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

[Dudley Brooks]

On 4/5/12 5:51 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"
>
> oops. Try ...
>
>         sudo chmod 755 /usr/local/bin/octave
>         sudo chmod 755 /usr/local/bin/gnuplot

Ah!  I should have known!

OK, the chmod worked.  But now when I type "octave" (or "gnuplot"), 
nothing happens.