Powershell: resolve path that might not exist?

Question

I\'m trying to process a list of files that may or may not be up to date and may or may not yet exist. In doing so, I need to resolve the full path of an item, even though

Answer 1

function Get-FullName()
{
    [CmdletBinding()]
    Param(
        [Parameter(ValueFromPipeline = $True)] [object[]] $Path
    )
    Begin{
        $Path = @($Path);
    }
    Process{
        foreach($p in $Path)
        {
            if($p -eq $null -or $p -match '^\s*$'){$p = [IO.Path]::GetFullPath(".");}
            elseif($p -is [System.IO.FileInfo]){$p = $p.FullName;}
            else{$p = [IO.Path]::GetFullPath($p);}
            $p;
        }
    }
}