Powershell replace json value in file

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Powershell: Replace JSON value in a file

Powershell provides several ways to replace JSON values in a file. One common approach is to load the JSON file as a string, parse it into an object, modify the desired value, and then save it back as a JSON file.

Here’s an example step-by-step guide:

  1. Step 1: Import the JSON file
    2. 
$jsonContent = Get-Content -Raw -Path "path/to/file.json"
$jsonObject = ConvertFrom-Json -InputObject $jsonContent

    In this step, we use the Get-Content cmdlet to read the JSON file as a single string and store it in the variable $jsonContent. Then, we use the ConvertFrom-Json cmdlet to parse the JSON string into an object and store it in the variable $jsonObject.

  2. Step 2: Modify the JSON value
    3. 
$jsonObject.property = "new value"

    Replace property with the name of the property you want to modify and set it to the new value.

  3. Step 3: Save the modified JSON file
    4. 
$jsonObject | ConvertTo-Json | Set-Content -Path "path/to/file.json"

    In this step, we pipe the modified $jsonObject through the ConvertTo-Json cmdlet to convert it back into a JSON string. Then, we save the JSON string to the original file using the Set-Content cmdlet.

By following these steps, you can replace a JSON value in a file using Powershell. Make sure to replace “path/to/file.json” with the actual path to your JSON file and customize the property name and new value according to your requirements.

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