{"id":8049,"date":"2022-12-28T18:25:05","date_gmt":"2022-12-28T09:25:05","guid":{"rendered":"https:\/\/gunmagisgeek.com\/blog\/?p=8049"},"modified":"2022-12-29T14:36:50","modified_gmt":"2022-12-29T05:36:50","slug":"csv%e3%82%84json%e3%81%ae%e3%83%87%e3%83%bc%e3%82%bf%e3%82%92%e6%89%8b%e8%bb%bd%e3%81%ab%e6%95%b4%e5%bd%a2%e3%81%a7%e3%81%8d%e3%82%8b%e3%82%b3%e3%83%9e%e3%83%b3%e3%83%89%e3%83%a9%e3%82%a4%e3%83%b3","status":"publish","type":"post","link":"https:\/\/gunmagisgeek.com\/blog\/app\/8049","title":{"rendered":"CSV\u3084JSON\u306e\u30c7\u30fc\u30bf\u3092\u624b\u8efd\u306b\u6574\u5f62\u3067\u304d\u308b\u30b3\u30de\u30f3\u30c9\u30e9\u30a4\u30f3\u30c4\u30fc\u30eb\u300cMiller\u300d\u30ac\u30a4\u30c9"},"content":{"rendered":"\n

Miller<\/a> \u306f\u3001CSV\u3001TSV\u3001JSON\u306a\u3069\u3001\u3055\u307e\u3056\u307e\u306a\u5f62\u5f0f\u306e\u30c7\u30fc\u30bf \u30d5\u30a1\u30a4\u30eb\u3092\u64cd\u4f5c\u3001\u6574\u5f62\u3001\u304a\u3088\u3073\u518d\u30d5\u30a9\u30fc\u30de\u30c3\u30c8\u3059\u308b\u305f\u3081\u306e\u30b3\u30de\u30f3\u30c9\u30e9\u30a4\u30f3\u30c4\u30fc\u30eb\u3067\u3059\u3002<\/p>\n\n\n\n

\u30c7\u30fc\u30bf\u6574\u5f62\u306b\u4f7f\u3048\u308b\u30b3\u30de\u30f3\u30c9\u30c4\u30fc\u30eb\u3068\u3057\u3066\u306fawk\u3084jq\u306a\u3069\u304c\u3042\u308a\u307e\u3059\u304c\u3001Miller \u306f\u30c7\u30fc\u30bf\u5206\u6790\u306b\u5fc5\u8981\u306a\u524d\u51e6\u7406\uff08\u30c7\u30fc\u30bf\u30af\u30ea\u30fc\u30cb\u30f3\u30b0\u3001\u30c7\u30fc\u30bf\u524a\u6e1b\/\u30d5\u30a3\u30eb\u30bf\u30ea\u30f3\u30b0\u3001\u30d5\u30a9\u30fc\u30de\u30c3\u30c8\u306e\u5909\u63db\uff09\u3092\u624b\u8efd\u306b\u884c\u3048\u308b\u3088\u3046\u306b\u8a2d\u8a08\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n

\u307e\u305f\u3001\u65e5\u6642(\u6587\u5b57\u5217)\u306e\u5024\u3092Date\u578b\u306b\u5909\u63db\u3057\u3066\u51e6\u7406\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u308b\u305f\u3081\u3001\u6642\u7cfb\u5217\u30c7\u30fc\u30bf\u3092\u7c21\u5358\u306b\u6574\u5f62\u3057\u305f\u308a\u30d5\u30a3\u30eb\u30bf\u30ea\u30f3\u30b0\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n

\u8868\u5f62\u5f0f\u30c7\u30fc\u30bf\u306a\u3069key-value-pairs\u306e\u30ea\u30b9\u30c8\u30c7\u30fc\u30bf\u3092\u30b3\u30de\u30f3\u30c9\u30e9\u30a4\u30f3\u3067\u64cd\u4f5c\u3057\u305f\u3044\u3068\u304d\u306b\u3068\u3066\u3082\u4fbf\u5229\u306a\u30c4\u30fc\u30eb\u306a\u306e\u3067\u304a\u52e7\u3081\u3067\u3059\u3002<\/p>\n\n\n\n

\u25a0\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb<\/h2>\n\n\n\n

miller\u306e\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u65b9\u6cd5\u306b\u3064\u3044\u3066\u306f\u300cInstalling Miller<\/a>\u300d\u30da\u30fc\u30b8\u3092\u53c2\u7167\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n\n\n\n

Linux\u3067\u3042\u308c\u3070yum\u3084apt\u3001Mac\u3067\u3042\u308c\u3070brew\u3001windows\u306a\u3089choco\u306a\u3069\u306e\u30d1\u30c3\u30b1\u30fc\u30b8\u7ba1\u7406\u30c4\u30fc\u30eb\u3067\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n

\u305f\u3060\u3057windows\u306e\u5834\u5408\u3001\u6587\u5b57\u30b3\u30fc\u30c9\u306e\u95a2\u4fc2\u3067\u30b3\u30de\u30f3\u30c9\u30d7\u30ed\u30f3\u30d7\u30c8\u3084\u30c7\u30d5\u30a9\u30eb\u30c8\u8a2d\u5b9a\u306ePowerShell\u3067\u4f7f\u3046\u306e\u306f\u96e3\u3057\u3044\u304b\u3082\u3057\u308c\u307e\u305b\u3093\u3002<\/p>\n\n\n\n

