I tried this and in the repl the propmt appears instantaneous again so this seems to work fine here.
On Sat, Nov 10, 2012 at 6:51 AM, Michael Gardner <gardne...@gmail.com>wrote: > I can't duplicate your results on my Debian wheezy box (Clojure 1.4, > openjdk 1.6.0_24, xdg-open 1.1.0 rc1); the call to (sh "xdg-open" …) > returns immediately. The only possibilities I can think of are that your > version of xdg-open blocks when run from a non-interactive shell, or that > your version of Java somehow handles subprocesses differently. > > The first possibility should be easy to test. And you should be able to > test the second by writing your own shell script that forks and then exits > (at least, I assume that's what xdg-open is doing). > > On Nov 9, 2012, at 19:26 , Andy Fingerhut <andy.finger...@gmail.com> > wrote: > > > This issue may be specific to Linux, or even to a particular version of > Linux that I am using (Ubuntu 11.10 32-bit desktop), although I doubt it > is. If others try this out, I'd be curious to know what your results are, > especially if you know why it is happening, and how it can be fixed. > > > > First, some behavior from a bash window on Ubuntu 11.10: > > > > % echo hi > > hi > > % xdg-open http://www.google.com > > % > > > > After pressing return for the xdg-open command above, my browser opens a > tab to Google's home page. Back in the shell window, the next prompt > appears immediately, even though the browser is still running and open to > that page. That is what I expect to happen. > > > > However, if I do the following commands inside of a Clojure REPL (tested > Clojure 1.4 and 1.5-beta1 so far): > > > > % rlwrap java -cp ~/lein/clojure-1.4.0/lib/clojure-1.4.0.jar clojure.main > > Clojure 1.4.0 > > user=> (require '[clojure.java.shell :as sh]) > > nil > > user=> (sh/sh "echo" "hi") > > {:exit 0, :out "hi\n", :err ""} > > user=> (sh/sh "xdg-open" "http://www.google.com";) > > > > The invocation of echo returns immediately, printing the result and the > next REPL prompt. But when I invoke xdg-open, while the browser window > appears and goes to the Google home page, back in the bash window I see no > return value and no new REPL prompt. > > > > If I quit the browser, then back in the bash window I finally see the > return value and a REPL prompt, as shown below: > > > > {:exit 0, :out "", :err ""} > > user=> > > > > > > What I'm wishing would happen is for the return value and REPL prompt to > appear very soon after pressing return when invoking xdg-open with > clojure.java.shell/sh. > > > > I added some debug print messages to a local copy of > clojure.java.shell/sh, and it is stopping when waiting for the evaluation > of either @out or @err in the final line of the function. > > > > If I do the same commands above on Mac OS X, with "open" instead of > "xdg-open", it all works as I expect. > > > > Any clues? > > > > Thanks, > > Andy > > > > -- > > 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 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 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
