Dear David,

Thank you very much for your efforts.

Please tell me if I can help you.

Regards,
Ulrich



> Am 04.07.2019 um 16:38 schrieb Ulrich Vollert <ulr...@gmx.de>:
> 
> Hi David,
> 
> The file graphview.svg contains a svg-drawing: a circled letter 'a' pointing 
> to a circled letter ‚b' which I added to my email, but the png-image was 
> removed from my email.
> 
> I assume that this svg-file is the expected answer. 
> 
> So, I assume that dot is working as expected and without errors.
> 
> To answer your question completely: 
> 
> The command ldd under Linux is not available on a Mac, but 'otool -L‘ gives 
> similar answers:
> 
> /usr/local/bin/dot:
>       /usr/local/Cellar/graphviz/2.40.1_1/lib/libgvc.6.dylib (compatibility 
> version 7.0.0, current version 7.0.0)
>       /usr/local/opt/libtool/lib/libltdl.7.dylib (compatibility version 
> 11.0.0, current version 11.1.0)
>       /usr/local/Cellar/graphviz/2.40.1_1/lib/libxdot.4.dylib (compatibility 
> version 5.0.0, current version 5.0.0)
>       /usr/local/Cellar/graphviz/2.40.1_1/lib/libcgraph.6.dylib 
> (compatibility version 7.0.0, current version 7.0.0)
>       /usr/local/Cellar/graphviz/2.40.1_1/lib/libpathplan.4.dylib 
> (compatibility version 5.0.0, current version 5.0.0)
>       /usr/lib/libexpat.1.dylib (compatibility version 7.0.0, current version 
> 8.0.0)
>       /usr/lib/libz.1.dylib (compatibility version 1.0.0, current version 
> 1.2.11)
>       /usr/lib/libSystem.B.dylib (compatibility version 1.0.0, current 
> version 1252.200.5)
>       /usr/local/Cellar/graphviz/2.40.1_1/lib/libcdt.5.dylib (compatibility 
> version 6.0.0, current version 6.0.0)
> 
> Regards,
> Ulrich
> 
>> Am 04.07.2019 um 14:36 schrieb David Mitchell <davidmitch...@att.net>:
>> 
>> Your message seems to be truncated.  Does that mean that the .svg outoput 
>> file was created, but is empty?
>> 
>> I have two other suggestions.
>> 
>> You could try putting a space after the -o and before the file name.
>> 
>> Also, you could try:
>> 
>> ldd /usr/local/bin/dot
>> 
>> to see if all needed libraries are available.
>> 
>> All the best,
>> David Mitchell
>> On 7/3/2019 15:51, Ulrich Vollert wrote:
>>> The svg file contains
>>>> Am 03.07.2019 um 21:28 schrieb David Mitchell <davidmitch...@att.net>:
>>>> 
>>>> Hi Ulrich,
>>>> 
>>>> Could you please try copying and pasting the value of spawn_arg_base_ to a 
>>>> console window and running it?  You may get more interesting error 
>>>> messages.
>>>> 
>>>> Thanks,
>>>> David Mitchell
>>>> 
>>>> On 7/3/2019 15:08, Ulrich Vollert wrote:
>>>>> graphview 'digraph G { a->b }',LF
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