It seems likely that Colon isn't supported yet. You may be able to do this 
(I'm just typing this off the top of my head, could have an error or two, if so 
please check docs):

file = h5open("X.h5")
h5array = file["grupa"]
sz = size(h5array)
data = h5array[1:sz[1], 1]

But please do file an issue at HDF5, so I don't forget to look into supporting 
Colon.

--Tim

On Sunday, April 20, 2014 10:14:28 AM paul analyst wrote:
> I can read part fo array saved in HDF5 file. Is ok , nice!
> 
> julia> data = h5read("X.h5", "grupa", (1:3,1))
> 3x1 Array{Float64,2}:
>  0.269948
>  0.561731
>  0.894856
> 
> But I cant read all first column (:,1) :
> 
> julia> data = h5read("X.h5", "grupa", (:,1))
> ERROR: no method h5read(ASCIIString, ASCIIString, (Colon,Int64))
> 
> How to read this column ?
> Paul

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