PowerShell Games 2016-03 (www.powershell.org)

games_2016_03_Hermann.ps1

<#
.Synopsis
   Test-Latin1Letter tests if a string contains a letter for the Latin1 table.
.DESCRIPTION
   The function Test-Latin1Letter returns $true if the tested string contains a letter which is in the Latin1 table of UFT8.
   To mathematical operators (multiplication sign and division sign) are not included.
.EXAMPLE
   "øre" | Test-Latin1Letter
   $true
.INPUTS
   [string[]]
.OUTPUTS
   [bool]
.NOTES
   Author: Hermann Lupfert
   Date: 03/12/2016
.LINK
   https://en.wikipedia.org/wiki/Latin-1_Supplement_(Unicode_block)
#>
function Test-Latin1Letter
{
    [CmdletBinding()]
    Param
    (
        #The string to be tested.
        [Parameter(Mandatory=$true, 
                   ValueFromPipeline=$true,
                   Position=0
                   )]
        [ValidateNotNullOrEmpty()]
        [string[]]$Strings

    )

    Begin
    {
    }
    Process
    {
        foreach ($String in $Strings)
        {
            $i = 0
            $Letters = $String.GetEnumerator()
            foreach ($Letter in $Letters)
            {
                $LetterNumber = [int]([char]$Letter)
                if (($LetterNumber -in 192..214) -or ($LetterNumber -in 216..246) -or ($LetterNumber -in 248..255))
                {
                    $i++
                }#end if
            }#end foreach letter
         [bool]$i
        }#end foreach string
    }#end process
    End
    {
    }#end end
}#end function
############################################################################################



$SharePath = 'c:\ps'

If (Test-Path $SharePath){
$all_files = Get-ChildItem -Path $SharePath -File -Recurse -Force
$basenames = $all_files.basename | Where-Object {($_ | Test-Latin1Letter) -eq $true}
$result_files = $all_files | where basename -in $basenames
$result_files | Select-Object Name,Directory,@{n='Creation Date';e=({($_.creationtime)})},@{n='Last Modification Date';e=({($_.lastwritetime)})},@{n='File Size';e=({$_.Length})} | Format-Table
}
else {Write-Warning "Path $SharePath not found."}