[OS X TeX] Error: I can't write on file '(name)'

Alain Schremmer Schremmer.Alain at gmail.com
Thu Mar 22 05:41:53 CET 2007

Peter Dyballa wrote:

> Am 21.03.2007 um 14:27 schrieb Alain Schremmer:
>> How do I change the "writing permission for its directory"?
> For example by creating a new folder and copying all the old files 
> from the old folder into the new folder. And by copying I Opt- 
> dragging the files.

I tried everything that was suggested and I am still getting the same 
message and this is an exact copy of a folder in whch every file works 
fine on the desktop. I have a feeling that the permission thing is a red 

Here is the message.

    No file 049.aux
    loading: : Context Support Macros / Miscellaneous (2004 10 26)
    )/usr/local/teTex/bin/powerpc-apple-darwin-current/pdflatex: Not
    writing to ../ChapterEdit/049.aux
    (openout_any = p)

    !I can't write on file ../ChapterEdit/049.aux'.
    \@include ..\immediate \openout\@partaux#1.aux
    \immediate \write \@partauÂ…
    l.34 \include{../ChaptersEDIT/\jobname}

Now I just noticed that Companion 2ed says:

    On some TeX implementations (e.g. those on the TeXLive CD), the
    error may be preceded by a line like the following

        tex: Not writing to /texmf/tex/latex/base/latex.ltx (openout_any
        = p)

    These TeX installations are by default configured to be "paranoïd"
    (hence "p" above) when writing to files. They allow you to write
    only to files below the current directory and /not/ to any files
    specified with an absolute path name or starting with a dot in their
    name. To change that behaviour you have to modify the settings in
    the file texmf.cnf

So, it looks to me like this is it but then I have no idea what 
modification to do and how to do it and even where the file texmf.cnf 
is. I can see a terminal experience looming ahead though. I am seriously 
considering throwing the portable away. :'(

Hopeful regards

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