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bug#13013: 24.3.50; Windows XP bug? get-file-buffer, file-name-as-direct
From: |
Jambunathan K |
Subject: |
bug#13013: 24.3.50; Windows XP bug? get-file-buffer, file-name-as-directory |
Date: |
Tue, 27 Nov 2012 22:54:57 +0530 |
This report is a digest of following thread:
http://www.mail-archive.com/emacs-orgmode@gnu.org/msg62455.html.
The problem is because of Emacs mangling file paths like this on Windows
XP.
"c:/DOCUME~1/IZAHN/LOCALS~1/Temp/odt-8052VuJ/"
"c:/Documents and Settings/IZAHN/Local
Settings/Temp/odt-8052VuJ/content.xml"
The problem is better explained with ielm session below.
Create a ielm buffer with
M-x ielm RET
and type out the following 4 lisp forms ONE-by-ONE.
(setq org-e-odt-zip-dir (file-name-as-directory (make-temp-file "odt-" t)))
(with-current-buffer (find-file-noselect (concat org-e-odt-zip-dir
"content.xml") t) (buffer-file-name))
(with-current-buffer (get-file-buffer (concat org-e-odt-zip-dir
"content.xml")) (save-buffer 0))
(get-file-buffer (concat org-e-odt-zip-dir "content.xml"))
Here is what Ista reports:
*** Welcome to IELM *** Type (describe-mode) for help.
ELISP> (setq org-e-odt-zip-dir (file-name-as-directory (make-temp-file
"odt-" t)))
"c:/DOCUME~1/IZAHN/LOCALS~1/Temp/odt-8052VuJ/"
ELISP> (with-current-buffer (find-file-noselect (concat
org-e-odt-zip-dir "content.xml") t) (buffer-file-name))
"c:/Documents and Settings/IZAHN/Local
Settings/Temp/odt-8052VuJ/content.xml"
ELISP> (with-current-buffer (get-file-buffer (concat org-e-odt-zip-dir
"content.xml")) (save-buffer 0))
*** Eval error *** Wrong type argument: stringp, nil
ELISP> (get-file-buffer (concat org-e-odt-zip-dir "content.xml"))
nil
ELISP>
I am surprised that `get-file-buffer' is returning nil. Why is there a
mismatch between file names as reported by `file-name-as-directory' and
`buffer-file-name'.
The problem is seen with Ista's machine (CCed here) with the following
setup.
,----
| GNU Emacs 24.2.1 (i386-mingw-nt5.1.2600) of 2012-08-28 on MARVIN
|
| I have cygwin installed, but emacs is the windows version from
| http://ftp.gnu.org/gnu/emacs/windows/
|
| The OS is Windows XP professional with service pack 3.
`----
Apparently the problem is not seen with either here or
,----
| Windows 7
| GNU Emacs 24.2.1 (i386-mingw-nt6.1.7601) of 2012-08-29 on MARVIN
`----
here
,----
| GNU Emacs 24.2.1 (i386-mingw-nt6.1.7601) of 2012-08-29 on MARVIN
| Windows 7
`----
- bug#13013: 24.3.50; Windows XP bug? get-file-buffer, file-name-as-directory,
Jambunathan K <=