cmd << wxT(" >") << tmpfile << wxT('\'');
/* I tried to add an option to wxExecute() to not close stdout,
so we could let ifconfig write directly to the tmpfile, but
cmd << wxT(" >") << tmpfile << wxT('\'');
/* I tried to add an option to wxExecute() to not close stdout,
so we could let ifconfig write directly to the tmpfile, but