weird.clj

weird.clj

qqq.core> (require '[clojure.java.shell :as shell])
nil

;; Kick off a future that is reading System/in and just print the result
qqq.core> (future
      (println (.read System/in))
     (println "done"))
 #<Future@536d8f5e: :pending>
 
 ;; Invoke something that uses /bin/sh, see the output
 qqq.core> (shell/sh "/bin/sh" "-c" "echo yolo")
 {:exit 0, :out "yolo\n", :err ""}
 
 ;; Use /bin/bash, notice output from (.read System/in) returning -1 and future finishing
 qqq.core> (shell/sh "/bin/bash" "-c" "echo yolo")
 -1
 done
 {:exit 0, :out "yolo\n", :err ""}
 
 ;; Any ideas what is going on?