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    (command.CommandList
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            (command.Assignment
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              pairs: [(assign_pair lhs:(lhs_expr.LhsName name:user) op:Equal rhs:{(DQ )})]
            )
          terminator: <Op_Semi ';'>
        )
        (command.Sentence
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            (command.Assignment
              keyword: Assign_None
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            )
          terminator: <Op_Semi ';'>
        )
        (command.Sentence
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            (command.Assignment
              keyword: Assign_None
              pairs: [(assign_pair lhs:(lhs_expr.LhsName name:showpid) op:Equal rhs:{(0)})]
            )
          terminator: <Op_Semi ';'>
        )
        (command.Assignment
          keyword: Assign_None
          pairs: [(assign_pair lhs:(lhs_expr.LhsName name:niceval) op:Equal rhs:{(DQ ('+1'))})]
        )
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    )
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          child: (C {(getopts)} {(DQ ('n:u:t:p'))} {(opt)})
          terminator: <Op_Semi ';'>
        )
      ]
      body: 
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                          pairs: [
                            (assign_pair
                              lhs: (lhs_expr.LhsName name:niceval)
                              op: Equal
                              rhs: {(DQ ($ VSub_DollarName '$OPTARG'))}
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                          ]
                        )
                      terminator: <Op_Semi ';'>
                    )
                  ]
                )
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                                (C {(Lit_Other '[')} {(KW_Bang '!')} {(-z)} 
                                  {(DQ ($ VSub_DollarName '$tty'))} {(Lit_Other ']')}
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                              terminator: <Op_Semi ';'>
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                          ]
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                                {(echo)}
                                {
                                  (DQ ($ VSub_Number '$0') 
                                    (': error: -u and -t are mutually exclusive.')
                                  )
                                }
                              ]
                              redirects: [
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                                  fd: 16777215
                                  arg_word: {(2)}
                                )
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                            )
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                              arg_word: {(1)}
                            )
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                        )
                      ]
                    )
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                        (assign_pair
                          lhs: (lhs_expr.LhsName name:user)
                          op: Equal
                          rhs: {($ VSub_DollarName '$OPTARG')}
                        )
                      ]
                    )
                  ]
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                              terminator: <Op_Semi ';'>
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                          ]
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                                {(echo)}
                                {
                                  (DQ ($ VSub_Number '$0') 
                                    (': error: -u and -t are mutually exclusive.')
                                  )
                                }
                              ]
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                                  op: <Redir_GreatAnd '>&'>
                                  fd: 16777215
                                  arg_word: {(2)}
                                )
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                            )
                            (command.ControlFlow
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                        )
                      ]
                    )
                    (command.Assignment
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                      pairs: [
                        (assign_pair
                          lhs: (lhs_expr.LhsName name:tty)
                          op: Equal
                          rhs: {($ VSub_DollarName '$OPTARG')}
                        )
                      ]
                    )
                  ]
                )
                (case_arm
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                    (command.Sentence
                      child: 
                        (command.Assignment
                          keyword: Assign_None
                          pairs: [(assign_pair lhs:(lhs_expr.LhsName name:showpid) op:Equal rhs:{(1)})]
                        )
                      terminator: <Op_Semi ';'>
                    )
                  ]
                )
                (case_arm
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                  action: [
                    (command.SimpleCommand
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                        {(echo)}
                        {
                          (DQ ('Usage: ') ($ VSub_Number '$0') 
                            (' [-n niceval] [-u user|-t tty] [-p] pattern')
                          )
                        }
                      ]
                      redirects: [(redir.Redir op:<Redir_GreatAnd '>&'> fd:16777215 arg_word:{(2)})]
                    )
                    (command.SimpleCommand
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                        {(echo)}
                        {
                          (DQ ('Default niceval change is ') 
                            (word_part.EscapedLiteralPart
                              token: <Lit_EscapedChar '\\"'>
                            ) ($ VSub_DollarName '$niceval') (word_part.EscapedLiteralPart token:<Lit_EscapedChar '\\"'>) 
                            (' (plus is lower')
                          )
                        }
                      ]
