[Numpy-discussion] creating or truncating SD files in pyhdf

Robert Kern robert.kern@gmail....
Thu Sep 11 16:00:44 CDT 2008


On Thu, Sep 11, 2008 at 15:54, Catherine Moroney
<Catherine.M.Moroney@jpl.nasa.gov> wrote:
> What is the correct way to create an SD file (if it doesn't already
> exist),
> or truncate and then rewrite an existing one?

I would suggest testing with os.path.exists() first, then deciding
whether to use TRUNC or not based on that.

> Does it matter which
> order
> the file-access options are set?

No, the | operator is commutative.

-- 
Robert Kern

"I have come to believe that the whole world is an enigma, a harmless
enigma that is made terrible by our own mad attempt to interpret it as
though it had an underlying truth."
 -- Umberto Eco


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