Converts strings from one encoding to another

ConvertTo-CrocoZyabra.ps1

function ConvertTo-CrocoZyabra {
    [CmdletBinding()]
    param (
        [Parameter(Mandatory,Position=0,ValueFromPipeline)]
        [AllowNull()][AllowEmptyString()]
        [Alias('i')]
        [string]$InputString,

        [Parameter(Mandatory,Position=1,ParameterSetName='CodePage')]
        [ValidateRange(1,65535)]
        [Alias('scp')]
        [int]$SourceCodePage,

        [Parameter(Mandatory,Position=2,ParameterSetName='CodePage')]
        [ValidateRange(1,65535)]
        [Alias('dcp')]
        [int]$DestinationCodePage,

        [Parameter(Mandatory,Position=1,ParameterSetName='Name')]
        [ValidateNotNullOrEmpty()]
        [Alias('sn')]
        [string]$SourceName,

        [Parameter(Mandatory,Position=2,ParameterSetName='Name')]
        [ValidateNotNullOrEmpty()]
        [Alias('dn')]
        [string]$DestinationName,

        [Parameter(Mandatory,Position=1,ParameterSetName='Encoding')]
        [ValidateNotNull()]
        [Alias('se')]
        [System.Text.Encoding]$SourceEncoding,

        [Parameter(Mandatory,Position=2,ParameterSetName='Encoding')]
        [ValidateNotNull()]
        [Alias('de')]
        [System.Text.Encoding]$DestinationEncoding
    )
    begin {
        if  (-not ($PSCmdlet.ParameterSetName -ieq 'Encoding')) {
            Write-Verbose -Message "Parameter set: $($PSCmdlet.ParameterSetName)" -Verbose
            if  ($PSCmdlet.ParameterSetName -ieq 'Name') {
                Write-Verbose -Message "Source NAME: $($SourceName)" -Verbose
                $SourceEncoding = [System.Text.Encoding]::GetEncoding($SourceName)
                Write-Verbose -Message "Destination NAME: $($DestinationName)" -Verbose
                $DestinationEncoding = [System.Text.Encoding]::GetEncoding($DestinationName)
            }
            else {
                Write-Verbose -Message "Source CP: $($SourceCodePage)" -Verbose
                $SourceEncoding = [System.Text.Encoding]::GetEncoding($SourceCodePage)
                Write-Verbose -Message "Destination CP: $($DestinationCodePage)" -Verbose
                $DestinationEncoding = [System.Text.Encoding]::GetEncoding($DestinationCodePage)
            }
        }
    }
    process {
        if  ([string]::IsNullOrEmpty($InputString) -or [string]::IsNullOrWhiteSpace($InputString)) { return [string]::Empty }
        return $DestinationEncoding.GetString($SourceEncoding.GetBytes($InputString))
    }
    end {}
}