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

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

Eugeni Doljenko writes:
> > 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
> Moreover tostring() and fromstring() are deprecated iirc, because you can
> convert arrays from and to strings by StringIO.
>
I just noticed this recently. It isn't the case that tostring and
fromstring are deprecated for numarray. I just wanted to clarify.

Perry