[Swift-devel] status files

[Ben Clifford]

For providers that return exit codes from jobs correctly, I think it is 
safe to not use status files and instead use the returned exit code.

I think that's the case for gram4 and local execution and either is or can 
be the case for coasters and falkon.

I'm specifically interested in two cases: one with falkon on the bg/p 
where status file munging seems to take some time; and the other with 
skenny's cnari app where file-related activity seems to dominate - it 
might help or might not.

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