Re: Can't get octave to run on Mac OS X 10.6.8

[Ben Abbott]

On Apr 5, 2012, at 8:44 PM, Dudley Brooks wrote:

> On 4/5/12 4:28 PM, Ben Abbott wrote:
>> On Apr 5, 2012, at 7:14 PM, Ben Abbott wrote:
>> 
>>> On Apr 5, 2012, at 6:12 PM, Dudley Brooks wrote:
>>> 
>>>> On 4/5/12 2:47 PM, Ben Abbott wrote:
>>>>> 
>>>>> On Apr 5, 2012, at 5:44 PM, Dudley Brooks wrote:
>>>>> 
>>>>>> On 4/5/12 2:35 PM, Ben Abbott wrote:
>>>>>>> 
>>>>>>> On Apr 5, 2012, at 5:17 PM, Dudley Brooks wrote:
>>>>>>> 
>>>>>>>> On 4/5/12 1:40 PM, Ben Abbott wrote:
>>>>>>>> 
>>>>>>>>> On Apr 5, 2012, at 4:28 PM, Dudley Brooks wrote:
>>>>>>>>> 
>>>>>>>>>> I followed all the instructions on the page
>>>>>>>>>> 
>>>>>>>>>> http://www.octave.org/wiki/index.php?title=Installing_MacOS_X_Bundle
>>>>>>>>>> 
>>>>>>>>>> 
>>>>>>>>>> 
>>>>>>>>>> Specifically:
>>>>>>>>>> 
>>>>>>>>>> sudo touch /usr/local/bin/gnuplot
>>>>>>>>>> 
>>>>>>>>>>      sudo ln -s 
>>>>>>>>>> /Applications/gnuplot.app/Contents/Resources/bin/gnuplot
>>>>>>>>>> /usr/local/bin/gnuplot
>>>>>>>>>> 
>>>>>>>>>>      sudo touch /usr/local/bin/octave
>>>>>>>>>> 
>>>>>>>>>>      sudo ln -s 
>>>>>>>>>> /Applications/Octave.app/Contents/Resources/bin/octave
>>>>>>>>>> /usr/local/bin/octave
>>>>>>>>>> 
>>>>>>>>>> But when I typed
>>>>>>>>>> 
>>>>>>>>>>      octave
>>>>>>>>>> 
>>>>>>>>>> I got "permission denied".
>>>>>>>>>> 
>>>>>>>>>> Nevertheless, when I typed
>>>>>>>>>> 
>>>>>>>>>>      env
>>>>>>>>>> 
>>>>>>>>>> I found that /usr/local/bin *is* in PATH
>>>>>>>>>> 
>>>>>>>>>> The next instructions said that I should then e-mail here.
>>>>>>>>>> Suggestions?  Thanks.
>>>>>>>>> 
>>>>>>>>> Please verify you get the following.
>>>>>>>>> 
>>>>>>>>>       ls -l /Applications/Octave.app/Contents/Resources/bin/octave
>>>>>>>>>       -rwxrwxrwx  1 bpabbott  admin  2968 Apr 21  2011
>>>>>>>>> /Applications/Octave.app/Contents/Resources/bin/octave
>>>>>>>> 
>>>>>>>> It's there, and so is gnuplot.  They both show up, with the correct 
>>>>>>>> permissions.  One small question, since my unix is rusty:  octave 
>>>>>>>> shows -rwxrwxrwx and gnuplot shows -rwxrwxrwx@ -- what's the 
>>>>>>>> difference?
>>>>>>>> 
>>>>>>>> And I don't understand: if it's -rwxrwxrwx, how can there be 
>>>>>>>> "permission denied"?
>>>>>>> 
>>>>>>> Ok. Now try to run Octave without the link. Just type the part below at 
>>>>>>> the shell prompt.
>>>>>>> 
>>>>>>>         /Applications/Octave.app/Contents/Resources/bin/octave
>>>>>> 
>>>>>> OK, that works.
>>>>> 
>>>>> Ok. Now fix the links. First, delete the old ones.
>>>>> 
>>>>>   sudo rm /usr/local/bin/gnuplot
>>>>>   sudo rm /usr/local/bin/octave
>>>>> 
>>>>> ... and then recreate them.
>>>>> 
>>>>>   sudo touch /usr/local/bin/gnuplot
>>>>> 
>>>>>   sudo ln -s /Applications/gnuplot.app/Contents/Resources/bin/gnuplot 
>>>>> /usr/local/bin/gnuplot
>>>>> 
>>>>>   sudo touch /usr/local/bin/octave
>>>>> 
>>>>>   sudo ln -s /Applications/Octave.app/Contents/Resources/bin/octave 
>>>>> /usr/local/bin/octave
>>>>> 
>>>>> Ben
>>>> 
>>>> I notice that ls -l /usr/local/bin/octave gives -rw-r--r--  Evidently 
>>>> that's where the execute permission is denied.  But why is it that way?  
>>>> Can I merely do a chmod?
>>> 
>>> ok. Try ...
>>> 
>>>     chmod 755 /usr/local/bin/octave
>>>     chmod 755 /usr/local/bin/gnuplot
>>> 
>>> Ben
>> 
>> I've added this part to the wiki. Please confirm this works for you.
> 
> Nope.  I got
> 
> "chmod: Unable to change file mode on /usr/local/bin/octave: Operation not 
> permitted"
> 
> "Unable to change file mode on /usr/local/bin/gnuplot: Operation not 
> permitted"

oops. Try ...

        sudo chmod 755 /usr/local/bin/octave
        sudo chmod 755 /usr/local/bin/gnuplot

Ben