Well, I'm not very familiar with buffer in java. But I think it's always safe to call flush if you want to see the output immediately.
2014-04-10 19:50 GMT+08:00 Cecil Westerhof <cldwester...@gmail.com>: > 2014-04-10 13:40 GMT+02:00 Di Xu <xudi...@gmail.com>: > > there're three buffer mode in unix, line buffered, full buffered and no >> buffered, if the output is terminal then it's default to line buffered. >> That means it buffer the output until '\n' occurs, you can force output via >> flush. >> > > The printf format string is "%s: %s\n", so there is a newline, but it is > not acted upon. > > > >> 2014-04-10 19:30 GMT+08:00 Cecil Westerhof <cldwester...@gmail.com>: >> >>> 2014-04-10 12:52 GMT+02:00 Kevin Ilchmann Jørgensen <kijm...@gmail.com>: >>> >>> I believe this is how the terminal behave. You can force an >>>> (clojure.core/flush) >>>> >>> >>> But why does println not behave this way? >>> >>> I think I stick to println for the moment. >>> >>> >>> On Thu, Apr 10, 2014 at 12:34 PM, Cecil Westerhof < >>>> cldwester...@gmail.com> wrote: >>>> >>>>> I have the following simple program: >>>>> (def time-format (new java.text.SimpleDateFormat "hh:mm:ss")) >>>>> >>>>> (defn now [] >>>>> (new java.util.GregorianCalendar)) >>>>> >>>>> (defn give-message [message] >>>>> (printf >>>>> "%s: %s\n" (. time-format format (. (now) getTime)) message)) >>>>> >>>>> (give-message "Start") >>>>> (doseq [i (range 1 100000001)] >>>>> (let [val (Math/sqrt i) >>>>> diff (Math/abs (- (Math/pow val 2) (* val val)))] >>>>> (when-not (< diff 1.5E-8) >>>>> (println (format "Different for %d (%e)" i diff))))) >>>>> (give-message "Stop") >>>>> >>>>> It does what it should, but I have a little problem with it: the >>>>> output of give-message is only showed after terminating the program. Why >>>>> is >>>>> that? >>>>> >>>>> When changing give-message to: >>>>> (defn give-message [message] >>>>> (println (format "%s: %s" (. time-format format (. (now) >>>>> getTime)) message))) >>>>> >>>>> the output is shown immediately. >>>>> >>>> > -- > Cecil Westerhof > > -- > 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 > --- > You received this message because you are subscribed to the Google Groups > "Clojure" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to clojure+unsubscr...@googlegroups.com. > For more options, visit https://groups.google.com/d/optout. > -- 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 --- You received this message because you are subscribed to the Google Groups "Clojure" group. To unsubscribe from this group and stop receiving emails from it, send an email to clojure+unsubscr...@googlegroups.com. For more options, visit https://groups.google.com/d/optout.
