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Re: [XEmacs] Tramp Bug? -- Nachtrag

From: Kai Großjohann
Subject: Re: [XEmacs] Tramp Bug? -- Nachtrag
Date: Mon, 23 Sep 2002 22:19:58 +0200
User-agent: Gnus/5.090008 (Oort Gnus v0.08) Emacs/21.3.50 (i686-pc-linux-gnu)

Mark Trettin <address@hidden> writes:

> Folgendes illustriert den Fehler:
> ,----
> | beldin:/dev # ll null
> | crw-rw-rw-    1 root     root       1,   3 Jun 17  2001 null
> | beldin:/dev # echo blah | mimencode >/dev/null
> | beldin:/dev # ll null
> | crw-------    1 root     root       1,   3 Jun 17  2001 null
> `----

Folks, I need your help.  As you know, Tramp tries to find out
whether various inline coding commands work.  During this, it
executes something like

    echo xyzzy | mimencode -b | mimencode -b -u >/dev/null

When this is done as root, the permissions of /dev/null change!  (See

Isn't this really really strange?

Do you have a suggestion what to do?  Hm.  Well maybe the best
solution is not to redirect standard output and to hope that the
output does not contain the string "tramp_exit_status" (that string
is used to find the value of $? which tells us whether the command
was successful).


(I think programs shouldn't be allowed to frob permissions of files
that output gets redirected to, especially not /dev/null.  Oh, well.)

~/.signature is: umop 3p!sdn    (Frank Nobis)

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