\u305d\u306e\u305f\u3081\u3001windows\u306e\u5834\u5408\u306fWSL\u3067\u4f7f\u7528\u3059\u308b\u306e\u3092\u304a\u52e7\u3081\u3057\u307e\u3059\u3002<\/p>\n\n\n\n

\u306a\u304a\u3001wsl(Ubuntu)\u306bapt\u3067\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3057\u3066\u307f\u305f\u3068\u3053\u308d\u3001\u30d0\u30fc\u30b8\u30e7\u30f3\u304c\u53e4\u3044\u306e\u304b\u516c\u5f0f\u30c9\u30ad\u30e5\u30e1\u30f3\u30c8\u306b\u306e\u3063\u3066\u3044\u308bverb\u3067\u3082\u4f7f\u3048\u306a\u3044\u3082\u306e\u304c\u3044\u304f\u3064\u304b\u3042\u308a\u307e\u3057\u305f\u3002<\/p>\n\n\n\n

\u25a0mlr\u30b3\u30de\u30f3\u30c9\u306e\u57fa\u672c\u5f62\u5f0f<\/h2>\n\n\n\n

miller\u306e\u30b3\u30de\u30f3\u30c9\u540d\u306f\u300cmlr\u300d\u3067\u3001\u57fa\u672c\u7684\u306a\u66f8\u5f0f\u306f\u4ee5\u4e0b\u3068\u306a\u308a\u307e\u3059\u3002<\/p>\n\n\n\n

$ mlr [\u5165\u529b\/\u51fa\u529b\u3092\u6307\u5b9a\u3059\u308b\u30aa\u30d7\u30b7\u30e7\u30f3] [verb(\u52d5\u8a5e)] [verb\u306e\u30aa\u30d7\u30b7\u30e7\u30f3] [\u30d5\u30a1\u30a4\u30eb\u540d]\n<\/pre><\/div>\n\n\n\n
verb(\u30f4\u30a1\u30fc\u30d6)\u306f\u3001mlr\u30b3\u30de\u30f3\u30c9\u3067\u884c\u3046\u51e6\u7406\u3092\u6307\u5b9a\u3059\u308b\u7b87\u6240\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n\n\n\n
\u30c7\u30fc\u30bf\u3092\u30d5\u30a3\u30eb\u30bf\u30ea\u30f3\u30b0\u3059\u308b\u306e\u304b\u3001\u30bd\u30fc\u30c8\u3059\u308b\u306e\u304b\u3001\u7d50\u5408\u3059\u308b\u306e\u304b\u3001\u3042\u308b\u3044\u306f\u96c6\u8a08\u3059\u308b\u306e\u304b\u306a\u3069\u3092\u30f4\u30a1\u30fc\u30d6\u3067\u6307\u5b9a\u3057\u307e\u3059\u3002<\/p>\n\n\n\n
-l\u30aa\u30d7\u30b7\u30e7\u30f3\u3067\u30f4\u30a1\u30fc\u30d6\u306e\u4e00\u89a7\u3092\u53d6\u5f97\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n
$ mlr -l<\/pre><\/div>\n\n\n\n
\"\"
\u307e\u305f\u3001<verb> –help\u30aa\u30d7\u30b7\u30e7\u30f3\u3067\u5404\u30f4\u30a1\u30fc\u30d6\u306e\u30d8\u30eb\u30d7\u3092\u78ba\u8a8d\u3067\u304d\u307e\u3059\u3002<\/figcaption><\/figure>\n\n\n\n
$ mlr <verb> --help<\/pre><\/div>\n\n\n\n
\"\"<\/figure>\n\n\n\n
\u25a0\u30b5\u30f3\u30d7\u30eb\u30c7\u30fc\u30bf<\/h2>\n\n\n\n
\u8a18\u4e8b\u3067\u4f7f\u7528\u3057\u305f\u30b5\u30f3\u30d7\u30eb\u30c7\u30fc\u30bf\u306f\u4ee5\u4e0b\u306b\u7f6e\u3044\u3066\u3042\u308a\u307e\u3059\u3002<\/p>\n\n\n\n
sample data<\/a><\/p>\n\n\n\n
\u25a0\u30d5\u30a1\u30a4\u30eb\u306e\u5165\u529b\u30fb\u51fa\u529b<\/h2>\n\n\n\n
\u30fbcsv\u30d5\u30a1\u30a4\u30eb\u3092\u8aad\u307f\u8fbc\u307f\u3001\u305d\u306e\u307e\u307e\u51fa\u529b\u3059\u308b<\/h3>\n\n\n\n
$ mlr --csv cat sample.csv<\/pre><\/div>\n\n\n\n
–csv\u30aa\u30d7\u30b7\u30e7\u30f3\u3067\u5165\u51fa\u529b\u306e\u30d5\u30a1\u30a4\u30eb\u5f62\u5f0f\u3092\u6307\u5b9a\u3057cat\u30f4\u30a1\u30fc\u30d6(verb<\/em>)\u3067\u6a19\u6e96\u51fa\u529b\u3092\u6307\u5b9a\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n
\"\"<\/figure>\n\n\n\n
\u30f4\u30a1\u30fc\u30d6\u3092\u3064\u3051\u306a\u3044\u3068\u4f55\u3082\u51fa\u529b\u3055\u308c\u305a\u30a8\u30e9\u30fc\u306b\u306a\u308b\u306e\u3067\u6ce8\u610f\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n\n\n\n
