Functions/Get-RandomHexDigit.ps1
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function Get-RandomHexDigit { <# .SYNOPSIS Gets a random hex digit, or a string of hex digits .DESCRIPTION Gets a random hex digit, or a string of hex digits .PARAMETER Length Determines number of hexadecimal digits, defaults to 1 .PARAMETER IncludePrefix Switch which will prepend the result with '0x' .PARAMETER UpperCase Switch will make hexadecimal digits uppercase, otherwise they return as lowercase .EXAMPLE Get-RandomHexDigit -Length 4 f293 .EXAMPLE Get-RandomHexDigit -Length 2 -IncludePrefix 0x2d .EXAMPLE Get-RandomHexDigit -Length 6 -UpperCase 92C08A #> [CmdletBinding(ConfirmImpact='None')] param ( [Parameter(Position=0)] [ValidateRange(1,16)] [int] $Length = 1, [switch] $IncludePrefix, [switch] $UpperCase ) begin { Write-Verbose -Message "Starting [$($MyInvocation.Mycommand)]" } process { $ReturnVal = ( 1..$Length | foreach-object {'{0:x}' -f (Get-Random -Maximum 16)}) -join '' if ($UpperCase) { $ReturnVal = $ReturnVal.ToUpper() } if ($IncludePrefix) { $ReturnVal = '0x' + $ReturnVal } Write-Output -InputObject $ReturnVal } end { Write-Verbose -Message "Ending [$($MyInvocation.Mycommand)]" } } |