From: Adam Porter <adam@alphapapa.net>
To: raman@google.com
Cc: emacs-devel@gnu.org
Subject: Re: Howto: Retrieve only URL metadata
Date: Tue, 26 Mar 2024 23:17:22 -0500 [thread overview]
Message-ID: <52f4e345-b805-455b-9ec6-2907d3d1315a@alphapapa.net> (raw)
In-Reply-To: <26115.36206.776145.115534@google.com>
> Is there a light-weight means of just retrieving URL metadata given a
> URL using the url package in Emacs?
>
> Note: I know how to do that using Curl and parsing the output from a
> HEAD method call; am looking for a pure elisp solution
FYI, if you'll forgive the transgression, since plz.el is in ELPA and
"part of Emacs", here's a simple way to do it:
(plz-response-headers
(plz 'head
"https://lists.gnu.org/archive/html/emacs-devel/2024-03/msg00670.html"
:as 'response))
;; ((date . "Wed, 27 Mar 2024 04:11:27 GMT")
;; (server . "Apache/2.4.29 (Trisquel_GNU/Linux)")
;; (strict-transport-security . "max-age=63072000;
includeSubDomains; preload")
;; (x-frame-options . "sameorigin")
;; (x-content-type-options . "nosniff")
;; (last-modified . "Wed, 27 Mar 2024 03:44:54 GMT")
;; (etag . "\"1472-6149c3ac97980-gzip\"")
;; (accept-ranges . "bytes")
;; (vary . "Accept-Encoding")
;; (content-encoding . "gzip")
;; (content-length . "2022")
;; (content-type . "text/html"))
A future version will probably simplify that, returning the alist of
headers directly for calling:
(plz 'head URL)
next prev parent reply other threads:[~2024-03-27 4:17 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-03-27 3:07 Howto: Retrieve only URL metadata T.V Raman
2024-03-27 3:44 ` Tim Landscheidt
2024-03-27 4:17 ` Adam Porter [this message]
2024-03-27 13:32 ` T.V Raman
2024-03-28 2:42 ` T.V Raman
2024-03-28 10:35 ` Adam Porter
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=52f4e345-b805-455b-9ec6-2907d3d1315a@alphapapa.net \
--to=adam@alphapapa.net \
--cc=emacs-devel@gnu.org \
--cc=raman@google.com \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
Code repositories for project(s) associated with this external index
https://git.savannah.gnu.org/cgit/emacs.git
https://git.savannah.gnu.org/cgit/emacs/org-mode.git
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.