RE: [Matplotlib-users] writing binary array to file

[Perry G. <pe...@st...>]

John Hunter wrote:
> Best is to use the binary string operations tostring and fromstring
> 
>     from Numeric import fromstring, Float
>     # write
>     file('fname.out', 'wb').write(x.tostring())
> 
>     # read
>     x = fromstring(file('fname.out', 'rb').read(), Float)
> 
>     #If data is MxN you'll need to reshape
>     x.shape = M,N
> 
> Hope this help,
> JDH
> 

Note that numarray has a tofile method and a fromfile function
to do this without going through the copying required by tostring
and fromstring. Like those, it also doesn't save any shape or
type info in the file.

Perry