(command.CommandList
  children: [
    (command.ShAssignment
      pairs: [
        (assign_pair
          lhs: (sh_lhs_expr.Name left:<Id.Lit_VarLike 'PATH='> name:PATH)
          op: assign_op.Equal
          rhs: 
            {<'/bin'> <Id.Lit_Colon ':'> <'/usr/bin'> <Id.Lit_Colon ':'> <'/usr/lib/netsvc/yp'> 
              <Id.Lit_Colon ':'> ($ Id.VSub_DollarName PATH)
            }
          spids: [85]
        )
      ]
      redirects: []
    )
    (C {<export>} {<PATH>})
    (C {<ypxfr>} {<hosts.byname>})
    (C {<ypxfr>} {<hosts.byaddr>})
    (C {<ypxfr>} {<ethers.byaddr>})
    (C {<ypxfr>} {<ethers.byname>})
    (C {<ypxfr>} {<netgroup>})
    (C {<ypxfr>} {<netgroup.byuser>})
    (C {<ypxfr>} {<netgroup.byhost>})
    (C {<ypxfr>} {<mail.aliases>})
  ]
)