\"\"<\/figure>\n\n\n\n
csv\u306e\u4ed6\u306b\u3082–json\u3067json\u5f62\u5f0f\u306e\u30d5\u30a1\u30a4\u30eb\u3092\u3001–tsv\u3067tsv\u5f62\u5f0f\u306e\u30d5\u30a1\u30a4\u30eb\u3092\u8aad\u307f\u8fbc\u3080\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n
\u30fb\u51fa\u529b\u3059\u308b\u884c\u6570\u3092\u6307\u5b9a\u3059\u308b<\/h3>\n\n\n\n
\u5148\u982d\u884c\u3092\u8868\u793a\u3057\u305f\u3044\u5834\u5408\u306fcat\u30f4\u30a1\u30fc\u30d6\u306e\u4ee3\u308f\u308a\u306bhead\u30f4\u30a1\u30fc\u30d6\u3092\u4f7f\u3044\u307e\u3059<\/p>\n\n\n\n
-n\u30aa\u30d7\u30b7\u30e7\u30f3\u3067\u8868\u793a\u3059\u308b\u884c\u6570\u3092\u6307\u5b9a\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n
$ mlr --csv head -n 4 sample.csv<\/pre><\/div>\n\n\n\n
head\u30f4\u30a1\u30fc\u30d6\u306e\u4ee3\u308f\u308a\u306btail\u30f4\u30a1\u30fc\u30d6\u3092\u4f7f\u3046\u3068\u672b\u5c3e\u304b\u3089\u8868\u793a\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n
$ mlr --csv tail -n 4  sample.csv<\/pre><\/div>\n\n\n\n
\"\"<\/figure>\n\n\n\n
\u30fb\u30c7\u30fc\u30bf\u5f62\u5f0f\u3092\u5909\u63db\u3057\u3066\u51fa\u529b\u3059\u308b<\/h3>\n\n\n\n
csv\u30d5\u30a1\u30a4\u30eb\u3092\u8aad\u307f\u8fbc\u307fjson\u30d5\u30a1\u30a4\u30eb\u3068\u3057\u3066\u51fa\u529b\u3057\u307e\u3059\u3002<\/p>\n\n\n\n
$mlr --icsv --ojson cat sample.csv<\/pre><\/div>\n\n\n\n
\"\"<\/figure>\n\n\n\n
–i<input file type> –o<output file type>\u3000\u3068\u30aa\u30d7\u30b7\u30e7\u30f3\u6307\u5b9a\u3059\u308b\u3053\u3068\u3067\u5165\u529b\u30d5\u30a1\u30a4\u30eb\u5f62\u5f0f\u3068\u51fa\u529b\u30d5\u30a1\u30a4\u30eb\u5f62\u5f0f\u3092\u5909\u66f4\u51fa\u6765\u307e\u3059\u3002<\/p>\n\n\n\n
$ mlr --icsv --ojson cat sample.csv  \/\/csv->json\n$ mlr --itsv --ocsv cat sample.tsv   \/\/tsv-->csv\n$ mlr --icsv --opprint cat sample.csv \/\/csv->pprint(\u6574\u5f62\u3055\u308c\u305f\u8868)<\/pre><\/div>\n\n\n\n
<\/p>\n\n\n\n
\u25a0\u4e0d\u8981\u306a\u30d5\u30a3\u30fc\u30eb\u30c9(\u5217)\u306e\u524a\u9664<\/h2>\n\n\n\n
cut\u30f4\u30a1\u30fc\u30d6\u3092\u4f7f\u3046\u3068\u3001\u51fa\u529b\u3059\u308b\u30d5\u30a3\u30fc\u30eb\u30c9\u3092\u6307\u5b9a\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n
\u3053\u3053\u3067\u306f\u30b5\u30f3\u30d7\u30eb\u30c7\u30fc\u30bf\u306e\u4e2d\u304b\u3089\u3001\u300c\u8abf\u67fb\u5e74\u300d\u3068\u300c\u7dcf\u4eba\u53e3\u300d\u30d5\u30a3\u30fc\u30eb\u30c9\u306e\u307f\u3092\u51fa\u529b\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n
mlr --csv cut -f \u8abf\u67fb\u5e74,\u7dcf\u4eba\u53e3 sample.csv<\/pre><\/div>\n\n\n\n
\"\"
-o\u30aa\u30d7\u30b7\u30e7\u30f3\u3092\u4f7f\u3046\u3068\u51fa\u529b\u3059\u308b\u30d5\u30a3\u30fc\u30eb\u30c9\u306e\u4e26\u3073\u9806\u3092\u5909\u66f4\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/figcaption><\/figure>\n\n\n\n
$ mlr --csv cut -o -f \u7dcf\u4eba\u53e3,\u8abf\u67fb\u5e74 sample.csv<\/pre><\/div>\n\n\n\n
\"\"<\/figure>\n\n\n\n
-x\u30aa\u30d7\u30b7\u30e7\u30f3\u3092\u4f7f\u3046\u3068\u3001\u51fa\u529b\u3057\u306a\u3044\u30d5\u30a3\u30fc\u30eb\u30c9\u3092\u6307\u5b9a\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n
$ mlr --csv cut -x -f \u7dcf\u4eba\u53e3,\u8abf\u67fb\u5e74 sample.csv<\/pre><\/div>\n\n\n\n
