yq 命令行解析 yaml

使用yq命令解析YAML、JSON、XML、CSV和属性处理器

安装

• Go Install

go install github.com/mikefarah/yq/v4@latest

• ubuntu

sudo apt-key adv --keyserver keyserver.ubuntu.com --recv-keys CC86BB64
sudo add-apt-repository ppa:rmescandon/yq
sudo apt update
sudo apt install yq -y

• shell

wget https://github.com/mikefarah/yq/releases/latest/download/yq_linux_amd64 -O /usr/bin/yq && \
    chmod +x /usr/bin/yq

使用

• demo.yaml

groups:
  - name: d

• 获取值

$ cat demo.yaml | yq ".groups"
- name: d
$ cat demo.yaml | yq ".groups.[0]"
name: d
$ cat demo.yaml | yq ".groups.[0].name"
d