On 28 January 2010 13:41, timc <[email protected]> wrote:
> Given a collection (say*command-line-args*) of file names, how to make
> a lazy function that in effect does what clojure.contrib.duck-streams/
> read-lines does, but of all the files in sequence.
How about this:
(defn multi-read-lines [sources]
(when-let [source (first sources)]
(lazy-cat (read-lines source) (recur (rest sources)))))
It would be easy enough to have it accept a variable number of sources
as arguments rather than a single list, if you prefer.
Sincerely,
Michal
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