Well read can (read) from a stream and if you don't serialize your data 
structure in one huge pile:

[1] [1] [1] [1] vs. [[1] [1] [1] [1]]

you can read it lazily.


See http://github.com/Licenser/stupiddb/blob/master/src/stupiddb/core.clj#L75 
for an example.


regards,
Heinz
On May 24, 2010, at 14:25 , Michael Jaaka wrote:

> Hello!
> 
> I need symmetric function to prn (reads line of expression from binded
> *in* and constructs data structure - just like load-string does it now
> from a string).
> 
> Right now I store data with prn to a file.
> 
> Then read it with buffered reader and load-string.
> Reading in this case is very ineffective due to
> 
> readString(String s){
>       PushbackReader r = new PushbackReader(new StringReader(s));
> 
> in clojure.lang.RT
> 
> Anyone has solution?
> 
> Note that I need to create lazy sequences of "deserialized" clojure
> data structures for processing, so using load-reader is not sufficient.
> 
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