Cameron Simpson wrote:
> On Fri, Sep 08, 2000 at 12:25:43PM -0500, Bret Hughes wrote:
> | > On Thu, Sep 07, 2000 at 04:44:04PM -0500, Matt Housh wrote:
> | > | > > tty2, then do "startx --:1 to start a _second_ xsession - both running at
> | > | > > the same time.
> | > | > > However in red hat this does not work.
> | > | Last time I checked, this worked fine, but I was doing "startx -- :1" -
> | > | perhaps the space between the "--" and ":1" is required to make it work?
> | >
> | > Of course it's required. "--" is a special marker in command options
> | > meaning "end of options". In the case of startx, startx is a wrapper
> | > for both a session script and the X server, and the -- distinguishes
> | > the options for the X server from what comes before (if anything).
> | >
> | > This is even (gasp!) described in the manual entry.
> |
> | why is this needed in this case? there is no expansion/ iterpolation done for the
> | : char is there? does the : confuse bash because it is the path seperator?
>
> No no no.
>
> startx sees the arguments _after_ all the shell muging (none in this case).
>
> But startx is a _wrapper_ for two other programs - the X server and
> your session script, invoked by xinit. Startx passes some arguments to
> xinit and some arguments to the X server. The "--" tells startx where
> the arguments for xinit end and the arguments for the server (":1")
> begin.
>
> | The -- marker is talked about in context of several things (in the bash man page)
> | but none that I can see that has anything explicity to do with :
>
> It has nothing to do with the ":1" and everything to do with which of the
> subsidiary programs is _handed_ the ":1".
>
> See the third paragraph of "man startx".
>
> (Well, really, startx runs xinit with "nice" arguments - I always run xinit
> myself - and it is in fact xinit which handles the --).
> --
Thanks. I was digging in the wrong manual. rtwfm :-)
Bret
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