\"\"<\/figure>\n\n\n\n
\u25a0\u30c7\u30fc\u30bf\u306e\u30d5\u30a3\u30eb\u30bf\u30ea\u30f3\u30b0<\/h2>\n\n\n\n
filter\u30f4\u30a1\u30fc\u30d6\u3092\u4f7f\u3046\u3068\u3001\u30c7\u30fc\u30bf\u3092\u30d5\u30a3\u30eb\u30bf\u30ea\u30f3\u30b0\u3057\u3066\u51fa\u529b\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n
\u3053\u3053\u3067\u306f\u30b5\u30f3\u30d7\u30eb\u30c7\u30fc\u30bf\u306e\u306a\u304b\u304b\u3089\u300c\u8abf\u67fb\u5e74\u300d\u304c2018\u5e74\u306e\u30c7\u30fc\u30bf\u3060\u3051\u3092\u30d5\u30a3\u30eb\u30bf\u30ea\u30f3\u30b0\u3057\u3066\u51fa\u529b\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n
$ mlr --csv filter '${\u8abf\u67fb\u5e74} == 2018' sample.csv<\/pre><\/div>\n\n\n\n
\"\"<\/figure>\n\n\n\n
${\u30d5\u30a3\u30fc\u30eb\u30c9\u540d}\u3067\u6307\u5b9a\u3057\u305f\u30d5\u30a3\u30fc\u30eb\u30c9\u306e\u5024\u3092\u53d6\u308a\u51fa\u3057\u3001\u30d5\u30a3\u30eb\u30bf\u306e\u6761\u4ef6\u3068\u3057\u3066\u6307\u5b9a\u51fa\u6765\u307e\u3059\u3002<\/p>\n\n\n\n
filter\u30f4\u30a1\u30fc\u30d6\u306e\u30b9\u30c6\u30fc\u30c8\u30e1\u30f3\u30c8\u3067\u306f\u3001MillerDSL\u3068\u3044\u3046\u7279\u6709\u306e\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0\u8a00\u8a9e\u3092\u4f7f\u7528\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u3001\u7d44\u307f\u8fbc\u307f\u95a2\u6570\u306a\u3069\u3092\u4f7f\u3063\u3066\u8907\u96d1\u306a\u6307\u5b9a\u3092\u884c\u3046\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n
\u4ee5\u4e0b\u306f\u3001\u300c\u7dcf\u4eba\u53e3\u300d\u30d5\u30a3\u30fc\u30eb\u30c9\u306e\u5024\u304b\u3089\u30ab\u30f3\u30de\u3092\u524a\u9664\u3057\u6570\u5024\u306b\u5909\u63db\u3057\u3066\u304b\u3089\u7dcf\u4eba\u53e3\u304c\u767e\u4e07\u4eba\u4ee5\u4e0b\u306e\u30c7\u30fc\u30bf\u3060\u3051\u3092\u30d5\u30a3\u30eb\u30bf\u30ea\u30f3\u30b0\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n
$ mlr --csv filter 'int(gsub(${\u7dcf\u4eba\u53e3},\",\",\"\")) < 1000000' sample.csv<\/pre><\/div>\n\n\n\n
\"\"<\/figure>\n\n\n\n
DSL\u3092\u4f7f\u3063\u305f\u30d5\u30a3\u30eb\u30bf\u30ea\u30f3\u30b0\u306e\u8a73\u7d30\u306b\u3064\u3044\u3066\u306f\u300cDSL filter statements<\/a>\u300d\u3092\u53c2\u7167\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n\n\n\n
\u25a0\u30d5\u30a3\u30fc\u30eb\u30c9\u306e\u8ffd\u52a0<\/h2>\n\n\n\n
put\u30f4\u30a1\u30fc\u30d6\u3092\u4f7f\u3046\u3053\u3068\u3067\u3001\u65b0\u3057\u3044\u30d5\u30a3\u30fc\u30eb\u30c9\u3092\u8ffd\u52a0\u3057\u3066\u51fa\u529b\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n
$  mlr --csv put '${\u65b0\u3057\u3044\u5217} = \"new!\"' sample.csv<\/pre><\/div>\n\n\n\n
\"\"<\/figure>\n\n\n\n
filter\u30f4\u30a1\u30fc\u30d6\u540c\u69d8put\u30f4\u30a1\u30fc\u30d6\u3067\u3082DSL\u3092\u4f7f\u3063\u3066\u8907\u96d1\u306a\u51e6\u7406\u3092\u884c\u3046\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n
\u4ee5\u4e0b\u306f\u3001\u300c\u7dcf\u4eba\u53e3\u300d\u3068\u300c\u7dcf\u4eba\u53e3\uff08\u7537\uff09\u300d\u306e\u5024\u3092\u6570\u5024\u306b\u5909\u63db\u3057\u5272\u5408\u3092\u8a08\u7b97\u3057\u305f\u5f8c\u3001\u30d1\u30fc\u30bb\u30f3\u30c8\u8868\u793a\u3078\u3068\u5909\u63db\u3057\u305f\u5024\u3092\u65b0\u305f\u306b\u8ffd\u52a0\u3057\u305f\u300c\u7537\u6027\u5272\u5408\u300d\u30d5\u30a3\u30fc\u30eb\u30c9\u306b\u53ce\u3081\u3066\u51fa\u529b\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n
