GNU bug report logs - #47809
emacs file:///

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Message #5 received at submit <at> debbugs.gnu.org (full text, mbox):

From: 積丹尼 Dan Jacobson <jidanni <at> jidanni.org>
To: bug-gnu-emacs <at> gnu.org
Subject: emacs file:///
Date: Fri, 16 Apr 2021 03:19:42 +0800

$ emacs file:///home/jidanni/jidanni.org/geo/house_numbering/presentation.html
File mode specification error: (file-missing Setting current directory No such file or directory /home/jidanni/file:/home/jidanni/jidanni.org/geo/house_numbering/)

Can't it be smarter?

Message #12 received at 47809-done <at> debbugs.gnu.org (full text, mbox):

From: Eli Zaretskii <eliz <at> gnu.org>
To: 積丹尼 Dan Jacobson <jidanni <at> jidanni.org>
Cc: 47809-done <at> debbugs.gnu.org
Subject: Re: bug#47809: emacs file:///
Date: Thu, 15 Apr 2021 22:29:47 +0300

tags 47809 notabug wontfix
thanks

> From: 積丹尼 Dan Jacobson
>  <jidanni <at> jidanni.org>
> Date: Fri, 16 Apr 2021 03:19:42 +0800
> 
> $ emacs file:///home/jidanni/jidanni.org/geo/house_numbering/presentation.html
> File mode specification error: (file-missing Setting current directory No such file or directory /home/jidanni/file:/home/jidanni/jidanni.org/geo/house_numbering/)

That's a URL, not a file.

Closing.

Message #15 received at 47809 <at> debbugs.gnu.org (full text, mbox):

From: Gregory Heytings <gregory <at> heytings.org>
To: 積丹尼 Dan Jacobson <jidanni <at> jidanni.org>
Cc: 47809 <at> debbugs.gnu.org
Subject: Re: bug#47809: emacs file:///
Date: Thu, 15 Apr 2021 19:40:58 +0000

>
> $ emacs file:///home/jidanni/jidanni.org/geo/house_numbering/presentation.html
>
> File mode specification error: (file-missing Setting current directory 
> No such file or directory 
> /home/jidanni/file:/home/jidanni/jidanni.org/geo/house_numbering/)
>
> Can't it be smarter?
>

emacs --eval '(ffap "file:///home/jidanni/jidanni.org/geo/house_numbering/presentation.html")

Message #20 received at 47809 <at> debbugs.gnu.org (full text, mbox):

From: Michael Albinus <michael.albinus <at> gmx.de>
To: 積丹尼 Dan Jacobson <jidanni <at> jidanni.org>
Cc: 47809 <at> debbugs.gnu.org
Subject: Re: bug#47809: emacs file:///
Date: Fri, 16 Apr 2021 09:40:13 +0200

積丹尼 Dan Jacobson <jidanni <at> jidanni.org> writes:

> $ emacs file:///home/jidanni/jidanni.org/geo/house_numbering/presentation.html
> File mode specification error: (file-missing Setting current directory No such file or directory /home/jidanni/file:/home/jidanni/jidanni.org/geo/house_numbering/)
>
> Can't it be smarter?

M-x url-handler-mode

Although it visits the file, there's a spurious "File exists, but cannot
be read" message, likely something goes wrong internally.

Best regards, Michael.

Message #23 received at 47809 <at> debbugs.gnu.org (full text, mbox):

From: 積丹尼 Dan Jacobson <jidanni <at> jidanni.org>
To: Michael Albinus <michael.albinus <at> gmx.de>
Cc: 47809 <at> debbugs.gnu.org
Subject: Re: bug#47809: emacs file:///
Date: Fri, 16 Apr 2021 19:38:35 +0800

Anyway, emacs is real powerful when it comes to the *ends* of the
arguments you give it.

It knows just the right modes for .../bla.pl vs. .../bla.html vs.
.../bla.txt vs. hundreds perhaps. Much smarter than the average
$BROWSER.

But emacs (-q) is totally baffled by the *front* ends of things you give
it. E.g., file:///somedir/right_under_your_nose is a big mystery to emacs.

$ $BROWSER file:$PWD/.emacs #No problem. Voosh. Butter.
$ emacs -q file:$PWD/.emacs #Totally baffled. Reminds me of
Waldo in https://www.youtube.com/watch?v=6M4_Ommfvv0
Van Halen - Hot For Teacher .

Nope, nobody told Waldo about the file: protocol all the other kids know about.

Message #26 received at 47809 <at> debbugs.gnu.org (full text, mbox):

From: Michael Albinus <michael.albinus <at> gmx.de>
To: 積丹尼 Dan Jacobson <jidanni <at> jidanni.org>
Cc: 47809 <at> debbugs.gnu.org
Subject: Re: bug#47809: emacs file:///
Date: Fri, 16 Apr 2021 14:14:28 +0200

積丹尼 Dan Jacobson <jidanni <at> jidanni.org> writes:

Hi Dan,

> Anyway, emacs is real powerful when it comes to the *ends* of the
> arguments you give it.
>
> It knows just the right modes for .../bla.pl vs. .../bla.html vs.
> .../bla.txt vs. hundreds perhaps. Much smarter than the average
> $BROWSER.
>
> But emacs (-q) is totally baffled by the *front* ends of things you give
> it. E.g., file:///somedir/right_under_your_nose is a big mystery to emacs.

The vast majority of Emacs users don't need this. Don't want this.

So it isn't the default, but you can configure it if you like.

> $ $BROWSER file:$PWD/.emacs #No problem. Voosh. Butter.
> $ emacs -q file:$PWD/.emacs #Totally baffled. Reminds me of
> Waldo in https://www.youtube.com/watch?v=6M4_Ommfvv0
> Van Halen - Hot For Teacher .
>
> Nope, nobody told Waldo about the file: protocol all the other kids know about.

Emacs is not a browser.

Best regards, Michael.

Message #29 received at 47809 <at> debbugs.gnu.org (full text, mbox):

From: Glenn Morris <rgm <at> gnu.org>
To: 47809 <at> debbugs.gnu.org
Subject: Re: bug#47809: emacs file:///
Date: Fri, 16 Apr 2021 12:43:25 -0400

FTR, this is a rehash of https://debbugs.gnu.org/40269.

OP often reports the same thing over and over.

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