-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA1
On 1/6/12 7:00 AM, Martin Costabel wrote:
> On 6/01/12 02:22, James Linder wrote:
>>
>> On 06/01/2012, at 5:07 AM,
>> fink-beginners-requ...@lists.sourceforge.net wrote:
>>
>>> I have found of a problem of gnuplot under Mac OS X 10.6.
>>>
>>> I can't use a "load" command which read data thru a pipe more
>>> than once.
>>>
>>> For example, following code does not work;
>>>
>>> load "< echo 'plot sin(x)'" load "< echo 'plot cos(x)'"
>>>
>>> After executing above code, the plot window for 'cos(x)' should
>>> remain. But 'cos(x)' will not be plotted and the plotting of
>>> 'sin(x)' will stay on the display.
>>>
>>> The gnuplot 4.4.x under Mac OS X 10.5 does not have such
>>> problem.
>>>
>>> Does anyone know the way to avoid this problem.
>>
>> linux version does work as expected, except you need to set term
>> x11 persist for the window to remain open. Thus this is a
>> mac-build and not a source-code issue (assuming
> []
>
> My bet is that this is a gnuplot bug. In the load command, it uses
> popen() to open a pipe for reading the output of the given shell
> command, but it closes it using fclose() instead of pclose(), which
> is a bug. This works purely by chance on linux and on MacOSX 10.5,
> but doesn't work on MacOSX 10.6 and 10.7.
>
> On MacOSX 10.5, where it 'works', if you issue several of these
> load "< echo 'plot sin(x)'" commands in gnuplot, you will see as
> many /bin/sh processes running. They only quit when you quit
> gnuplot.
>
> There is a simple patch that makes this work, but I don't know if
> it interferes with other uses of the "load" command:
>
> costabel% diff -U1 src/misc.c{~,} --- src/misc.c~ 2012-01-06
> 12:34:07.000000000 +0100 +++ src/misc.c 2012-01-06
> 12:34:57.000000000 +0100 @@ -303,3 +303,3 @@ */ - (void)
> fclose(lf->fp); + if (pclose(lf->fp)) (void) fclose(lf->fp);
> }
>
I've put Martin's fix into gnuplot-4.4.4-4, which should be available
shortly via "fink selfupdate".
- --
Alexander Hansen, Ph.D.
Fink User Liaison
http://finkakh.wordpress.com/
-----BEGIN PGP SIGNATURE-----
Version: GnuPG v1.4.11 (Darwin)
Comment: Using GnuPG with Mozilla - http://enigmail.mozdev.org/
iEYEARECAAYFAk8HKQIACgkQB8UpO3rKjQ8fBwCfSswxDsAsZ7Ph6SdPp+i423Oi
VPUAn2jaVa1x3QR7KQc+2rtTXgV9yHei
=sr4v
-----END PGP SIGNATURE-----
------------------------------------------------------------------------------
Ridiculously easy VDI. With Citrix VDI-in-a-Box, you don't need a complex
infrastructure or vast IT resources to deliver seamless, secure access to
virtual desktops. With this all-in-one solution, easily deploy virtual
desktops for less than the cost of PCs and save 60% on VDI infrastructure
costs. Try it free! http://p.sf.net/sfu/Citrix-VDIinabox
_______________________________________________
Fink-beginners mailing list
Fink-beginners@lists.sourceforge.net
List archive:
http://news.gmane.org/gmane.os.apple.fink.beginners
Subscription management:
https://lists.sourceforge.net/lists/listinfo/fink-beginners
