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DuckDB as the New jq
Recently, I’ve been interested in the DuckDB project (like a SQLite geared towards data applications). And one of the amazing features is that it has many data importers included without requiring extra dependencies. This means it can natively read and parse JSON as a database table, among many other formats. I work extensively with JSON day to day, and I often reach for jq when exploring document
パイプライン指å‘JSON処ç†ãƒ—ãƒã‚°ãƒ©ãƒŸãƒ³ã‚°è¨€èªž jq - 檜山æ£å¹¸ã®ã‚マイラ飼育記 (ã¯ã¦ãªBlog)
jq（https://stedolan.github.io/jq/）ã®ç´¹ä»‹ã§ã¯ã€ã€ŒJSON処ç†ã®ãƒ¯ãƒ³ãƒ©ã‚¤ãƒŠãƒ¼ã€ˆä¸€è¡Œé‡ŽéƒŽã€‰ã¨ã—ã¦ã‚ã¡ã‚ƒãã¡ã‚ƒä¾¿åˆ©ï¼ã€ã¨ã‚¢ãƒ”ールã™ã‚‹ã®ãŒå®šç•ªã§ã™ã€‚ã‚‚ã¡ã‚ã‚“ãã‚Œã¯æœ¬å½“ã§ã€ã€Œã‚ã¡ã‚ƒãã¡ã‚ƒä¾¿åˆ©ï¼ã€ã§ã™ã€‚ãŒã€å®Ÿã¯ jq ã¯ã€ãƒ¯ãƒ³ãƒ©ã‚¤ãƒŠãƒ¼è¨˜è¿°ã«ã¨ã©ã¾ã‚‰ãªã„ã€ã‹ãªã‚Šæœ¬æ ¼çš„ãªãƒ—ãƒã‚°ãƒ©ãƒŸãƒ³ã‚°è¨€èªžã§ã™ã€‚ JSON処ç†ã®ãŸã‚ã®DSL〈Domain Specific Language | é ˜åŸŸç‰¹åŒ–è¨€èªžã€‰ãªã®ã§ã€æ±Žç”¨è¨€èªžã§ã¯ã‚ã‚Šã¾ã›ã‚“。ã—ã‹ã—ã€æ±Žç”¨è¨€èªžãŒå‚™ãˆã¦ã„る言語機能ã®ä¸€éƒ¨ï¼ˆé–¢æ•°å®šç¾©ã€ãƒ¢ã‚¸ãƒ¥ãƒ¼ãƒ«ã‚·ã‚¹ãƒ†ãƒ ãªã©ï¼‰ã‚’ jq ã‚‚æŒã£ã¦ã„ã¾ã™ã€‚ã¾ãŸ jq ã¯ã€ç‹¬ç‰¹ã§æ¥½ã—ã„プãƒã‚°ãƒ©ãƒŸãƒ³ã‚°ãƒ»ãƒ‘ラダイム-- “パイプライン指å‘â€ã«åŸºã¥ã„ã¦è¨è¨ˆã•ã‚Œã¦ã„ã¾ã™ã€‚ ã“ã®è¨˜äº‹ã§ã¯ã€ãƒ¯ãƒ³ãƒ©ã‚¤ãƒŠãƒ¼ã‚’超ãˆãŸ jq ã®ä½¿ã„æ–¹ã¨ã€ãƒ—ãƒã‚°ãƒ©ãƒŸãƒ³ã‚°è¨€èªžã¨ã—ã¦ã® jq ã®ç‰¹å¾´ã‚’紹介ã—ã¾ã™ã€‚é•·ã„記事ã«ãªã£ã¦ã—ã¾ã£ãŸã®ã§ã€ä¸€
JSON処ç†ã‚³ãƒžãƒ³ãƒ‰ jq を使ã£ã¦ã¿ãŸ
