---
name: "mecab"
section: "1"
platform: "linux"
package: "mecab"
version: "0.996-15.1+b6"
release: "Debian 13 (Trixie)"
platforms: ["linux"]
url: "https://new.carta.tech/mecab"
---

# mecab(1)

Yet Another Part-of-Speech and Morphological Analyzer

## NAME

mecab - Yet Another Part-of-Speech and Morphological Analyzer

## SYNOPSIS

**mecab** \[*options*\] *files*

## DESCRIPTION

MeCab: Yet Another Part-of-Speech and Morphological Analyzer

Copyright(C) 2001-2008 Taku Kudo Copyright(C) 2004-2008 Nippon Telegraph and Telephone Corporation

- **-r**, **--rcfile**=*FILE*

  use FILE as resource file

- **-d**, **--dicdir**=*DIR*

  set DIR  as a system dicdir

- **-u**, **--userdic**=*FILE*

  use FILE as a user dictionary

- **-l**, **--lattice-level**=*INT*

  lattice information level (default 0)

- **-D**, **--dictionary-info**

  show dictionary information and exit

- **-a**, **--all-morphs**

  output all morphs(default false)

- **-O**, **--output-format-type**=*TYPE*

  set output format type (wakati,none,...)

- **-p**, **--partial**

  partial parsing mode

- **-F**, **--node-format**=*STR*

  use STR as the user-defined node format

- **-U**, **--unk-format**=*STR*

  use STR as the user-defined unk format

- **-B**, **--bos-format**=*STR*

  use STR as the user-defined bos format

- **-E**, **--eos-format**=*STR*

  use STR as the user-defined eos format

- **-x**, **--unk-feature**=*STR*

  use STR as the feature for unknown word

- **-b**, **--input-buffer-size**=*INT*

  set input buffer size (default 8192)

- **-P**, **--dump-config**

  dump MeCab parameters

- **-M**, **--open-mutable-dictionary**

  open dictioanry with mutable mode (experimental)

- **-C**, **--allocate-sentence**

  allocate new memory for input sentence

- **-N**, **--nbest**=*INT*

  output N best results (default 1)

- **-t**, **--theta**=*FLOAT*

  set temparature parameter theta (default 0.75)

- **-c**, **--cost-factor**=*INT*

  set cost factor (default 700)

- **-o**, **--output**=*FILE*

  set the output file name

- **-v**, **--version**

  show the version and exit.

- **-h**, **--help**

  show this help and exit.