Re: Uncheck Use GSM SAPI values via Script

[John Powell <jrp999 () gmail com>]

Thanx everyone this is most helpful!

On Wed, Oct 3, 2018 at 11:36 AM Guy Harris <guy () alum mit edu> wrote:

> On Oct 3, 2018, at 10:19 AM, Guy Harris <guy () alum mit edu> wrote:
>
> > If you were to create a global preferences file that sets it, that will
> forcibly turn that setting off for all users who don't have a personal
> preferences file or whose personal preferences file doesn't explicitly set
> it.  "Set" is the default for that preference, so newer versions of
> Wireshark will only have an entry for it in the personal preferences file
> if the user has un-set it.  (Older versions would write out preference
> settings even if they *don't* match the default.)
>
>         ...
>
> > That way, the initial setting for that option would be "unchecked".
>
> ...and the user won't be able to override that by editing their
> preferences, because the code in Wireshark that implements
>
> > "Set" is the default for that preference, so newer versions of Wireshark
> will only have an entry for it in the personal preferences file if the user
> has un-set it.
>
> treats the default as the initial setting in the dissector code; it
> doesn't take into account any changes made by the global preferences file.
>
> This is arguably a bug.
>
> And, for general reference on all OSes:
>
> The location of the global preference file is, on UN*Xes, the data file
> directory for the Wireshark installation.
>
> On all but one UN*X, this would probably be /usr/share/wireshark or
> /usr/local/share/wireshark; it might be different if whoever built
> Wireshark explicitly configured it to be differently, for example if they
> built a package to be installed under /opt.
>
> On macOS, Wireshark is normally built as an app bundle, and the data file
> directory is the Contents/Resources/share/wireshark/preferences
> subdirectory of the top-level app bundle directory.
>
> On Windows, the data file directory is the installation directory
> containing the Wireshark (and other) executables, e.g. C:\Program
> Files\Wireshark.
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