44   namespace s = fst::script;  in main()
45   using fst::SymbolTable;  in main()
46   using fst::SymbolTableTextOptions;  in main()
47   using fst::script::FstClass;  in main()
48   using fst::script::MutableFstClass;  in main()
71   MutableFstClass *fst = MutableFstClass::Read(in_name, true);  in main()  local
72   if (!fst) return 1;  in main()
78     bool attach_new_isymbols = (fst->InputSymbols() != 0);  in main()
80         ? fst->InputSymbols()  in main()
86     bool attach_new_osymbols = (fst->OutputSymbols() != 0);  in main()
88         ? fst->OutputSymbols()  in main()
94     s::Relabel(fst,  in main()
103       if(!fst::ReadLabelPairs(FLAGS_relabel_ipairs, &ipairs,  in main()
108       if (!fst::ReadLabelPairs(FLAGS_relabel_opairs, &opairs,  in main()
112     s::Relabel(fst, ipairs, opairs);  in main()
115   fst->Write(out_name);  in main()