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jq-manual-cn's Introduction

jq 中文手册

jq 是一个命令行 JSON 文本处理器,性能高效、语法简洁有力、表达能力强,是一款文本处理利器。

项目地址 github.com/stedolan/jq

官网 stedolan.github.io/jq

原文档请往 https://stedolan.github.io/jq/manual/

版本列表

翻译目的

项目旨在给出 jq 的中文使用手册,推广 jq 在中文社区的使用(毕竟某度搜 jq 都是jquery)。

方便使用者对 jq 常用语法的查阅

Why jq ?

jq 长于处理 JSON 格式数据,可以进行选择、转换、合并以及一些复杂操作。

jq 可以在命令行下进行不断调试,而不必写程序文件去处理,同时代码即命令,更加的直白

简单示例

示例 A

$echo '{"s":2,"t":3,"w":5}'|jq
{
  "s": 2,
  "t": 3,
  "w": 5
}
$echo '{"s":2,"t":3,"w":5}'|jq '.t'
3

M 示例 B

功能:提取一行 JSON 数据中 p 值大于 0.2 的 id

echo '{"code":200,"data":{"items":[{"id":100,"p":0.3},{"id":101,"p":0.5},{"id":102,"p":0.7}]}}' > raw.json

cat raw.json|jq -r -c 'select(.code==200)|.data.items|map(select(.p>0.2))|.[]|{id}'

窗口:

如果窗口没有显示,点击 http://showterm.io/66cd2262111dbe29437ac 访问

版权说明

see ./copyright

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