Re: ~/.octaverc overwrites OCTAVE_PATH!!

[Rosen Diankov]

It doesn't work, the ~/.octaverc file overwrites any paths from
OCTAVE_PATH, -p, or --path because savepath directly calls path. it
would be great if at least it called addpath.

rosen,

2008/12/21 Ben Abbott <address@hidden>:
>
> On Dec 21, 2008, at 3:38 PM, Rosen Diankov wrote:
>
>> Hi all,
>>
>> I'm trying to append my own directory with octave files
>> (/usr/local/myoctavefiles) to the automatically set octave paths. At
>> first, I tried doing
>>
>> export OCTAVE_PATH=/usr/local/myoctavefiles
>>
>> but it didn't work since the auto-generated ~/.octaverc file (from
>> savepath) overwrites any added paths via the path function. Ie, the
>> ~/.octaverc file looks like:
>>
>> ## Begin savepath auto-created section, do not edit
>>  path ('/usr/local/share/...',...)
>> ## End savepath auto-created section
>>
>> So the next obvious thing to do was to call
>> addpath('/usr/local/myoctavefiles') right after the '## End savepath
>> ...', but this has a very dangerous side-effect. The problem is that
>> the next time the user calls 'savepath', it will put
>> /usr/local/myoctavefiles inside the auto-generated code. And even if I
>> remove my addpath or set OCTAVE_PATH to something different, my path
>> will remain added to the octave path!
>>
>> So I propose a small savepath change that always puts
>> getenv('OCTAVE_PATH') inside the auto-generated code.
>> It would be great if this makes it into octave 3.0.4
>>
>> thank you,
>> rosen diankov
>
> If I understand you correctly you'd like to be able to dynamically add a
> specific path when octave is run. Have you looked at the command line
> options. For example,
>
>        octave --path "/usr/local/myoctavefiles"
>
> Other command line options are detailed at the link below.
>
>
>  
> http://www.gnu.org/software/octave/doc/interpreter/Command-Line-Options.html#Command-Line-Options
>
> Ben
>
>