Hi, On Aug 4, 4:56 pm, Cameron <cpuls...@gmail.com> wrote:
> Not 100% on this, but this is what I do when reading files... > > (with-open [rdr (BufferedReader. (FileReader. file-name))] > (reduce conj [] (line-seq rdr))) An easier way to do this is doall. > That ensures that the whole seq is realized without closing the > handle, but it also allows you to wrap the whole block with a take > function if you only cared about the first few lines. As far as I > know, this would still close the resources after whether you realize > the whole sequence or only take part of it. Can someone who knows a > bit better confirm? When you place the take around the with-open block or around the doall, the whole file will be read into memory and stay there until the take sequence is fully realised. If you really want only a certain number of lines of the file, you have to move the take into the doall in the with-open. Sincerely Meikel -- 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
