[英]Convert JSON to bash environment variables
I wrote this beauty a while back to run on a server and convert environment variables from JSON
to a bash .env
format. 我写了一段时间回来在服务器上运行并将环境变量从JSON
转换为bash .env
格式。
#!/usr/bin/env node
var strings = []
process.stdin.resume()
process.stdin.setEncoding('utf8')
process.stdin.on('data', function(data) {
var json = JSON.parse(data)
for (var key in json) {
var val = json[key]
strings.push(key + '="' + val + '"')
}
})
process.stdin.on('end', function() {
var output = strings.join('\n')
process.stdout.write(output)
})
Can this be done without node, just bash? 这可以在没有节点的情况下完成,只需要bash吗? I'm having trouble getting this working on a server without node installed or without the correct path specified. 我在没有安装节点或没有指定正确路径的服务器上工作时遇到了麻烦。
Yes, assuming that all the key/val pairs you want to keep are in the form: 是的,假设您要保留的所有键/值对都采用以下形式:
"key":"stringval"
"key":numval
"key":true or false or null
(with optional space around the colon): (在冒号周围有可选的空格):
#!/bin/sh
tr -d '\n' |
grep -o '"[A-Za-z_][A-Za-z_0-9]\+"\s*:\s*\("[^"]\+"\|[0-9\.]\+\|true\|false\|null\)' |
sed 's/"\(.*\)"\s*:\s*"\?\([^"]\+\)"\?/\1="\2"/'
Example: 例:
cat manifest.json | ./json2env.sh
yields 产量
name="Polymer Starter Kit"
short_name="Polymer Starter Kit"
src="images/touch/icon-72x72.png"
sizes="72x72"
type="image/png"
test1="0.123"
test2="true"
test3="false"
test4="null"
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