get_shops: Implements the Multi-language version Restaurant Search API.
In gmlang/RGurunavi:

Description Usage Arguments Value See Also Examples

http://api.gnavi.co.jp/api/manual_e.html#api01

get_shops(api_key = "eca7388c8a3c6332eb702a21bcc63b46", lang = "en",
  pref_code = "", areacode_s = "", category_l_code = "",
  category_s_code = "", english_speaking = 0, korean_speaking = 0,
  chinese_speaking = 0, english_menu = 0, korean_menu = 0,
  chinese_menu = 0, vegetarian_menu = 0, wifi = 0, card = 0,
  private_room = 0, no_smoking = 1, verbose = TRUE)

`api_key`	string, your own Gurunavi API key. Ours has been provided for convenience.
`lang`	string, language of the returned data. Default = "en", can also take values of "ja", "zh_cn", "zh_tw", "ko".
`pref_code`	string, prefecture code.
`areacode_s`	string, small area code.
`category_l_code`	string, main biz category code
`category_s_code`	string, biz sub-category code
`english_speaking`	0 or 1, where 1 means Yes
`korean_speaking`	0 or 1, where 1 means Yes
`chinese_speaking`	0 or 1, where 1 means Yes
`english_menu`	0 or 1, where 1 means Yes
`korean_menu`	0 or 1, where 1 means Yes
`chinese_menu`	0 or 1, where 1 means Yes
`vegetarian_menu`	0 or 1, where 1 means Yes
`wifi`	0 or 1, where 1 means Yes
`card`	0 or 1, where 1 means Yes
`private_room`	0 or 1, where 1 means Yes
`no_smoking`	0 or 1, where 1 means Yes
`verbose`	TRUE or FALSE, whether to print status messsages

A data frame of shop info or a warning message when cannot find any records.

query_data, extract_shop_info

get_shops(lang = "en", pref_code = "PREF27", areacode_s = "AREAS3144", category_l_code = "RSFST02000", card = 1)
get_shops(lang = "ja", pref_code = "PREF27", category_l_code = "RSFST02000", category_s_code = "RSFST02001")
get_shops(lang = "zh_cn", pref_code = "PREF27", chinese_menu = 1, chinese_speaking = 1)
get_shops(lang = "zh_tw", pref_code = "PREF27", chinese_menu = 1, wifi = 1, card = 1)
get_shops(lang = "ko", pref_code = "PREF27", korean_speaking = 1, korean_menu = 1)