1NGRAMMERGE(1)                    User Commands                   NGRAMMERGE(1)
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NAME

6       ngrammerge - manual page for ngrammerge 1.3.14
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DESCRIPTION

9       Merge n-gram 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_t, default  =
19              0  Backoff  label  --beta: type = double, default = 1 Weight for
20              second (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              =  std::string,  default  =  ""  Context  pattern for second FST
24              --contexts: type = std::string, default =  ""  Context  patterns
25              file  (all  FSTs) --max_replace_order: type = int32_t, default =
26              -1 Maximum order to replace in replace_merge, ignored  if  <  1.
27              --method:  type  =  std::string, default = "count_merge" One of:
28              "context_merge",          "count_merge",           "model_merge"
29              "bayes_model_merge",      "histogram_merge",     "replace_merge"
30              --norm_eps: type = double, default = 0.001  Normalization  check
31              epsilon  --normalize: type = bool, default = false Normalize re‐
32              sulting model --ofile: type = std::string, default =  ""  Output
33              file  --round_to_int:  type  =  bool,  default = false Round all
34              merged counts to integers
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36       LIBRARY FLAGS:
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38       Flags from: flags.cc
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40       --help: type = bool, default = false
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42              show usage information --helpshort: type = bool, default = false
43              show  brief  usage information --tmpdir: type = std::string, de‐
44              fault = "/tmp" temporary directory --v: type = int32_t,  default
45              = 0 verbosity level
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47       Flags from: fst.cc
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49       --fst_align: type = bool, default = false
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51              Write FST data aligned where appropriate --fst_default_cache_gc:
52              type = bool, default = true Enable garbage collection  of  cache
53              --fst_default_cache_gc_limit:  type = int64_t, default = 1048576
54              Cache   byte   size    that    triggers    garbage    collection
55              --fst_read_mode:  type  =  std::string, default = "read" Default
56              file reading mode for  mappable  files  --fst_verify_properties:
57              type  =  bool,  default = false Verify FST properties queried by
58              TestProperties --save_relabel_ipairs: type  =  std::string,  de‐
59              fault  =  ""  Save  input  relabel  pairs  to  file --save_rela‐
60              bel_opairs: type = std::string, default = "" Save output relabel
61              pairs to file
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63       Flags from: ngram-output.cc
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65       --end_symbol: type = std::string, default = "</s>"
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67              Class label for sentence end --start_symbol: type = std::string,
68              default = "<s>" Class label for sentence start
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70       Flags from: symbol-table.cc
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72       --fst_compat_symbols: type = bool, default = true
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74              Require symbol tables to match when appropriate --fst_field_sep‐
75              arator: type = std::string, default = "         " Set of charac‐
76              ters used as a separator between printed fields
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78       Flags from: util.cc
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80       --fst_error_fatal: type = bool, default = true
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82              FST errors are fatal; o.w. return objects flagged as bad:  e.g.,
83              FSTs:   kError   property  set,  FST  weights:  not  a  Member()
84              --ngram_error_fatal: type = bool, default =  true  NGram  errors
85              are  fatal  if  true;  otherwise returns objects flagged as bad:
86              e.g., NGramModel::Error() is true
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88       Flags from: weight.cc
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90       --fst_weight_parentheses: type = std::string, default = ""
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92              Characters enclosing the first weight  of  a  printed  composite
93              weight  (e.g., pair weight, tuple weight and derived classes) to
94              ensure proper I/O of nested composite weights; must have size  0
95              (none) or 2 (open and close parenthesis) --fst_weight_separator:
96              type = std::string, default = ","  Character  separator  between
97              printed composite weights; must be a single character
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101ngrammerge 1.3.14                February 2022                   NGRAMMERGE(1)