mlr --csv put '\n        @numAllPop =  int(gsub(${\u7dcf\u4eba\u53e3\uff08\u7537\uff09}, \",\", \"\"));\n        @numMenPop =  int(gsub(${\u7dcf\u4eba\u53e3}, \",\", \"\") );\n        ${\u7537\u6027\u5272\u5408} =  fmtnum(@numAllPop \/ @numMenPop * 100, \"%.2f\") . \"%\";' sample.csv<\/pre><\/div>\n\n\n\n
\"\"<\/figure>\n\n\n\n
DSL\u3092\u6539\u884c\u3059\u308b\u5834\u5408\u306f\u884c\u672b\u306b\u30bb\u30df\u30b3\u30ed\u30f3\u3092\u4ed8\u3051\u307e\u3059\u3002<\/p>\n\n\n\n
gsub\u95a2\u6570\u3067\u30ab\u30f3\u30de\u3092\u524a\u9664(\u7f6e\u63db)\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n
int\u95a2\u6570\u3067\u6587\u5b57\u5217\u3092\u6570\u5024\u306b\u5909\u63db\u3057\u3066\u8a08\u7b97\u3057\u3001fmtnum\u95a2\u6570\u3067\u5c0f\u6570\u70b9\u4ee5\u4e0b\uff12\u4f4d\u307e\u3067\u306e\u51fa\u529b\u3078\u5909\u63db\u3057\u305f\u5f8c\u3001”%”\u6587\u5b57\u3092\u8ffd\u52a0\u3057\u3066\u3044\u307e\u3059\u3002\u6587\u5b57\u306e\u9023\u7d50\u306b\u306f\u30c9\u30c3\u30c8\u300c.\u300d\u6f14\u7b97\u5b50\u3092\u4f7f\u3044\u307e\u3059\u3002<\/p>\n\n\n\n
put\u30f4\u30a1\u30fc\u30d6\u3067\u306f\u30aa\u30d7\u30b7\u30e7\u30f3<\/a>\u3068DSL<\/a>\u3092\u7d44\u307f\u5408\u308f\u305b\u308b\u3053\u3068\u3067\u975e\u5e38\u306b\u9ad8\u5ea6\u306a\u51e6\u7406\u3092\u884c\u3046\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u4f7f\u3044\u3053\u306a\u305b\u308b\u3068\u30c7\u30fc\u30bf\u6574\u5f62\u304c\u6357\u308b\u306e\u3067\u305c\u3072\u4f7f\u3063\u3066\u307f\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n\n\n\n
\u25a0\u30bd\u30fc\u30c8<\/h2>\n\n\n\n
sort\u30f4\u30a1\u30fc\u30d6\u3092\u4f7f\u7528\u3059\u308b\u3068\u30c7\u30fc\u30bf\u3092\u7279\u5b9a\u306e\u30d5\u30a3\u30fc\u30eb\u30c9\u306e\u5024\u3067\u30bd\u30fc\u30c8\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n
mlr --csv sort -f \u7dcf\u4eba\u53e3 sample.csv<\/pre><\/div>\n\n\n\n
-f\u30aa\u30d7\u30b7\u30e7\u30f3\u3067\u30d5\u30a3\u30fc\u30eb\u30c9\u3092\u6307\u5b9a\u3059\u308b\u3053\u3068\u3067\u3001\u6307\u5b9a\u3055\u308c\u305f\u30d5\u30a3\u30fc\u30eb\u30c9\u306e\u5024\u3067\u4e26\u3079\u66ff\u3048\u3092\u884c\u3044\u307e\u3059\u304c\u3053\u306e\u307e\u307e\u3067\u306f\u5e0c\u671b\u3057\u305f\u4e26\u3079\u9806\u306b\u306a\u3089\u306a\u3044\u5834\u5408\u304c\u591a\u3044\u3067\u3059\u3002<\/p>\n\n\n\n
\"\"<\/figure>\n\n\n\n
\u591a\u304f\u306e\u5834\u5408\u30bd\u30fc\u30c8\u306f\u6570\u5024\u306e\u5927\u5c0f\u3067\u4e26\u3079\u66ff\u3048\u3092\u884c\u3044\u305f\u3044\u306f\u305a\u3067\u3059\u3002<\/p>\n\n\n\n
\u660e\u793a\u7684\u306b\u6570\u5024\u3067\u306e\u4e26\u3079\u66ff\u3048\u3092\u884c\u3046\u306b\u306f-n(\u6607\u9806)\u3084-nr(\u964d\u9806)\u30aa\u30d7\u30b7\u30e7\u30f3\u3092\u6307\u5b9a\u3057\u307e\u3059\u3002<\/p>\n\n\n\n
$ mlr --csv sort -nr \u7dcf\u4eba\u53e3 sample.csv<\/pre><\/div>\n\n\n\n
\u3057\u304b\u3057\u3001\u30b5\u30f3\u30d7\u30eb\u30c7\u30fc\u30bf\u3067\u306f\u30a8\u30e9\u30fc\u304c\u51fa\u3066\u3057\u307e\u3044\u307e\u3057\u305f\u3002<\/p>\n\n\n\n
\"\"<\/figure>\n\n\n\n
