https://github.com/timholy/HDF5.jl/blob/master/doc/hdf5.md#getting-information

The things that work for plain HDF5 files should also work for JLD. If not, it 
should be viewed as a bug (barring things I'm not thinking of ATM).

--Tim

On Wednesday, June 04, 2014 05:56:23 PM Samuel Colvin wrote:
> I'm sure this has been asked before, but I can't find an answer.
> 
> Given a .jld files, how do I inspect it to list the variables it contains?
> 
> Right now I'm resorting to
> before=Set(names(Main))
> @load "data.jld"
> after = Set(names(Main))
> varnames = collect(setdiff(after,before))
> 
> That works but is obviously ugly and error prone, ie. if I have a variable
> defined before the @load it wont come up in varnames.
> 
> What's the canonical way of doing this?

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