NumPY: Reading/Writing Arrays To/From Files

[Dave LeBlanc]

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Dave LeBlanc

On Thu, 29 Mar 2001 19:18:32 +0100, "John J. Lee"
<phrxy at csv.warwick.ac.uk> wrote:

>On Wed, 28 Mar 2001, Grant Griffin wrote:
>
>> Ben Held wrote:
>> >
>> > I would like to be able to read/write NumPY array objects to/from ascii
>> > files.  I could not find support for this in the NumPY code.  Any ideas?
>> >
>> > Ben
>>
>> I forget exactly, but I think there's something out there called
>> "arrayio".  Look for Travis Oliphant's page: I think you can find it
>> there.
>[...]
>
>ArrayIO I think is for binary data, not ASCII.  As far as I can tell,
>Travis' pages haven't resurfaced since they disappeared a few months ago.
>There is a copy at
>
>http://starship.python.net/~da/Travis/numpyio/
>
>but this may be ancient for all I know.  You can do the same thing with
>the Python standard library too, IIRC.
>
>TableIO reads ASCII tables.
>
>http://php.iupui.edu/~mmiller3/python/
>
>There is a bug somewhere around line 40 that you'll get if you use Numeric
>arrays where it wants lists.  Just delete the line that checks for array
>type, and put in a try / except if you feel like it.
>
>This is faster than a python version of course, but the GNU C library
>implementation of strtok() has trouble with input like .3 or 3. (one or
>the other).
>
>
>John
>