\u3053\u308c\u306f\u3001\u30b5\u30f3\u30d7\u30eb\u30c7\u30fc\u30bf\u306e\u300c\u7dcf\u4eba\u53e3\u300d\u306e\u5024\u306b\u30ab\u30f3\u30de\u304c\u542b\u307e\u308c\u3066\u3044\u308b\u305f\u3081\u6587\u5b57\u5217\u3068\u3057\u3066\u8aad\u307f\u8fbc\u307e\u308c\u3066\u3057\u307e\u3063\u3066\u3044\u308b\u305f\u3081\u3067\u3059\u3002\uff08\u51fa\u529b\u3057\u305f\u3068\u304d\u306b\u30c0\u30d6\u30eb\u30af\u30a9\u30fc\u30c6\u30fc\u30b7\u30e7\u30f3\u30de\u30fc\u30af\u3067\u62ec\u3089\u308c\u3066\u3044\u308b\u5024\u306f\u6587\u5b57\u5217\u3068\u3057\u3066\u8a8d\u8b58\u3055\u308c\u3066\u3044\u307e\u3059\uff09<\/p>\n\n\n\n
\u5143\u306e\u30c7\u30fc\u30bf\u304b\u3089\u30ab\u30f3\u30de\u3068\u30d6\u30eb\u30af\u30a9\u30fc\u30c6\u30fc\u30b7\u30e7\u30f3\u30de\u30fc\u30af\u3092\u524a\u9664\u3057\u3066\u8aad\u307f\u8fbc\u307f\u76f4\u3057\u3066\u3082\u3088\u3044\u306e\u3067\u3059\u304c\u3001\u3053\u3053\u3067\u306f\u5148\u7a0b\u7d39\u4ecb\u3057\u305fput\u30f4\u30a1\u30fc\u30d6\u3092\u4f7f\u3063\u3066\u300c\u7dcf\u4eba\u53e3\u300d\u306e\u5024\u3092\u6570\u5024\u306b\u4fee\u6b63\u3057sort\u30f4\u30a1\u30fc\u30d6\u3092\u4f7f\u3063\u3066\u4e26\u3079\u66ff\u3048\u3092\u304a\u3053\u306a\u3063\u3066\u307f\u307e\u3059\u3002<\/p>\n\n\n\n
$ mlr --csv put '${\u7dcf\u4eba\u53e3} = gsub(${\u7dcf\u4eba\u53e3}, \",\", \"\")' sample.csv | mlr --csv sort -nr \u7dcf\u4eba\u53e3<\/pre><\/div>\n\n\n\n
\"\"<\/figure>\n\n\n\n
\u7121\u4e8b\u3001\u7dcf\u4eba\u53e3\uff08\u964d\u9806\uff09\u3067\u4e26\u3079\u66ff\u3048\u304c\u884c\u3048\u307e\u3057\u305f\u3002<\/p>\n\n\n\n
\u25a0\u7d50\u5408(JOIN)<\/h2>\n\n\n\n
\u8907\u6570\u306e\u30c7\u30fc\u30bf\u30d5\u30a1\u30a4\u30eb\u3092\u7279\u5b9a\u306e\u30ad\u30fc\u3067\u7d50\u5408\u3057\u305f\u3044\u5834\u5408\u306f\u3001join\u30f4\u30a1\u30fc\u30d6\u3092\u4f7f\u7528\u3057\u307e\u3059\u3002<\/p>\n\n\n\n
\u30fb\u30b5\u30f3\u30d7\u30eb\u30c7\u30fc\u30bf<\/h3>\n\n\n\n
\u3053\u3053\u3067\u306f\u3001\u300c\u5730\u57df\u30b3\u30fc\u30c9\u300d\u3068\u300c\u5730\u57df\u300d\u306e\u307f\u3092\u307e\u3068\u3081\u305fleft_data.csv<\/strong><\/a>\u3068\u3001\u3082\u3068\u306esample\u30c7\u30fc\u30bf\u304b\u3089\u300c\u5730\u57df\u300d\u3092\u9664\u3044\u305fright_data.csv<\/strong><\/a>\u3092\u7d50\u5408\u3057\u3001\u3082\u3068\u306esample\u30c7\u30fc\u30bf\u3092\u5fa9\u5143\u3057\u307e\u3059\u3002<\/p>\n\n\n\n
\"\"
left_data.csv head<\/figcaption><\/figure>\n\n\n\n
\"\"
right_data.csv head<\/figcaption><\/figure>\n\n\n\n
left_data.csv\u3068right_data.csv\u3092\u7d50\u5408<\/h3>\n\n\n\n
mlr --csv join -j \u5730\u57df\u30b3\u30fc\u30c9 -f left_data.csv right_data.csv<\/pre><\/div>\n\n\n\n
-j\u30aa\u30d7\u30b7\u30e7\u30f3\u3067\u30ad\u30fc\u3068\u306a\u308b\u30d5\u30a3\u30fc\u30eb\u30c9\u540d\u3092\u6307\u5b9a\u3057\u307e\u3059\u3002\u305d\u306e\u3054\u7d50\u5408\u3059\u308b\u30d5\u30a1\u30a4\u30eb\u3092-f\u30aa\u30d7\u30b7\u30e7\u30f3\u3067\u6307\u5b9a\u3057\u307e\u3059\u3002<\/p>\n\n\n\n
join\u30f4\u30a1\u30fc\u30d6\u306e\u6642\u306f-f\u30aa\u30d7\u30b7\u30e7\u30f3\u304c\u30d5\u30a3\u30fc\u30eb\u30c9\u540d\u3067\u306f\u306a\u304f\u3001\u7d50\u5408\u5bfe\u8c61\u3068\u3059\u308b\u30d5\u30a1\u30a4\u30eb\u540d\u3092\u6307\u5b9a\u3059\u308b\u30aa\u30d7\u30b7\u30e7\u30f3\u306b\u306a\u308b\u306e\u304c\u3061\u3087\u3063\u3068\u5206\u304b\u308a\u3065\u3089\u3044\u306e\u3067\u6ce8\u610f\u3067\u3059\u3002<\/p>\n\n\n\n