                      redirects: [(redir.Redir op:<Redir_GreatAnd '>&'> fd:16777215 arg_word:{(2)})]
                    )
                    (command.SimpleCommand
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                        {(echo)}
                        {(DQ ('priority, minus is higher, but only root can go below 0)'))}
                      ]
                      redirects: [(redir.Redir op:<Redir_GreatAnd '>&'> fd:16777215 arg_word:{(2)})]
                    )
                    (command.ControlFlow
                      token: <ControlFlow_Exit exit>
                      arg_word: {(1)}
                    )
                  ]
                )
              ]
            )
          ]
        )
    )
    (C {(shift)} 
      {
        (word_part.ArithSubPart
          anode: 
            (arith_expr.ArithBinary
              op_id: Arith_Minus
              left: (arith_expr.ArithWord w:{($ VSub_DollarName '$OPTIND')})
              right: (arith_expr.ArithWord w:{(Lit_Digits 1)})
            )
        )
      }
    )
    (command.If
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        (if_arm
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            (command.Sentence
              child: (C {(Lit_Other '[')} {($ VSub_Pound '$#')} {(-eq)} {(0)} {(Lit_Other ']')})
              terminator: <Op_Semi ';'>
            )
          ]
          action: [
            (command.SimpleCommand
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                {(echo)}
                {
                  (DQ ('Usage: ') ($ VSub_Number '$0') (' [-n niceval] [-u user|-t tty] [-p] pattern'))
                }
              ]
              redirects: [(redir.Redir op:<Redir_GreatAnd '>&'> fd:16777215 arg_word:{(2)})]
            )
            (command.ControlFlow token:<ControlFlow_Exit exit> arg_word:{(1)})
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        )
      ]
    )
    (command.If
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        (if_arm
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            (command.Sentence
              child: 
                (C {(Lit_Other '[')} {(KW_Bang '!')} {(-z)} {(DQ ($ VSub_DollarName '$tty'))} 
                  {(Lit_Other ']')}
                )
              terminator: <Op_Semi ';'>
            )
          ]
          action: [
            (command.Assignment
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              pairs: [
                (assign_pair
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                  op: Equal
                  rhs: 
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                      (word_part.CommandSubPart
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                            children: [
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                                  (C {(awk)} 
                                    {
                                      (DQ ('/ ') ($ VSub_Number '$1') ('/ { print ') 
                                        (word_part.EscapedLiteralPart
                                          token: <Lit_EscapedChar '\\\\'>
                                        ) ($ VSub_Number '$2') (' }')
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                                  )
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                                negated: F
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            (command.Sentence
              child: 
                (C {(Lit_Other '[')} {(KW_Bang '!')} {(-z)} {(DQ ($ VSub_DollarName '$user'))} 
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              terminator: <Op_Semi ';'>
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            (command.Assignment
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              pairs: [
                (assign_pair
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                      (word_part.CommandSubPart
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                                      (DQ ('/ ') ($ VSub_Number '$1') ('/ { print ') 
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                                          token: <Lit_EscapedChar '\\\\'>
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                                negated: F
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                        left_token: <Left_DollarParen '$('>
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          pairs: [
            (assign_pair
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              op: Equal
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                {
                  (word_part.CommandSubPart
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                      (command.CommandList
                        children: [
                          (command.Pipeline
                            children: [
                              (C {(ps)} {(cu)} {(-U)} 
                                {
                                  (word_part.BracedVarSub
                                    token: <VSub_Name USER>
                                    suffix_op: 
                                      (suffix_op.StringUnary
                                        op_id: VTest_ColonHyphen
                                        arg_word: {(LOGNAME)}
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                                  )
                                }
                              )
                              (C {(awk)} 
                                {
                                  (DQ ('/ ') ($ VSub_Number '$1') ('/ { print ') 
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                    left_token: <Left_DollarParen '$('>
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            (command.Sentence
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              terminator: <Op_Semi ';'>
            )
          ]
          action: [
            (command.Sentence
              child: 
                (command.SimpleCommand
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                    {(echo)}
                    {(DQ ($ VSub_Number '$0') (': no processes match pattern ') ($ VSub_Number '$1'))}
                  ]
                  redirects: [(redir.Redir op:<Redir_GreatAnd '>&'> fd:16777215 arg_word:{(2)})]
                )
              terminator: <Op_Semi ';'>
            )
            (command.ControlFlow token:<ControlFlow_Exit exit> arg_word:{(1)})
          ]
        )
        (if_arm
