text: """Wrapper functions for running the various programs in the jobTree package.
  """
  
  #Copyright (C) 2011 by Benedict Paten (benedictpaten@gmail.com)
  #
  #Permission is hereby granted, free of charge, to any person obtaining a copy
  #of this software and associated documentation files (the "Software"), to deal
  #in the Software without restriction, including without limitation the rights
  #to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
  #copies of the Software, and to permit persons to whom the Software is
  #furnished to do so, subject to the following conditions:
  #
  #The above copyright notice and this permission notice shall be included in
  #all copies or substantial portions of the Software.
  #
  #THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  #IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  #FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
  #AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  #LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
  #OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
  #THE SOFTWARE.
  
  from sonLib.bioio import logger
  from sonLib.bioio import system
  
  def runJobTreeStats(jobTree, outputFile):
      system("jobTreeStats --jobTree %s --outputFile %s" % (jobTree, outputFile))
      logger.info("Ran the job-tree stats command apparently okay")
      
  def gridEngineIsInstalled():
      """Returns True if grid-engine is installed, else False.
      """
      try:
          return system("qstat -help") == 0
      except RuntimeError:
          return False
      
  def parasolIsInstalled():
      """Returns True if parasol is installed, else False.
      """
      try:
          return system("parasol status") == 0
      except RuntimeError:
          return False
      
  def runJobTreeStatusAndFailIfNotComplete(jobTreeDir):
      command = "jobTreeStatus --jobTree %s --failIfNotComplete --verbose" % jobTreeDir
      system(command)
  