(CommandList
  children: [
    (AndOr
      children: [(C {(.)} {(sources/utility_functions.sh)}) (C {(exit)} {(1)})]
      op_id: Op_DPipe
    )
    (AndOr
      children: [
        (C {(Lit_Other "[")} {(-z)} {(DQ (${ VSub_Name ARCHES))} {(Lit_Other "]")})
        (Assignment
          keyword: Assign_None
          pairs: [
            (assign_pair
              lhs: (LhsName name:ARCHES)
              op: Equal
              rhs: 
                {
                  (DQ 
                    (CommandSubPart
                      command_list: (CommandList children:[(C {(ls)} {(sources/targets)})])
                      left_token: <Left_CommandSub "$(">
                      spids: [43 47]
                    )
                  )
                }
              spids: [41]
            )
          ]
          spids: [41]
        )
      ]
      op_id: Op_DAmp
    )
    (ForEach
      iter_name: TARGET
      iter_words: [{($ VSub_Name "$ARCHES")}]
      do_arg_iter: False
      body: 
        (DoGroup
          children: [
            (AndOr
              children: [
                (C {(Lit_Other "[")} {(KW_Bang "!")} {(-f)} 
                  {(DQ (sources/targets/) ($ VSub_Name "$TARGET"))} {(Lit_Other "]")}
                )
                (ControlFlow token:<ControlFlow_Continue continue>)
              ]
              op_id: Op_DAmp
            )
            (C {(announce)} {(DQ ($ VSub_Name "$TARGET") (" running"))})
            (C {(maybe_fork)} {(DQ ($ VSub_Star "$*") (" 2>&1 | maybe_quiet"))})
          ]
          spids: [59 95]
        )
      spids: [56 -1]
    )
    (C {(wait)})
  ]
)