Please ignore my last question. I just realized it makes no sense!

> From: [email protected]
> To: [email protected]
> Date: Tue, 20 Jan 2015 16:08:15 +0000
> Subject: Re: [Jprogramming] J Equivalent of Python Struct.Pack/Unpack
> 
> It looks very convenient. I'm reading through it now. 
> I'm wondering how it handles J hex. 
> I know the J verbs
> dfh and
> hfd
> can convert decimal to hex and vice versa. But the hex representation is a 
> string literal.
> So this would be packed as a string, right?
> And if I sent this over a network, and unpacked in, say, Python, there could 
> be a problem it seems.
> 
> > Date: Tue, 20 Jan 2015 15:47:15 +0000
> > From: [email protected]
> > To: [email protected]
> > Subject: Re: [Jprogramming] J Equivalent of Python Struct.Pack/Unpack
> > 
> > 3!:1 is more powerful than this.  Converts any noun to a binary (string) 
> > representation.  3!:2 unpacks.
> > 
> > 
> > ----- Original Message -----
> > From: Jon Hough <[email protected]>
> > To: "[email protected]" <[email protected]>
> > Cc: 
> > Sent: Tuesday, January 20, 2015 10:42 AM
> > Subject: [Jprogramming] J Equivalent of Python Struct.Pack/Unpack
> > 
> > Python has a useful module called struct
> > https://docs.python.org/2/library/struct.html
> > which is useful for converting strings to packed binary data.
> > e.g.
> > data = struct.pack('B', someHexString)
> > 
> > Does J have an equivalent or similar function / verb?
> > I spent a bit of time looking, but couldn't find anything.
> > 
> > Example usage would be sending data over a network.
> > 
> > 
> >                           
> > ----------------------------------------------------------------------
> > For information about J forums see http://www.jsoftware.com/forums.htm
> > ----------------------------------------------------------------------
> > For information about J forums see http://www.jsoftware.com/forums.htm
>                                         
> ----------------------------------------------------------------------
> For information about J forums see http://www.jsoftware.com/forums.htm
                                          
----------------------------------------------------------------------
For information about J forums see http://www.jsoftware.com/forums.htm

Reply via email to