(CommandList
  children: [
    (Assignment
      keyword: Assign_None
      pairs: [
        (assign_pair
          lhs: (LhsName name:tid)
          op: Equal
          rhs: {(DQ ('stderr data transfer'))}
          spids: [7]
        )
      ]
      spids: [7]
    )
    (ForEach
      iter_name: n
      iter_words: [{(SQ )} {(-n)}]
      do_arg_iter: False
      body: 
        (DoGroup
          children: [
            (ForEach
              iter_name: p
              iter_words: [{(${ VSub_Name SSH_PROTOCOLS)}]
              do_arg_iter: False
              body: 
                (DoGroup
                  children: [
                    (C {(verbose)} 
                      {
                        (DQ ('test ') ($ VSub_Name '$tid') (': proto ') ($ VSub_Name '$p') (' (') 
                          ($ VSub_Name '$n') (')')
                        )
                      }
                    )
                    (SimpleCommand
                      words: [
                        {(${ VSub_Name SSH)}
                        {($ VSub_Name '$n')}
                        {(-) ($ VSub_Name '$p')}
                        {(-F)}
                        {($ VSub_Name '$OBJ') (/ssh_proxy)}
                        {(otherhost)}
                        {(exec)}
                        {(sh)}
                        {(-c)}
                        {(EscapedLiteralPart token:<Lit_EscapedChar "\\'">) 
                          (DQ ('exec > /dev/null; sleep 3; cat ') (${ VSub_Name DATA) (' 1>&2 ') 
                            ($ VSub_Name '$s')
                          ) (EscapedLiteralPart token:<Lit_EscapedChar "\\'">)
                        }
                      ]
                      redirects: [
                        (Redir
                          op_id: Redir_Great
                          fd: 2
                          arg_word: {(${ VSub_Name COPY)}
                          spids: [91]
                        )
                      ]
                    )
                    (Assignment
                      keyword: Assign_None
                      pairs: [
                        (assign_pair
                          lhs: (LhsName name:r)
                          op: Equal
                          rhs: {($ VSub_QMark '$?')}
                          spids: [98]
                        )
                      ]
                      spids: [98]
                    )
                    (If
                      arms: [
                        (if_arm
                          cond: [
                            (Sentence
                              child: 
                                (C {(Lit_Other '[')} {($ VSub_Name '$r')} {(-ne)} {(0)} {(Lit_Other ']')})
                              terminator: <Op_Semi ';'>
                            )
                          ]
                          action: [(C {(fail)} {(DQ ('ssh failed with exit code ') ($ VSub_Name '$r'))})]
                          spids: [-1 115]
                        )
                      ]
                      spids: [-1 126]
                    )
                    (AndOr
                      children: [
                        (C {(cmp)} {(${ VSub_Name DATA)} {(${ VSub_Name COPY)})
                        (C {(fail)} {(DQ ('stderr corrupt'))})
                      ]
                      op_id: Op_DPipe
                    )
                    (C {(rm)} {(-f)} {(${ VSub_Name COPY)})
                    (SimpleCommand
                      words: [
                        {(${ VSub_Name SSH)}
                        {($ VSub_Name '$n')}
                        {(-) ($ VSub_Name '$p')}
                        {(-F)}
                        {($ VSub_Name '$OBJ') (/ssh_proxy)}
                        {(otherhost)}
                        {(exec)}
                        {(sh)}
                        {(-c)}
                        {(EscapedLiteralPart token:<Lit_EscapedChar "\\'">) 
                          (DQ ('echo a; exec > /dev/null; sleep 3; cat ') (${ VSub_Name DATA) 
                            (' 1>&2 ') ($ VSub_Name '$s')
                          ) (EscapedLiteralPart token:<Lit_EscapedChar "\\'">)
                        }
                      ]
                      redirects: [
                        (Redir
                          op_id: Redir_Great
                          fd: -1
                          arg_word: {(/dev/null)}
                          spids: [195]
                        )
                        (Redir
                          op_id: Redir_Great
                          fd: 2
                          arg_word: {(${ VSub_Name COPY)}
                          spids: [199]
                        )
                      ]
                    )
                    (Assignment
                      keyword: Assign_None
                      pairs: [
                        (assign_pair
                          lhs: (LhsName name:r)
                          op: Equal
                          rhs: {($ VSub_QMark '$?')}
                          spids: [206]
                        )
                      ]
                      spids: [206]
                    )
                    (If
                      arms: [
                        (if_arm
                          cond: [
                            (Sentence
                              child: 
                                (C {(Lit_Other '[')} {($ VSub_Name '$r')} {(-ne)} {(0)} {(Lit_Other ']')})
                              terminator: <Op_Semi ';'>
                            )
                          ]
                          action: [(C {(fail)} {(DQ ('ssh failed with exit code ') ($ VSub_Name '$r'))})]
                          spids: [-1 223]
                        )
                      ]
                      spids: [-1 234]
                    )
                    (AndOr
                      children: [
                        (C {(cmp)} {(${ VSub_Name DATA)} {(${ VSub_Name COPY)})
                        (C {(fail)} {(DQ ('stderr corrupt'))})
                      ]
                      op_id: Op_DPipe
                    )
                    (C {(rm)} {(-f)} {(${ VSub_Name COPY)})
                  ]
                  spids: [38 264]
                )
              spids: [32 36]
            )
          ]
          spids: [25 266]
        )
      spids: [18 23]
    )
  ]
)