[MTT users] hostlist enhancement

[Jeff Squyres]

Mellanox told me that the MTT &hostlist() funclet is returning a comma- delimited list of hosts (and &hostlist_hosts()). That is fine for Open MPI, but it is not for MVAPICH -- MVAPICH requires a space- delimited list of hosts for their mpirun.

        &hostlist_hosts()



        &hostlist_hosts(" ")

you should get a space-delimited list.



--
Jeff Squyres
Cisco Systems

Here's a patch that introduces an optional parameter to &hostlist() and &hostlist_hosts(). The optional parameter is a delimiter for the hostlist. So if you call: you'll get the same comma-delimited list that is returned today. But if you call Can Mellanox try this patch and see if it works for them? If so, I'll commit it to the MTT trunk.

hostlist.patch
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