Re: confusion of local / private functions

[Ben Abbott]

On Sep 14, 2010, at 7:48 PM, Ben Abbott wrote:

> On Sep 14, 2010, at 11:15 AM, bpabbott wrote:
> 
>> I noticed a confusing feature/bug.
>> 
>> Rather than attempt a description, I've prepared an example.
>> 
>> octave:1> fid = fopen ("__gnuplot_has_terminal__.m", "w");
>> octave:2> fprintf (fid, "function [] = __gnuplot_has_terminal__ ()\n")
>> octave:3> fprintf (fid, "disp ('HELLO')\n")
>> octave:4> fprintf (fid, "endfunction\n")
>> octave:5> fclose (fid);
>> octave:6> plot (1:10)
>> octave:7> print test1.eps
>> octave:8> print test2.eps
>> HELLO
>> error: value on right hand side of assignment is undefined
>> error: called from:
>> error: 
>> /Users/bpabbott/Development/mercurial/local_clone/scripts/plot/gnuplot_drawnow.m
>>  at line 44, column 29
>> error: 
>> /Users/bpabbott/Development/mercurial/local_clone/scripts/plot/__gnuplot_print__.m
>>  at line 125, column 5
>> error: 
>> /Users/bpabbott/Development/mercurial/local_clone/scripts/plot/__gnuplot_print__.m
>>  at line 106, column 5
>> error: 
>> /Users/bpabbott/Development/mercurial/local_clone/scripts/plot/__gnuplot_print__.m
>>  at line 52, column 5
>> error: 
>> /Users/bpabbott/Development/mercurial/local_clone/scripts/plot/print.m at 
>> line 338, column 6
>> 
>> The first print command calls the private version, 
>> ../scripts/plot/private/__gnuplot_has_terminal__, is called. The second 
>> print command calles the local one.
>> 
>> I've attached a script, go.m. The first time it is run, there is no error. 
>> Running it again produce the error.
>> 
>> Is there a quick fix, or should I file a bug report?
>> 
>> Ben
> 
> After pulling with the tip below, and a fresh build  ...
> 
>       http://hg.savannah.gnu.org/hgweb/octave/rev/2d14817353a6
> 
> ... this problem is now gone for me.
> 
> Ben

I spoke too soon. My simple example no longer produces an error for me, but I'm 
still encountering it in other situations. I'll try to come up with another 
simple test.

In the event, someone else can repeat the failure above, please let me know.

Ben