Stream merge: Difference between revisions

</pre>

 

 

There is no built-in iterator or stream type for file operations in Haskell. But several such libraries exist.

sockets).

 

 

Built-in function <code>open</code> opens a file for reading and returns a line-by-line iterator (stream) over the file.

monkey</pre>

 

===version 1===

<lang rexx>/* REXX ***************************************************************

</lang>

 

 

sort --merge source1 source2 sourceN > sink

 

This solution uses iterators, doesn't care where the streams orginate and only keeps the head of the stream on hand.

<lang zkl>fcn mergeStreams(s1,s2,etc){ //-->Walker