* Need `format' with position numbers
@ 2022-09-15 22:57 Jean Louis
2022-09-16 6:09 ` [SOLVED] " Jean Louis
0 siblings, 1 reply; 2+ messages in thread
From: Jean Louis @ 2022-09-15 22:57 UTC (permalink / raw)
To: Help GNU Emacs
In Lisp and the command `format' does not have positioning number,
order of arguments is static:
(format "%s %s %s" name link description)
and I would like to have positioning such as in PostgreSQL:
"WHERE link = $2 AND name = $1" name link
This is because arbitrary formats for command `format' may come in the
system I am building, it is not predictable how users would like to
place name, link, description in various markup languages.
Maybe there exists different `format' command that uses position
numbers in some package?
Jean
Take action in Free Software Foundation campaigns:
https://www.fsf.org/campaigns
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^ permalink raw reply [flat|nested] 2+ messages in thread
* [SOLVED] Re: Need `format' with position numbers
2022-09-15 22:57 Need `format' with position numbers Jean Louis
@ 2022-09-16 6:09 ` Jean Louis
0 siblings, 0 replies; 2+ messages in thread
From: Jean Louis @ 2022-09-16 6:09 UTC (permalink / raw)
To: help-gnu-emacs
* Jean Louis <bugs@gnu.support> [2022-09-16 02:00]:
> In Lisp and the command `format' does not have positioning number,
> order of arguments is static:
>
> (format "%s %s %s" name link description)
>
> and I would like to have positioning such as in PostgreSQL:
>
> "WHERE link = $2 AND name = $1" name link
>
> This is because arbitrary formats for command `format' may come in the
> system I am building, it is not predictable how users would like to
> place name, link, description in various markup languages.
>
> Maybe there exists different `format' command that uses position
> numbers in some package?
I have solved it by using my package:
RCD Template Interpolation System for Emacs:
https://hyperscope.link/3/7/1/3/3/RCD-Template-Interpolation-System-for-Emacs.html
Like this:
(defun wrs-markup-type-link (id link &optional name description)
"Return LINK formatted by markup type ID.
Optional NAME and DESCRIPTION."
(let ((format (rcd-db-table-markuptypes-link-format id)))
(rcd-dlet ((rcd::name name)
(rcd::link link)
(rcd::description description))
(rcd-template-eval format))))
and by having `format' as template, something like this:
⟦ (cond (rcd::description (format "[%s](%s \"%s\") - %s" rcd::name rcd::link rcd::name rcd::description))
(rcd::name (format "[%s](%s \"%s\")" rcd::name rcd::link rcd::name))
(t (format "<%s>" rcd::link))) ⟧
--
Jean
Take action in Free Software Foundation campaigns:
https://www.fsf.org/campaigns
In support of Richard M. Stallman
https://stallmansupport.org/
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2022-09-15 22:57 Need `format' with position numbers Jean Louis
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