1NGRAMMERGE(1) User Commands NGRAMMERGE(1)
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6 ngrammerge - manual page for ngrammerge 1.3.4
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9 Merge ngram models.
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11 Usage: ngrammerge [--options] -ofile=out.fst in1.fst in2.fst
12 [in3.fst ...]
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14 PROGRAM FLAGS:
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16 --alpha: type = double, default = 1
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18 Weight for first FST --backoff_label: type = int64, default = 0
19 Backoff label --beta: type = double, default = 1 Weight for sec‐
20 ond (and subsequent) FST(s) --check_consistency: type = bool,
21 default = false Check model consistency --complete: type = bool,
22 default = false Complete partial models --context_pattern: type
23 = string, default = "" Context pattern for second FST --con‐
24 texts: type = string, default = "" Context patterns file (all
25 FSTs) --method: type = string, default = "count_merge" One of:
26 "context_merge", "count_merge", "model_merge"
27 "bayes_model_merge", "histogram_merge" --norm_eps: type = dou‐
28 ble, default = 0.001 Normalization check epsilon --normalize:
29 type = bool, default = false Normalize resulting model --ofile:
30 type = string, default = "" Output file --round_to_int: type =
31 bool, default = false Round all merged counts to integers
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33 LIBRARY FLAGS:
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35 Flags from: flags.cc
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37 --help: type = bool, default = false
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39 show usage information --helpshort: type = bool, default = false
40 show brief usage information --tmpdir: type = string, default =
41 "/tmp" temporary directory --v: type = int32, default = 0 ver‐
42 bosity level
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44 Flags from: fst.cc
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46 --fst_align: type = bool, default = false
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48 Write FST data aligned where appropriate --fst_default_cache_gc:
49 type = bool, default = true Enable garbage collection of cache
50 --fst_default_cache_gc_limit: type = int64, default = 1048576
51 Cache byte size that triggers garbage collection
52 --fst_read_mode: type = string, default = "read" Default file
53 reading mode for mappable files --fst_verify_properties: type =
54 bool, default = false Verify FST properties queried by TestProp‐
55 erties --save_relabel_ipairs: type = string, default = "" Save
56 input relabel pairs to file --save_relabel_opairs: type =
57 string, default = "" Save output relabel pairs to file
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59 Flags from: ngram-output.cc
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61 --end_symbol: type = string, default = "</s>"
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63 Class label for sentence end --start_symbol: type = string,
64 default = "<s>" Class label for sentence start
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66 Flags from: symbol-table.cc
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68 --fst_compat_symbols: type = bool, default = true
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70 Require symbol tables to match when appropriate --fst_field_sep‐
71 arator: type = string, default = " " Set of characters used
72 as a separator between printed fields
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74 Flags from: util.cc
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76 --fst_error_fatal: type = bool, default = true
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78 FST errors are fatal; o.w. return objects flagged as bad: e.g.,
79 FSTs: kError property set, FST weights: not a Member()
80 --ngram_error_fatal: type = bool, default = true NGram errors
81 are fatal if true; otherwise returns objects flagged as bad:
82 e.g., NGramModel::Error() is true
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84 Flags from: weight.cc
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86 --fst_weight_parentheses: type = string, default = ""
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88 Characters enclosing the first weight of a printed composite
89 weight (e.g., pair weight, tuple weight and derived classes) to
90 ensure proper I/O of nested composite weights; must have size 0
91 (none) or 2 (open and close parenthesis) --fst_weight_separator:
92 type = string, default = "," Character separator between printed
93 composite weights; must be a single character
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97ngrammerge 1.3.4 January 2018 NGRAMMERGE(1)