custom variable `org-id-ts-format' defining the ID
format for `ts' ID generation method.  The default value is the same
as old hard-coded ID format string.
---
 lisp/org-id.el | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/lisp/org-id.el b/lisp/org-id.el
index f8af52964..512703269 100644
--- a/lisp/org-id.el
+++ b/lisp/org-id.el
@@ -128,6 +128,10 @@ nil   Never use an ID to make a link, instead link using a 
text search for
   :group 'org-id
   :type 'string)
 
+(defcustom org-id-ts-format "%Y%m%dT%H%M%S.%6N"
+  "Default format for IDs generated using `ts' `org-id-method'.
+The format should be suitable to pass as an argument to `format-time-string'.")
+
 (defcustom org-id-method 'uuid
   "The method that should be used to create new IDs.
 
@@ -380,7 +384,7 @@ So a typical ID could look like \"Org:4nd91V40HI\"."
                            (concat "@" (message-make-fqdn))))))
        (setq unique (concat etime postfix))))
      ((eq org-id-method 'ts)
-      (let ((ts (format-time-string "%Y%m%dT%H%M%S.%6N"))
+      (let ((ts (format-time-string org-id-ts-format))
            (postfix (if org-id-include-domain
                         (progn
                           (require 'message)
-- 
2.26.2


TRS-80 <trs-80@isnotmyreal.name> writes:

> On 2020-09-10 21:06, Ihor Radchenko wrote:
>>> I do appreciate all the replies so far.  However as I plan on relying
>>> on this to implement some quite critical functionality for a package I
>>> am working on (a sort of Zettelkasten / TiddlyWiki in Orgmode if you
>>> will) I would feel a lot more comfortable with some additional
>>> reassurences that what I am planning is not some crazy or bad idea.
>> 
>> Is there any particular reason why you even need to display :ID: value 
>> to
>> the user? If only id: links are concerned, link description can be made
>> short and human-readable.
>> 
>> Best,
>> Ihor
>
> Yes, most of the time I expect I will be using Orgmode double bracket 
> style
> links which will, as you say, hide the id: from the user, allowing to
> replace it with whatever desired text in the form of the link 
> description.
>
> However, I just (strongly) prefer the shorter "ISO-like" ID for many
> reasons, as already mentioned (shorter, meaningful, etc.).  I just find
> that style much, much more elegant.
>
> Besides, as an ID, they are plenty "Unique" for my use case, with the
> default minute resolution (however even that, is configurable in my
> implementation, by way of a time-format variable, should anyone need 
> more).
>
> I suppose if we ever get to a world where people start linking to each
> others' individual publicly published zettel, I may regret the decision.
> However Ted Nelson has already been working on such a thing for some
> decades already, and we are still not there yet, so I don't think I will
> need to worry about that any time soon.  ;)  Even if so, it would be a 
> very
> small implementation change anyway.
>
> Cheers,
> TRS-80