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Full Discussion: UNIX cache problem?
Operating Systems OS X (Apple) UNIX cache problem? Post 302750691 by mattiasvdm on Thursday 3rd of January 2013 05:54:44 AM
Old 01-03-2013
Quote:
Originally Posted by xbin
Set your script in debug mode by adding set -x on the next line after the shebang. This will display the value of your variables.
Thanks, that comes in handy! But the results only show what I already knew. But I got a little further. I thought maybe it just needs more time. So I put 40 seconds after the installer command and now it did say version NEW. Then I changed it to 20 seconds and again version NEW. But when I changed it to 10 seconds it said version OLD.
The strange thing is that when I look at the actual .plugin in Finder during the installation, the version almost directly changes to NEW. After that the sleep command runs for 10 seconds. After the ten seconds it still reads out version OLD.

So somehow it does cache the information somewhere...

---------- Post updated 03-01-13 at 11:02 AM ---------- Previous update was 02-01-13 at 02:34 PM ----------

Oke,

So I found another workaround, not a real solution. The plugin has besides an Info.plist also a Version.plist. So I've done some testing.

If I use the CFBundleShortVersionString from the Version.plist for the installedversion as well as the newlyinstalledversion I get the same problem. But If I use the Version.plist for the installedversion and the Info.plist for the newlyinstalledversion then it works properly. Even without the 10 seconds sleep.

Since this script can be used for more software other than this plugin this is not a real solution. Because not all plugins or apps have the version.plist.

I also tried unset installedversion but that didn't help either...

---------- Post updated at 11:54 AM ---------- Previous update was at 11:02 AM ----------

I also found something in another post that maybe will help finding a solution:

Quote:
When you run a script or program, it gets a copy of your current environment. But the copy is unconnected. Change the child and the parent remains the same, and vice versa.
Last edited by mattiasvdm; 01-03-2013 at 06:51 AM..
 

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LEARN ABOUT NETBSD

hdaudioctl

HDAUDIOCTL(8)						    BSD System Manager's Manual 					     HDAUDIOCTL(8)

NAME

     hdaudioctl -- program to manipulate hdaudio(4) devices.

SYNOPSIS

     hdaudioctl [-f device] command [arguments]

DESCRIPTION

     The hdaudioctl command can be used to inspect and reconfigure High Definition Audio devices and their child codecs.

     The mandatory command argument specifies the action to take.  Valid commands are:

     list		For each child codec of the chosen hdaudio(4) device, display the nid, vendor, product, subsystem and device IDs.

     get codecid nid	Retrieve and display the current codec configuration as a proplib(3) XML plist.

     set codecid nid [plist]
			Detach the specified hdafg(4) codec and then re-attach with its widgets explicitly configured according to the specified
			plist.	If no plist is given, the in-built widget parsing rules based on the High Definition Audio specification will be
			used.

     graph codecid nid	Output a DOT file suitable processing by graphviz.  The resulting image will graphically show the structure and intercon-
			nections of the widgets that form the chosen hdafg(4) codec.

FILES

     /dev/hdaudioX  control devices

SEE ALSO

     audio(4), hdaudio(4), pkgsrc/graphics/graphviz

HISTORY

     The hdaudioctl command first appeared in NetBSD 5.1.

AUTHORS

     hdaudioctl is based on two separate programs written by Jared McNeill <jmcneill@NetBSD.org> under contract by
     Precedence Technologies Ltd <http://www.precedence.co.uk/>.  Integration into one program and writing this manual page was done by
     Stephen Borrill <sborrill@NetBSD.org>.

CAVEATS

     When a plist is loaded and the hdafg(4) codec reattaches, all mixer controls will be returned to their default values.

BSD
								  October 6, 2009							       BSD
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