$ ./pbc_info t/native_pbc/string_1.pbc 
DIRECTORY
  BYTECODE_t/op/string_133.pasm
  FIXUP_t/op/string_133.pasm
  CONSTANT_t/op/string_133.pasm
  PIC_idx_t/op/string_133.pasm
  BYTECODE_t/op/string_133.pasm_DB
  dir2
    code
  dir3