import rdstdin
import os
import strutils

proc mainLoop() =
  var bye = "Bye bye!"

  while true:
    var input = readLineFromStdin("> ")

    case input
    of "quit":
      echo(bye)
      break
    of "q":
      echo(bye)
      break
    else:
      echo(execShellCmd("hdfs dfs -$1" % [input]))

mainLoop()