Wireshark · Ethereal-dev: Re: [ethereal-dev] What should Ethereal do for command-line option errors?

[Nathan Neulinger <nneul@xxxxxxx>]

Stefan `Sec` Zehl wrote:
> 
> On Mon, Dec 06, 1999 at 11:18:59PM -0800, Guy Harris wrote:
> > If it's run with a bad command-line option, e.g. an invalid one ("-z"),
> > or one that's supposed to have an argument ("-m") but isn't given one,
> > or one that's supported only if Ethereal is built with "libpcap" ("-k"),
> > should it pop up a window, or should it just print a message and exit?
> 
> [...]
> 
> Do it just like ssh-add does. Use stdout if there is one and it's not
> /dev/null. Otherwise use X :-)

Actually, that's not such a good idea. Maybe checking if stdout is a tty
would be sufficient, but if you do it just checking if it's there is bad
practice, cause almost everything in X will write to xsession-errors or
similar. 

-- Nathan

------------------------------------------------------------
Nathan Neulinger                       EMail:  nneul@xxxxxxx
University of Missouri - Rolla         Phone: (573) 341-4841
Computing Services                       Fax: (573) 341-4216