RE: Newlines in file names

[Doug Lewan <dougl@shubertticketing.com>]

What version of emacs are you using?

I don't have such problems in version 24, but I do remember dired using a regular expression that wouldn't match such uncommon names in earlier versions.

,Douglas
Douglas Lewan
Shubert Ticketing
(201) 489-8600 ext 224

When I do good, I feel good. When I do bad, I feel bad and that's my religion. - Abraham Lincoln


> -----Original Message-----
> From: help-gnu-emacs-bounces+dougl=shubertticketing.com@gnu.org
> [mailto:help-gnu-emacs-bounces+dougl=shubertticketing.com@gnu.org] On
> Behalf Of Whitfield Diffie
> Sent: Monday, 2012 December 10 14:48
> To: help-gnu-emacs@gnu.org
> Subject: Newlines in file names
> 
> Question: How do you translate a filename containing a newline to one
> containing
>           a \n without getting a \\n.
> 
> Problem: Create a directory ``test''.
> 
>          In the directory create a file with (call-process "touch" nil
> nil nil "Icon\n").
>          This file's name has five characters of which the last is a
> newline. (Such files
>          appear in some downloads.)
> 
>          This directory now appears as
> 
>                 /Users/diffie/test:
>                 total used in directory 0 available 327738716
>                 drwxr-xr-x   3 diffie  staff  102 Dec 10 11:04 .
>                 drwxr-xr-x  25 diffie  staff  850 Dec 10 11:03 ..
>                 -rw-r--r--   1 diffie  staff    0 Dec  9 10:01 Icon
> 
>          Place the cursor on the line with the Icon file and type
> 
>                 <esc>: (file-exists-p (dired get filename))
> 
>          The response is ``nil''.
> 
>          Make the buffer writable with <ctrl-x><ctrl-q> and edit the
>          name by hand to ``Icon\n''.  Type
> 
>                 <esc>: (file-exists-p (dired-get-filename))
> 
>          The response is now ``t''.
> 
>          Type g to revert the buffer and the name returns to being
> ``Icon''.
> 
>          Place the cursor on the line with the Icon file again and type
> 
>                 M+x
> 
>          The entire file line disappears leaving only . and ..  in the
> directory.
> 
>          Type g to revert the buffer and the line reappears but the
> file
>          has not become executable.
> 
>          Edit the filename as before and repeat the attempt to make it
> executable.
> 
>          Now the file line becomes
> 
>                 -rwxr-xr-x   1 diffie  staff    0 Dec  9 10:01 Icon
> 
>          The file has become executable but its name has returned to
> being
>          ``Icon'', lacks the newline character.
> 
> Objective: Repair dired so that filenames containing newlines are
> displayed
>            with \n in place of newline characters (and \r in place of
> carriage
>            returns).
> 
>            I have tried setting print-escape-newlines to t and recoding
>            filename with buffer-file-coding-system, file-name-coding-
> system,
>            and default-file-name-coding-system, without success.
> 
> 
>                                              Whit