使用 jq 根据哈希中的键选择对象
我很想根据哈希中的键选择对象，但我希望恢复原始对象格式。我怎样才能实现这个目标？
原始
{
"google.com": {
"http": {
"dest_url": "http://stackoverflow.com"
},
"https": {
"dest_url": "http://github.com"
}
},
"aaa.com": {
"https": {
"dest_url": "https://github.com"
}
},
"bbb.com": {
"https": {
"dest_url": "https://microsoft.com"
}
},
"ccc.com": {
"https": {
"dest_url": "https://.com"
}
}
}
应该是
{
"google.com": {
"http": {
"dest_url": "http://stackoverflow.com"
},
"https": {
"dest_url": "http://github.com"
}
},
"bbb.com": {
"https": {
"dest_url": "https://microsoft.com"
}
}
}
我用 to_entries[] | 尝试过它选择 (.key == "google.com" 或 .key == "bbb.com") | [.key, .value] 但它是这样的。我确信 [.key, .value] 部分是错误的，但我一直不知道如何解决这个问题。
[
"google.com",
{
"http": {
"dest_url": "http://stackoverflow.com"
},
"https": {
"dest_url": "http://github.com"
}
}
]
[
"bbb.com",
{
"https": {
"dest_url": "https://microsoft.com"
}
}
]
I'd love to select objects based on the key in the hash, but I want the original object format back. How can I achieve this?
original
{
"google.com": {
"http": {
"dest_url": "http://stackoverflow.com"
},
"https": {
"dest_url": "http://github.com"
}
},
"aaa.com": {
"https": {
"dest_url": "https://github.com"
}
},
"bbb.com": {
"https": {
"dest_url": "https://microsoft.com"
}
},
"ccc.com": {
"https": {
"dest_url": "https://.com"
}
}
}
should be
{
"google.com": {
"http": {
"dest_url": "http://stackoverflow.com"
},
"https": {
"dest_url": "http://github.com"
}
},
"bbb.com": {
"https": {
"dest_url": "https://microsoft.com"
}
}
}
I tried it with to_entries[] | select (.key == "google.com" or .key == "bbb.com") | [.key, .value] but it eneded like this. I'm sure [.key, .value] part is wrong but I'm stuck on how I can workaround this.
[
"google.com",
{
"http": {
"dest_url": "http://stackoverflow.com"
},
"https": {
"dest_url": "http://github.com"
}
}
]
[
"bbb.com",
{
"https": {
"dest_url": "https://microsoft.com"
}
}
]
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使用
with_entries(…)，这是to_entries | 的快捷方式。地图（…）| from_entries，它又将对象分解为键/值表示数组to_entries，修改该数组map中的每个项目，并将其转换回原始结构from_entries。演示
Use
with_entries(…), which is a shortcut toto_entries | map(…) | from_entries, which in turn decomposes the object into an array of key/value representationsto_entries, modifies each item within that arraymap, and converts it back into the original structurefrom_entries.Demo