Thanks Michal -- however, (multi-read-lines *command-line-args*) produces this exception:
java.lang.IllegalArgumentException: Mismatched argument count to recur, expected: 0 args, got: 1 On Jan 28, 12:54 pm, Michał Marczyk <michal.marc...@gmail.com> wrote: > On 28 January 2010 13:41, timc <timgcl...@gmail.com> 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 -- You received this message because you are subscribed to the Google Groups "Clojure" group. To post to this group, send email to clojure@googlegroups.com Note that posts from new members are moderated - please be patient with your first post. To unsubscribe from this group, send email to clojure+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/clojure?hl=en