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            (command.Sentence
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                (C {(Lit_Other '[')} {(KW_Bang '!')} {(-z)} 
                  {
                    (DQ 
                      (word_part.CommandSubPart
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                              (command.Pipeline
                                children: [
                                  (C {(echo)} {($ VSub_DollarName '$pid')})
                                  (C {(grep)} {(SQ <' '>)})
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                                negated: F
                              )
                            ]
                          )
                        left_token: <Left_DollarParen '$('>
                      )
                    )
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              terminator: <Op_Semi ';'>
            )
          ]
          action: [
            (C {(echo)} 
              {
                (DQ ($ VSub_Number '$0') (': more than one process matches pattern ') 
                  (${ VSub_Number 1) (':')
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              }
            )
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                    (command.Sentence
                      child: 
                        (C {(Lit_Other '[')} {(KW_Bang '!')} {(-z)} {(DQ ($ VSub_DollarName '$tty'))} 
                          {(Lit_Other ']')}
                        )
                      terminator: <Op_Semi ';'>
                    )
                  ]
                  action: [
                    (command.Assignment
                      keyword: Assign_None
                      pairs: [
                        (assign_pair
                          lhs: (lhs_expr.LhsName name:runme)
                          op: Equal
                          rhs: {(DQ ('ps cu -t ') ($ VSub_DollarName '$tty'))}
                        )
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                    )
                  ]
                )
                (if_arm
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                    (command.Sentence
                      child: 
                        (C {(Lit_Other '[')} {(KW_Bang '!')} {(-z)} {(DQ ($ VSub_DollarName '$user'))} 
                          {(Lit_Other ']')}
                        )
                      terminator: <Op_Semi ';'>
                    )
                  ]
                  action: [
                    (command.Assignment
                      keyword: Assign_None
                      pairs: [
                        (assign_pair
                          lhs: (lhs_expr.LhsName name:runme)
                          op: Equal
                          rhs: {(DQ ('ps cu -U ') ($ VSub_DollarName '$user'))}
                        )
                      ]
                    )
                  ]
                )
              ]
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                (command.Assignment
                  keyword: Assign_None
                  pairs: [
                    (assign_pair
                      lhs: (lhs_expr.LhsName name:runme)
                      op: Equal
                      rhs: 
                        {
                          (DQ ('ps cu -U ') 
                            (word_part.BracedVarSub
                              token: <VSub_Name USER>
                              suffix_op: 
                                (suffix_op.StringUnary
                                  op_id: VTest_ColonHyphen
                                  arg_word: {(LOGNAME)}
                                )
                            )
                          )
                        }
                    )
                  ]
                )
              ]
            )
            (command.Pipeline
              children: [
                (C {(eval)} {($ VSub_DollarName '$runme')})
                (C {(awk)} 
                  {
                    (DQ ('/ ') ($ VSub_Number '$1') ('/ { printf ') 
                      (word_part.EscapedLiteralPart
                        token: <Lit_EscapedChar '\\"'>
                      ) ('  user %-8.8s  pid %-6.6s  job %s') (Lit_Other '\\') (n) 
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                        token: <Lit_EscapedChar '\\"'>
                      ) (', ') ('      ') (word_part.EscapedLiteralPart token:<Lit_EscapedChar '\\$'>) ('1,') 
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                  }
                )
              ]
              negated: F
            )
            (C {(echo)} {(DQ ('Use -u user or -t tty to narrow down your selection criteria.'))})
          ]
        )
        (if_arm
          cond: [
            (command.Sentence
              child: 
                (C {(Lit_Other '[')} {($ VSub_DollarName '$showpid')} {(-eq)} {(1)} {(Lit_Other ']')})
              terminator: <Op_Semi ';'>
            )
          ]
          action: [(C {(echo)} {($ VSub_DollarName '$pid')})]
        )
      ]
      else_action: [
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          {(DQ ('Renicing job ') (word_part.EscapedLiteralPart token:<Lit_EscapedChar '\\"'>))}
        )
        (C {(/bin/echo)} {(-n)} 
          {
            (word_part.CommandSubPart
              command_list: 
                (command.CommandList
                  children: [
                    (command.Pipeline
                      children: [
                        (C {(ps)} {(cp)} {($ VSub_DollarName '$pid')})
                        (C {(sed)} {(SQ <'s/ [ ]*/ /g'>)})
                        (C {(tail)} {(-1)})
                        (C {(cut)} {(-d) (word_part.EscapedLiteralPart token:<Lit_EscapedChar '\\ '>)} 
                          {(-f6-)}
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                      ]
                      negated: F
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                  ]
                )
              left_token: <Left_DollarParen '$('>
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          }
        )
        (C {(echo)} 
          {
            (DQ (word_part.EscapedLiteralPart token:<Lit_EscapedChar '\\"'>) (' (') 
              ($ VSub_DollarName '$pid') (')')
            )
          }
        )
        (C {(renice)} {($ VSub_DollarName '$niceval')} {($ VSub_DollarName '$pid')})
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    )
    (command.ControlFlow token:<ControlFlow_Exit exit> arg_word:{(0)})
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)