start (clj)

Starts an external command as args and optional leading opts map: :in - a ProcessBuilder.Redirect (default = :pipe) or :inherit :out - a ProcessBuilder.Redirect (default = :pipe) or :inherit :discard :err - a ProcessBuilder.Redirect (default = :pipe) or :inherit :discard :stdout :dir - directory to run the command from, default="." :env - {env-var value} of environment variables (all strings) Returns an ILookup containing the java.lang.Process in :process and the streams :in :out :err. The map is also an IDeref that waits for process exit and returns the exit code.