sed - 使用 sed 更新 json - Docker 容器

Question

使用 docker 并希望使用 sed 更新 JSON。

这是 JSON：

var configLocalnet = {
  version: '20180720',
  websocket: {
    protocol: 'http',
    host: 'localhost',
    port: '8082',
  },
  publicapi: {
    protocol: 'http',
    host: 'localhost',
    port: '8082',
  },
}

var configMainnet = {
  version: '20180720',
  websocket: {
    protocol: 'https',
    host: 'to_update',
    port: '443',
  },
  publicapi: {
    protocol: 'https',
    host: 'to_update',
    port: '443',
  },
}
module.exports = process.env.REACT_APP_ENVIRONMENT === "mainnet" ? configMainnet : configLocalnet;

需要将 config var configMainnet中的值更改为：

configMainnet 中的两个主机详细信息都应更改为 test.test.io

var configMainnet = {
  version: '20180720',
  websocket: {
    protocol: 'https',
    host: 'test.test.io',
    port: '443',
  },
  publicapi: {
    protocol: 'https',
    host: 'test.test.io',
    port: '443',
  },
}

Answer 1

您可以使用：

sed -E "s/(host:.).+$/\1'test.test.io',/g"

---

例子：

echo "var configMainnet = {
  version: '20180720',
  websocket: {
    protocol: 'https',
    host: 'to_update',
    port: '443',
  },
  publicapi: {
    protocol: 'https',
    host: 'to_update',
    port: '443',
  },
}" | sed -E "s/(host:.).+$/\1'test.test.io',/g"
var configMainnet = {
  version: '20180720',
  websocket: {
    protocol: 'https',
    host: 'test.test.io',
    port: '443',
  },
  publicapi: {
    protocol: 'https',
    host: 'test.test.io',
    port: '443',
  },
}