(If
  (DBracket {B1 UNARY_STRING_z {[DQ [VarSub VBM]]}})
  (List
    (If
      (Pipeline!
        (Com {[LIT_CHARS command]} {[LIT_CHARS -v]} {[LIT_CHARS VBoxManage]}
          <
          (DescriptorRedirectNode target={[LIT_CHARS /dev/null]} <REDIR_GREATAND ">&"> 1),
          >
        )
      )
      (List
        (Com {[LIT_CHARS echo]} {[DQ [LIT_CHARS "VBoxManage not found!"]]}
          <
          (DescriptorRedirectNode target={[LIT_CHARS 2]} <REDIR_GREATAND ">&"> 1),
          >
        )
        (Com {[LIT_CHARS echo]} {[DQ [LIT_CHARS "  Please ensure VirtualBox is installed and VBoxManage is on your system PATH."]]}
          <
          (DescriptorRedirectNode target={[LIT_CHARS 2]} <REDIR_GREATAND ">&"> 1),
          >
        )
        (Com {[LIT_CHARS exit]} {[LIT_CHARS 1]}        )
      )
    )
    (FunctionDef check_version []
      (List
        (= scope=<EAssignScope.LOCAL 0> flags=0 words=[] bindings=[('MIN_MAJOR', {[LIT_CHARS 4]})])
        (= scope=<EAssignScope.LOCAL 0> flags=0 words=[] bindings=[('MIN_MINOR', {[LIT_CHARS 3]})])
        (= scope=<EAssignScope.LOCAL 0> flags=0 words=[] bindings=[('IFS', {[SQ <LIT_CHARS .>]})])
        (= scope=<EAssignScope.LOCAL 0> flags=0 words=[] bindings=[('version', {[DQ [ComSub (Com {[LIT_CHARS VBoxManage]} {[LIT_CHARS --version]})]]})])
        (= scope=<EAssignScope.LOCAL 0> flags=0 words=[{[LIT_CHARS version_array]}] bindings=[])
        (Com {[LIT_CHARS read]} {[LIT_CHARS -a]} {[LIT_CHARS version_array]}
          <
          (HereWordRedirectNode here_word={[DQ [VarSub version]]} <REDIR_TLESS "<<<"> 0),
          >
        )
        (If
          (Pipeline!
            (DBracket {B? LOGICAL_BINARY_AND {B2 BINARY_INT_GE {[DQ [VarSub version_array bracket_op=(Index {A Atom NODE_ARITH_WORD {[AS_NUM_LITERAL 0]}})]]} {[DQ [VarSub MIN_MAJOR]]}} {B2 BINARY_INT_GE {[DQ [VarSub version_array bracket_op=(Index {A Atom NODE_ARITH_WORD {[AS_NUM_LITERAL 1]}})]]} {[DQ [VarSub MIN_MINOR]]}}})
          )
          (List
            (Com {[LIT_CHARS echo]} {[DQ [LIT_CHARS "ERROR: VirtualBox "][VarSub version][LIT_CHARS " is less than "][VarSub MIN_MAJOR][LIT_CHARS .][VarSub MIN_MINOR][LIT_CHARS ".x!"]]}
              <
              (DescriptorRedirectNode target={[LIT_CHARS 2]} <REDIR_GREATAND ">&"> 1),
              >
            )
            (Com {[LIT_CHARS echo]} {[DQ [LIT_CHARS "  Only VirtualBox >= "][VarSub MIN_MAJOR][LIT_CHARS .][VarSub MIN_MINOR][LIT_CHARS ".x is officially supported."]]}
              <
              (DescriptorRedirectNode target={[LIT_CHARS 2]} <REDIR_GREATAND ">&"> 1),
              >
            )
            (Com {[LIT_CHARS exit]} {[LIT_CHARS 1]}            )
          )
        )
      )
    )
    (Com {[LIT_CHARS check_version]}    )
    (Com {[LIT_CHARS unset]} {[LIT_CHARS -f]} {[LIT_CHARS check_version]}    )
    (= scope=<EAssignScope.GLOBAL 1> flags=1 words=[] bindings=[('VBM', {[LIT_CHARS VBoxManage]})])
  )
)