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Powershell data types

Variable type	Description	Example
[array]	An array
[bool]	Yes-no value	[boolean]$flag = $true
[byte]	Unsigned 8-bit integer, 0...255	[byte]$value = 12
[char]	Individual unicode character	[char]$a = "t"
[datetime]	Date and time indications	[datetime]$date = "12.Nov 2004 12:30"
[decimal]	Decimal number	[decimal]$a = 12
		$a = 12d
[double]	Double-precision floating point decimal	$amount = 12.45
[guid]	Globally unambiguous 32-byte identification number	[guid]$id = [System.Guid]::NewGuid()
		$id.toString()
[hashtable]	Hash table
[int16]	16-bit integer with characters	[int16]$value = 1000
[int32], [int]	32-bit integers with characters	[int32]$value = 5000
[int64], [long]	64-bit integers with characters	[int64]$value = 4GB
[nullable]	Widens another data type to include the ability to contain null values. It can be used, among others, to implement optional parameters	[Nullable``1[[System.DateTime]]]$test = Get-Date
		$test = $null
[psobject]	PowerShell object
[regex]	Regular expression	$text = "Hello World"
		[regex]::split($text, "lo")
[sbyte]	8-bit integers with characters	[sbyte]$value = -12
[scriptblock]	PowerShell scriptblock
[single], [float]	Single-precision floating point number	[single]$amount = 44.67
[string]	String	[string]$text = "Hello"
[switch]	PowerShell switch parameter
[timespan]	Time interval	[timespan]$t = New-TimeSpan $(Get-Date) "1.Sep 07"
[type]	Type
[uint16]	Unsigned 16-bit integer	[uint16]$value = 1000
[uint32]	Unsigned 32-bit integer	[uint32]$value = 5000
[uint64]	Unsigned 64-bit integer	[uint64]$value = 4GB
[xml]	XML document

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