Access Properties and Keys within JSON using PowerShell

Question

I have a PowerShell script and would like to access a nested key. Here is my JSON:

{
    "name": "versions.json",
    "versions": {
        "1.0.0": {
            "Component1": "1.0.0",
            "Component2": "1.0.0",
            "Component3": "1.0.0"
        },
        "2.0.0": {
            "Component1": "2.0.0",
            "Component2": "2.0.0",
            "Component3": "2.0.0"
        }
    }
}

I'm unsure of how to access the values within each version (1.0.0 and 2.0.0). I know I get the property name for each "version" by using:

($json.versions.PSobject.Properties) | ForEach-Object {
    "Data: $($_.Name)"
}

But how do I iterate through each of a "version" objects properties and view its value, i.e. how do I check what is contained within "1.0.0"? For "1.0.0" I would expect to see

"Component1" at 1.0.0
"Component2" at 1.0.0
"Component3" at 1.0.0

mklement0 · Accepted Answer · 2017-08-08 02:11:13Z

2

Do the same you're doing for versions for the values of its properties:

$json.versions.PSobject.Properties | ForEach-Object {
    "Data: $($_.Name)"
    $_.Value.PSobject.Properties | ForEach-Object {
        '"{0}" at {1}' -f $_.Name, $_.Value
    }
}

edited Aug 8, 2017 at 2:11

mklement0

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answered Aug 7, 2017 at 23:06

Ansgar Wiechers

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