On 01/07/2014 13:37, Param Jeet wrote:> I am trying to create socket connection in R.
That is not a 'socket connection'. I suggest you use one instead: see
?socketConnection.
>
> socket <- make.socket("localhost",2099,T,T)
>
msg2<-'function=subscribe|item=MI.EQCON.1|schema=last_price;ask;bid'
> write.socket(socket,msg2)
> read.socket(socket,252,FALSE)
>
> When I run the read.socket line, I get error:
>
> Error in read.socket(socket, 252, FALSE) :
> embedded nul in string:
>
'????-\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\001\0\004\0CTCL\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0'
>
> I am Unable to solve this problem. Please advice how to get rid of this
> issue.
The help says
?read.socket? reads a string from the specified socket,
'Strings' do not have embedded nulls: you need something which can do
binary reads. For that you need to use connections.
>
>
> Regards,
>
> [[alternative HTML version deleted]]
>
>
>
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--
Brian D. Ripley, ripley at stats.ox.ac.uk
Professor of Applied Statistics, http://www.stats.ox.ac.uk/~ripley/
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