(command.Pipeline
  children: [
    (C {<locale>} {<-a>})
    (C {<grep>} {<Id.Lit_Underscore _>})
    (C {<uniq>} {<-w5>})
    (command.WhileUntil
      keyword: <Id.KW_While while>
      cond: 
        (condition.Shell
          commands: [(command.Sentence child:(C {<read>} {<lang>}) terminator:<Id.Op_Semi _>)]
        )
      body: 
        (command.DoGroup
          children: [
            (command.Sentence
              child: 
                (C {<echo>} {<-ne>} {(DQ ($ Id.VSub_DollarName lang) <Id.Lit_BadBackslash '\\'> <t>)})
              terminator: <Id.Op_Semi _>
            )
            (command.ShAssignment
              pairs: [
                (assign_pair
                  lhs: (sh_lhs_expr.Name left:<Id.Lit_VarLike 'locale_info='> name:locale_info)
                  op: assign_op.Equal
                  rhs: 
                    {
                      (command_sub
                        left_token: <Id.Left_Backtick '`'>
                        child: 
                          (command.Simple
                            words: [{<locale>} {<territory>} {<language>}]
                            redirects: [
                              (redir
                                op: <Id.Redir_Great '2>'>
                                loc: (redir_loc.Fd fd:2)
                                arg: {<'/dev/null'>}
                              )
                            ]
                            more_env: [
                              (env_pair
                                name: LANG
                                val: {($ Id.VSub_DollarName lang)}
                                spids: [65]
                              )
                            ]
                            do_fork: T
                          )
                        right: <Id.Backtick_Right '`'>
                      )
                    }
                  spids: [61]
                )
              ]
              redirects: []
            )
            (command.Pipeline
              children: [
                (C {<echo>} {($ Id.VSub_DollarName locale_info)})
                (C {<sed>} {(SQ <'s/\\(.*\\) \\(.*\\)/\\1 (\\2)/'>)})
              ]
              negated: F
              stderr_indices: []
            )
          ]
        )
      redirects: []
    )
    (C {<sort>} {<-k2>})
  ]
  negated: F
  stderr_indices: []
)