Add user dictionary to MeCab

environment

Create a dictionary

vi user_dic.csv

How to use,-1,-1,1,noun,General,*,*,*,*,*,*,*,mydic
instruction manual,-1,-1,1,noun,General,*,*,*,*,*,*,*,mydic
...

Compiling user dictionaries

$ /usr/local/Cellar/mecab/0.996/libexec/mecab/mecab-dict-index \
-d /usr/local/lib/mecab/dic/ipadic \
-u user.dic \
-f utf-8 \
-t utf-8 user.csv

--Meaning of option --- d DIR: Directory with system dictionary --- u FILE: Create a user file called FILE --- f charset: CSV character code --- t charset: Character code of binary dictionary

Because it is said that

/usr/local/Cellar/mecab/0.996/libexec/mecab/mecab-dict-index \
-d /usr/local/lib/mecab/dic/ipadic \
-u user_dic.dic \
-f utf-8 \
-t utf-8 \
user_dic.csv 

You now have user_dic.dic.

Add dictionary

vi /usr/local/etc/mecabrc

userdic = /Users/.../user_dic.dic

I was able to add it.

Operation check

$ mecab
instruction manual
Instruction manual noun,General,*,*,*,*,*,*,*,mydic
EOS

It looks like it's done.

Other

Adding a verb seems to be a hassle. http://www.mwsoft.jp/programming/nlp/mecab_dictionary_customize.html

reference

-Adding words to MeCab user dictionary -Add mecab user dictionary -Add user dictionary to MeCab -Blog of an engineer who likes Tachikoma

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