(command.CommandList children: [ (command.ShAssignment pairs: [ (assign_pair lhs: (sh_lhs_expr.Name name:test_description) op: assign_op.Equal rhs: {(SQ (Token id:Id.Lit_Chars val:'histogram diff algorithm' span_id:6))} spids: [4] ) ] ) (C {(.)} {(./test-lib.sh)}) (C {(.)} {(DQ ($ Id.VSub_DollarName '$TEST_DIRECTORY')) (/lib-diff-alternative.sh)}) (C {(test_diff_frobnitz)} {(DQ (histogram))}) (C {(test_diff_unique)} {(DQ (histogram))}) (C {(test_done)}) ] )