GroongaのUTF-8なDBに対してShift_JIS（cmd.exe）で全文検索する3つの方法 ref: http://qiita.com/myokoym/items/c7ea4c83dad080d8ebbe

file0.txt

> groonga -n --encoding sjis test.db

file1.txt

gem install grnlip

file2.txt

> grnlip \path\to\groonga.exe \path\to\db utf-8

file3.txt

% grnlip groonga ~/.feedcellar/db/feedcellar.db
groonga(feedcellar.db)> status
[[0,1449073618.25274,0.00140500068664551],{"alloc_count":200,"starttime":1449073618,"start_time":1449073618,"uptime":0,"version":"5.1.0","n_queries":0,"cache_hit_rate":0.0,"command_version":1,"default_command_version":1,"max_command_version":2}]
groonga(feedcellar.db)> pp status
[
  [
    0,
    1449073621.71188,
    9.48905944824219e-05
  ],
  {
    "alloc_count": 200,
    "starttime": 1449073621,
    "start_time": 1449073621,
    "uptime": 0,
    "version": "5.1.0",
    "n_queries": 0,
    "cache_hit_rate": 0.0,
    "command_version": 1,
    "default_command_version": 1,
    "max_command_version": 2
  }
]