GNU bug report logs - #61708
28.2; file-modes-symbolic-to-number inconsistency

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

From: Thierry Volpiatto <thievol <at> posteo.net>
To: bug-gnu-emacs <at> gnu.org
Subject: 28.2; file-modes-symbolic-to-number inconsistency
Date: Wed, 22 Feb 2023 13:49:08 +0000

Hello all,

It is unclear how to use MODES argument of
file-modes-symbolic-to-number, actually the correct way to use it is the
second example below, I found it by reading the read-file-modes code and
saw it removes all "-" to setup MODES arg to pass to
file-modes-symbolic-to-number. I was surprized to see the first example
is not supported, thus the docstring of file-modes-symbolic-to-number is
pretty unclear:

,----
| MODES is the string to convert, it should match
| "[ugoa]*([+-=][rwxXstugo]*)+,...".
`----

At least an example in docstring or manual would be welcome.

(format "%o" (file-modes-symbolic-to-number "u=rwx,g=r-x,o=---"))
"740"
(format "%o" (file-modes-symbolic-to-number "u=rwx,g=rx,o="))
"750"

Thanks.


In GNU Emacs 28.2 (build 1, x86_64-pc-linux-gnu, Motif Version 2.3.8, cairo version 1.16.0)
 of 2023-02-14 built on IPad-S340
Windowing system distributor 'The X.Org Foundation', version 11.0.12101003
System Description: Linux Mint 21.1

Configured using:
 'configure CFLAGS=-O8 --with-mailutils --with-cairo --without-dbus
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Configured features:
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<#secure method=pgpmime mode=sign>

-- 
Thierry

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