\"\"<\/figure>\n\n\n\n
\u3053\u3053\u3067\u306f\u30b7\u30f3\u30d7\u30eb\u306a\u7d50\u5408\u3057\u304b\u7d39\u4ecb\u3057\u304d\u308c\u307e\u305b\u3093\u304c\u3001JOIN\u30f4\u30a1\u30fc\u30d6\u306b\u306f\u591a\u6570\u306e\u30aa\u30d7\u30b7\u30e7\u30f3\u304c\u3042\u308a\u305d\u308c\u3089\u3092\u99c6\u4f7f\u3059\u308b\u3053\u3068\u3067\u8907\u96d1\u306a\u7d50\u5408\u51e6\u7406\u3092\u884c\u3046\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u8a73\u7d30\u306b\u3064\u3044\u3066\u306f\u30ea\u30d5\u30a1\u30ec\u30f3\u30b9\u306e\u300cjoin<\/a>\u300d\u306e\u9805\u3084\u300cQuestions about joins<\/a>\u300d\u3092\u53c2\u7167\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n\n\n\n
\u25a0\u6642\u7cfb\u5217\u30c7\u30fc\u30bf\u64cd\u4f5c<\/h2>\n\n\n\n
miller\u3067\u306f\u8aad\u307f\u8fbc\u3093\u3060\u5024\u3092\u3001\u6570\u5024\u3084\u6587\u5b57\u5217\u4ee5\u5916\u306b\u65e5\u4ed8\u578b\u3068\u3057\u3066\u6271\u3046\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n
\u305d\u306e\u305f\u3081\u3001\u6642\u7cfb\u5217\u30c7\u30fc\u30bf\u3092\u30d5\u30a3\u30eb\u30bf\u30ea\u30f3\u30b0\u3057\u305f\u308a\u6574\u5f62\u3059\u308b\u306e\u304c\u624b\u8efd\u306b\u884c\u3046\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n
\u30fb\u30b5\u30f3\u30d7\u30eb\u30c7\u30fc\u30bf<\/h3>\n\n\n\n
TimeSeriesData.csv<\/strong><\/a>\u3092\u7528\u3044\u3066\u89e3\u8aac\u3057\u307e\u3059<\/p>\n\n\n\n
\u30fb\u7279\u5b9a\u306e\u6642\u9593\u4ee5\u524d\u4ee5\u5f8c\u3067\u30d5\u30e9\u30b0\u3092\u8ffd\u52a0\u3059\u308b<\/h3>\n\n\n\n
\u30b5\u30f3\u30d7\u30eb\u30c7\u30fc\u30bf\u3092\u8aad\u307f\u8fbc\u307f\u3001\u300c\u65e5\u6642\u300d\u30d5\u30a3\u30fc\u30eb\u30c9\u306e\u5024\u3092\u5143\u306b”2022-1-25 16:00″\u4ee5\u5f8c\u306e\u30c7\u30fc\u30bf\u306bture\u3092\u4ee5\u524d\u306e\u30c7\u30fc\u30bf\u306bfalse\u3092\u3064\u3051\u308b\u30d5\u30a3\u30fc\u30eb\u30c9\u300cflag\u300d\u3092\u8ffd\u52a0\u3057\u307e\u3059\u3002<\/p>\n\n\n\n
mlr --csv put '\n\t@t = strptime(${\u65e5\u6642}, \"%Y-%m-%d %H:%M\");\n\t@start = strptime(\"2022-1-25 16:00\", \"%Y-%m-%d %H:%M\");\n\t$flag = @t > @start' TimeSeriesData.csv\n<\/pre><\/div>\n\n\n\n
\"\"<\/figure>\n\n\n\n
strptime\u95a2\u6570\u3092\u4f7f\u3063\u3066Date\u578b\u306b\u5909\u63db\u3057\u3066\u65e5\u6642\u306e\u6bd4\u8f03\u3092\u884c\u3063\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n
\u30fb\u7279\u5b9a\u306e\u6642\u9593\u5185\u306e\u30c7\u30fc\u30bf\u3060\u3051\u51fa\u529b\u3059\u308b<\/h3>\n\n\n\n
\u30b5\u30f3\u30d7\u30eb\u30c7\u30fc\u30bf\u3092\u8aad\u307f\u8fbc\u307f\u3001\u300c\u65e5\u6642\u300d\u30d5\u30a3\u30fc\u30eb\u30c9\u306e\u5024\u3092\u5143\u306b”2022-1-25 16:00″\u304b\u3089\u3001”2022-1-27 12:00″\u307e\u3067\u306e\u30c7\u30fc\u30bf\u3092\u51fa\u529b\u3057\u307e\u3059\u3002<\/p>\n\n\n\n
$ mlr --csv filter '\n        strptime(${\u65e5\u6642}, \"%Y-%m-%d %H:%M\") > strptime(\"2022-1-25 16:00\", \"%Y-%m-%d %H:%M\")\n        &&\n        strptime(${\u65e5\u6642}, \"%Y-%m-%d %H:%M\") < strptime(\"2022-1-27 12:00\", \"%Y-%m-%d %H:%M\")\n        ' TimeSeriesData.csv<\/pre><\/div>\n\n\n\n
\"\"<\/figure>\n\n\n\n
\u30fb\u66dc\u65e5\u306e\u30d5\u30a3\u30fc\u30eb\u30c9\u3092\u8ffd\u52a0\u3059\u308b<\/h3>\n\n\n\n
