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

[Ben Abbott]

On Apr 6, 2012, at 8:19 AM, Ben Abbott wrote:

> On Apr 6, 2012, at 1:32 AM, Dudley Brooks wrote:
> 
>> On 4/5/12 6:32 PM, Ben Abbott wrote:
>> 
>>> 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"
>>> 
>>> Hmmm.
>>> 
>>> Try navigating the Finder to /usr/local/bin (you can use [Go ->  Go to 
>>> Folder] and then type in the path.
>>> 
>>> Once there do a "Get Info" on "/usr/local/bin/octave" and verify the 
>>> original is what it should be.
>> 
>> "Get Info" on the one (or ones -- octave and gnuplot) in /usr/local/bin/ 
>> doesn't show any reference at all to the one in Applications (which I assume 
>> is what you mean by "the original").
>> 
>> BTW, while I'd like to get the in-terminal invocation straightened out, I 
>> meanwhile started successfully calling octave.app from OS X, which opens the 
>> terminal and then successfully starts octave.
> 
> I've attached a png of what I see. Does your's also indicate "Kind" is 
> "Alias" and the original is 
> "/Applications/Octave.app/Contents/Resources/bin/octave" ?
> 
> You can get the same information from the shell prompt by ...
> 
> $ ls -l /usr/local/bin/octave
> lrwxr-xr-x  1 root  wheel  54 Mar 20 16:38 /usr/local/bin/octave -> 
> /Applications/Octave.app/Contents/Resources/bin/octave
> 
> If either /usr/local/bin/gnuplot and /usr/local/bin/gnuplot are not symbolic 
> links or their originals are not correct, then recreate them. The commands 
> below for creating the links will only work if Octave.app and gnuplot.app are 
> in the Applications folder when the links are created.
> 
>       sudo rm /usr/local/bin/gnuplot
> 
>       sudo rm /usr/local/bin/octave
> 
>       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
> <octave info.png>

Per Glenn's suggestion, try ...

        sudo ln -sf /Applications/gnuplot.app/Contents/Resources/bin/gnuplot 
/usr/local/bin/gnuplot

        sudo ln -s /Applications/Octave.app/Contents/Resources/bin/octave 
/usr/local/bin/octave

Ben