最近AWS Management Consoleã‹ã‚‰EC2インスタンスを起動ã™ã‚‹ã‚ˆã‚Šã‚‚ã€APIã‹ã‚‰èµ·å‹•ã™ã‚‹ã»ã†ãŒæ…£ã‚ŒãŸã‚‰æ‰‹è»½ãªã“ã¨ãŒã‚ã‹ã‚Šã¾ã—ãŸã€‚ ãã“ã§awscliを使ã†ã‚ˆã†ã«ãªã‚Šã¾ã—ãŸã€‚ãŸã ã€ã“ã®ã‚³ãƒžãƒ³ãƒ‰ã€JSONを出力ã™ã‚‹ã®ã§ã™ãŒå‡ºåŠ›ãŒã¨ã¦ã‚‚é•·ã„ã®ã§ã™ã€‚ ãã“ã§å‡ºåŠ›ã•ã‚ŒãŸJSONã‹ã‚‰ã»ã—ã„æƒ…å ±ã ã‘を抽出ã™ã‚‹ã®ã«ã‚ˆãjqã¨ã„ã†sedã‚„grepã«ä¼¼ãŸã‚¹ãƒˆãƒªãƒ¼ãƒ エディタ的ãªã‚³ãƒžãƒ³ãƒ‰ã‚’使ã†ã‚‰ã—ã„ã¨ã„ã†ã“ã¨ã‚’知りã¾ã—ãŸã€‚ ãã®ã‚¤ãƒ³ã‚¹ãƒˆãƒ¼ãƒ«æ–¹æ³•ã¨ç°¡å˜ãªä½¿ã„æ–¹ã«ã¤ã„ã¦ã€‚ （2017-12-21 追記） 最近ã§ã¯ AWS CLI ã§ã‚‚標準ã§å‡ºåŠ›ãƒ•ã‚£ãƒ«ã‚¿ã‚’ã‹ã‘ã‚‹ã“ã¨ãŒã§ãるよã†ã«ãªã£ã¦ã„ã‚‹ã®ã§ã€ãã¡ã‚‰ã‚’使ã†ã®ãŒç‹ã®ã‚ˆã†ã§ã™ã€‚ ãれ以外㮠REST Web API ã‚’å©ãå ´åˆã«ä½¿ã†ã¨è‰¯ã„ã§ã—ょã†ã€‚ KONG ã¨ã‹ã€‚ インストール ãƒãƒ¼ã‚¿ãƒ–ルCã§æ›¸ã‹ã‚Œã¦ã„ã‚‹ã‹ã‚‰ä»–ã®ãƒ©ã‚¤ãƒ–ラリã€ãƒ¢ã‚¸ãƒ¥ãƒ¼ãƒ«ã«ä¾å˜ã—ã¦ã„ãªã„ã®
jq
jq is a lightweight and flexible command-line JSON processor. jq is like sed for JSON data - you can use it to slice and filter and map and transform structured data with the same ease that sed, awk, grep and friends let you play with text. jq is written in portable C, and it has zero runtime dependencies. You can download a single binary, scp it to a far away machine of the same type, and expect
jq 1.7 Manual
For other versions, see 1.7, 1.6, 1.5, 1.4, 1.3 or development version. A jq program is a "filter": it takes an input, and produces an output. There are a lot of builtin filters for extracting a particular field of an object, or converting a number to a string, or various other standard tasks. Filters can be combined in various ways - you can pipe the output of one filter into another filter, or c
jq コマンドを使ã†æ—¥å¸¸ã®ã”紹介 - Qiita