Date\u578b\u306b\u5909\u63db\u3057\u305f\u5024\u304b\u3089\u66dc\u65e5\u3092\u53d6\u5f97\u3057\u300c\u66dc\u65e5\u300d\u30d5\u30a3\u30fc\u30eb\u30c9\u3068\u3057\u3066\u8ffd\u52a0\u3057\u307e\u3059\u3002<\/p>\n\n\n\n
$ mlr --csv put '\n        @t = strptime(${\u65e5\u6642}, \"%Y-%m-%d %H:%M\");\n        ${\u66dc\u65e5} = strftime(@t, \"%A\")' TimeSeriesData.csv<\/pre><\/div>\n\n\n\n
\"\"
\u3053\u3053\u304b\u3089\u66f4\u306b\u30d1\u30a4\u30d7\u3067\u7e4b\u3044\u3067\u7279\u5b9a\u306e\u66dc\u65e5\u306e\u30c7\u30fc\u30bf\u3060\u3051\u3092\u51fa\u529b\u3059\u308b\u306a\u3069\u3082\u5bb9\u6613\u3067\u3059\u3002<\/figcaption><\/figure>\n\n\n\n
<\/p>\n\n\n\n
\u25a0\u30d5\u30a3\u30fc\u30eb\u30c0\u30a6\u30f3<\/h2>\n\n\n\n
\u308f\u308a\u3068\u3088\u304f\u3042\u308a\u304c\u3061\u306a\u5148\u982d\u306e\u884c\u306b\u3057\u304b\u5024\u304c\u5165\u3063\u3066\u3044\u306a\u3044\u30bf\u30a4\u30d7\u306e\u30c7\u30fc\u30bf\u3092\u524d\u884c\u306e\u5024\u3092\u5143\u306b\u88dc\u5b8c\u3057\u307e\u3059\u3002<\/p>\n\n\n\n
\"\"<\/figure>\n\n\n\n
\u3053\u3053\u3067\u306f\u300c\u5730\u57df\u300d\u306e\u5024\u3092\u524d\u884c\u306e\u5024\u3092\u5143\u306b\u3057\u3066\u57cb\u3081\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n
mlr --csv fill-down -f \u5730\u57df fildown.csv<\/pre><\/div>\n\n\n\n
\"\"<\/figure>\n\n\n\n
\u25a0\u304a\u307e\u3051<\/h2>\n\n\n\n
\u30fb\u5024\u3092\u68d2\u30b0\u30e9\u30d5\u3068\u3057\u3066\u51fa\u529b\u3059\u308b<\/h3>\n\n\n\n
mlr --icsv  --opprint bar --auto -f \u5024 TimeSeriesData.csv<\/pre><\/div>\n\n\n\n
\"\"<\/figure>\n\n\n\n
\u25a0\u53c2\u8003<\/h2>\n\n\n\n
Miller in 10 minutes<\/a><\/p>\n\n\n\n
A Guide To Command-Line Data Manipulation<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"
Miller \u306f\u3001CSV\u3001TSV\u3001JSON\u306a\u3069\u3001\u3055…<\/p>\n","protected":false},"author":1,"featured_media":8050,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[67],"tags":[],"class_list":["post-8049","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-app","has-post-thumbnail-archive"],"_links":{"self":[{"href":"https:\/\/gunmagisgeek.com\/blog\/wp-json\/wp\/v2\/posts\/8049","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/gunmagisgeek.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/gunmagisgeek.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/gunmagisgeek.com\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/gunmagisgeek.com\/blog\/wp-json\/wp\/v2\/comments?post=8049"}],"version-history":[{"count":63,"href":"https:\/\/gunmagisgeek.com\/blog\/wp-json\/wp\/v2\/posts\/8049\/revisions"}],"predecessor-version":[{"id":8144,"href":"https:\/\/gunmagisgeek.com\/blog\/wp-json\/wp\/v2\/posts\/8049\/revisions\/8144"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/gunmagisgeek.com\/blog\/wp-json\/wp\/v2\/media\/8050"}],"wp:attachment":[{"href":"https:\/\/gunmagisgeek.com\/blog\/wp-json\/wp\/v2\/media?parent=8049"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/gunmagisgeek.com\/blog\/wp-json\/wp\/v2\/categories?post=8049"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/gunmagisgeek.com\/blog\/wp-json\/wp\/v2\/tags?post=8049"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}