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powershell - ConvertTo-JSON an array with a single item

I'm trying to create a JSON-serialized array. When that array contains only one item I get a string, not an array of strings (in JSON).

Multiple Items (works as expected):

PS C:> @("one", "two") | ConvertTo-JSON
[
    "one",
    "two"
]

Single Item Array (not as expected):

PS C:> @("one") | ConvertTo-JSON
"one"

Am I missing something?

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1 Answer

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by (71.8m points)

Try without the pipeline:

PS C:> ConvertTo-Json @('one', 'two')
[
    "one",
    "two"
]
PS C:> ConvertTo-Json @('one')
[
    "one"
]

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