// See www.openfst.org for extensive documentation on this weighted
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// finite-state transducer library.
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//
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// Prints some basic information about the FSTs in an FST archive.
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#include <string>
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#include <vector>
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#include <fst/flags.h>
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#include <fst/extensions/far/farscript.h>
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#include <fst/extensions/far/getters.h>
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DEFINE_string(begin_key, "",
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"First key to extract (default: first key in archive)");
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DEFINE_string(end_key, "",
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"Last key to extract (default: last key in archive)");
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DEFINE_bool(list_fsts, false, "Display FST information for each key");
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int main(int argc, char **argv) {
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namespace s = fst::script;
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string usage = "Prints some basic information about the FSTs in an FST ";
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usage += "archive.\n\n Usage:";
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usage += argv[0];
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usage += " [in1.far in2.far...]\n";
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usage += " Flags: begin_key end_key list_fsts";
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std::set_new_handler(FailedNewHandler);
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SET_FLAGS(usage.c_str(), &argc, &argv, true);
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s::ExpandArgs(argc, argv, &argc, &argv);
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std::vector<string> in_fnames;
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for (int i = 1; i < argc; ++i) in_fnames.push_back(argv[i]);
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if (in_fnames.empty()) in_fnames.push_back("");
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const auto arc_type = s::LoadArcTypeFromFar(in_fnames[0]);
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if (arc_type.empty()) return 1;
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s::FarInfo(in_fnames, arc_type, FLAGS_begin_key, FLAGS_end_key,
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FLAGS_list_fsts);
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return 0;
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}
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