On Jul 29, 2018, at 8:52 AM, Roland Knall <[email protected]> wrote:

> The main intent for extcap-version was to provide a way, so that we can 
> change commands calling the utility without loosing compatibility to older 
> utilities. Mainly to introduce or change commands, like we did with the 
> toolbar. 

Presumably you mean "the main intent for *adding an option to --extcap-verson*" 
- there *already existed* a --extcap-version argument, which told the extcap 
program to report its version:

        $ /Applications/Wireshark.app/Contents/MacOS/Wireshark --version
        Wireshark 2.6.1 (v2.6.1-0-g860a78b3)

                ...

        $ /Applications/Wireshark.app/Contents/MacOS/extcap/randpktdump 
--extcap-version
        extcap 
{version=0.1.0}{help=file:///usr/local/share/wireshark/randpktdump.html}
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