jq コマンドã¨ã¯ http://stedolan.github.io/jq/ JSONã‹ã‚‰ç°¡å˜ã«å€¤ã‚’抜ã出ã—ãŸã‚Šã€é›†è¨ˆã—ãŸã‚Šã€æ•´å½¢ã—ã¦è¡¨ç¤ºã—ãŸã‚Šã§ãã‚‹JSON用ã®grepã¨ã‹awkã¿ãŸã„ãªã‚³ãƒžãƒ³ãƒ‰ã§ã™ã€‚ WebサービスãŒJSONã‚’åã„ãŸã‚Šã€AWS CLI㌠JSON ã‚’åã„ãŸã‚Šã™ã‚‹ç¾ä»£ç¤¾ä¼šã§å¤§å¤‰ä¾¿åˆ©ãªã‚³ãƒžãƒ³ãƒ‰ã§ã™ã€‚ マニュアル ã ã„ãŸã„ã“ã“èªã‚ã°OK. http://stedolan.github.io/jq/manual/ ã‚ã€ã“ã‚Œã§ã€çµ‚ã‚ã£ã¦ã—ã¾ã†ã€‚ã ã‘ã©æ°—ã«ã›ãšé€²ã‚ã¾ã™ã€‚ ç°¡å˜ãªä¾‹ ã¾ãšã€ç©ºæ°—ã‚’ã¤ã‹ã¿ã¾ã—ょã†ã€‚ 以下jqコマンドã®è¨˜æ³•ã‚’見ã¦ã„ãã¾ã™ã€‚JSON { "hoge": "value" } ãŒã‚ã£ãŸå ´åˆã€ . ãŒãƒ«ãƒ¼ãƒˆ {} を表ã—ã¾ã™ã€‚.hoge 㧠"value" を表ç¾ã—ã¾ã™ã€‚ã ã„ãŸã„ã“ã‚“ãªæ„Ÿã˜ã§ã™ã€‚ ãŸã ã®æ•´å½¢ ã—ã°ã‚‰ã下記ã®JSONを例ã«é€²ã‚ã¾ã™ã€‚itemsã«ã¯é…
軽é‡JSONパーサー『jqã€ã®ãƒ‰ã‚ュメント：『jq Manualã€ã‚’ã–ã£ãり日本語訳ã—ã¦ã¿ã¾ã—㟠| DevelopersIO
jq Manual jqã§ç°¡å˜JSONåŠ å·¥ ｜ Developers.IO jqコマンドãŒå®Ÿã¯é«˜æ€§èƒ½ã™ãŽã¦ãƒ“ビッãŸè©± - beatsync.net JSONを超絶ã«èªã¿ã‚„ã™ãã™ã‚‹ jq コマンド - WebAPIãƒãƒªãƒãƒªä½¿ã†or開発ã™ã‚‹äººå¿…é ˆ CLIã§JSONã®æ•´å½¢ã‚’ã™ã‚‹ - ( ꒪⌓꒪) ゆるよã‚日記 JSONå½¢å¼ã®æƒ…å ±ã‚’æ§˜ã€…ãªæ¡ä»¶ã‚„書å¼ã¨ã—ã¦æˆå½¢ã€ãƒ•ã‚£ãƒ«ã‚¿ãƒªãƒ³ã‚°ãƒ„ール『jqã€ã€‚上記関連エントリã§ç§ã‚‚ã“ã®ãƒ„ールã®å˜åœ¨ã‚’知る事ã«ãªã£ãŸã®ã§ã™ãŒã€ãƒ„ールã®ç°¡æ˜“ã•ãƒ»ä¾¿åˆ©ã•ã«æ„Ÿå‹•ã—ãªãŒã‚‰ç§ã‚‚ã¡ã‚‡ãã¡ã‚‡ã利用ã•ã›ã¦ã‚‚らã£ã¦ã„ã¾ã™ã€‚ ãã“ã§ã“ã®ã‚¨ãƒ³ãƒˆãƒªã§ã¯ã€jqå…¬å¼ãƒšãƒ¼ã‚¸ã«å±•é–‹ã•ã‚Œã¦ã„る利用ガイド・リファレンス的ãªä½ç½®ä»˜ã‘ã®ã€Žjq Manualã€ã‚’写経ãŒã¦ã‚‰ã–ã£ãり日本語訳ã—ã¦ã¿ã¾ã—ãŸã€‚ã–ã£ãり訳ãªã®ã§ã“ã®éƒ¨åˆ†ã®è¨³ãŠã‹ã—ã„・間é•ã£ã¦ã‚‹ç‰ã‚ã‚Šã¾ã—ãŸã‚‰å¾¡æŒ‡æ‘˜é ‚ã‘ã‚‹ã¨å¹¸ã„ã§ã™ã€‚例示ã•ã‚Œã¦ã„るサンプルコードも
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How to urlencode data for curl command?
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GitHub - jqlang/jq: Command-line JSON processor
oniguruma.h can't find, what this header-file used for ? · Issue #534 · jqlang/jq
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