(command.Pipeline
  children: [
    (C {<cut>} {<-f2>} {<'/etc/mnttab'>})
    (command.WhileUntil
      keyword: <Id.KW_While while>
      cond: 
        (condition.Shell
          commands: [(command.Sentence child:(C {<read>} {<mntpnt>}) terminator:<Id.Op_Semi _>)]
        )
      body: (command.DoGroup children:[(C {<'/usr/bin/getlabel'>} {($ Id.VSub_DollarName mntpnt)})])
      redirects: []
    )
  ]
  negated: F
  stderr_indices: []
)