Iron Scripter july, 19 2019 - Advanced

Get-FileInfo

function Get-FileInfo {
    [CmdletBinding(DefaultParameterSetName='Local')]
    param (
        # The Path parameter takes an array of strings to query. Pipe away if desired
        [Parameter(ValueFromPipeline=$true)]
        [Parameter(ParameterSetName = 'Local')]
        [Parameter(ParameterSetName = 'Remote')]
        [string[]]
        $Path,
        # The ComputerName parameter takes several computernames and executes the Get-FileInfo command against them
        [Parameter(ParameterSetName = 'Remote')]
        [string[]]
        $ComputerName,
        # The Credential parameter takes a credential object if required to execute remote commands against the computers specified in the ComputerName parameter
        [PSCredential]
        [Parameter(ParameterSetName = 'Remote')]
        $Credential,
        # The AsJob switch runs the command as a job on the remote machine
        [Parameter(ParameterSetName = 'Remote')]
        [switch]
        $AsJob,
        # The JobName parameter lets you specify a name for the job 
        [Parameter(ParameterSetName = 'Remote')]
        [string]
        $JobName
    )
    
    begin {

        $s = [scriptblock]::Create('param ($path) foreach ($p in $Path){
            if (Test-Path $p){
                try {
                    Get-ChildItem $p -Recurse -Force | 
                    measure-object length -sum -Average -ErrorAction Stop |
                    select-object Count,Sum,Average,@{n="Date";e={Get-date}},@{n="ComputerName";e={hostname}},@{n="Path";e={$p}}
                } catch {
                    Write-Verbose "No files in $p"
                }
                
            } else {
                Write-Warning "$p does not exist!"
            }
            
        }')
        
    }
    
    process {
        $paramHash = @{
            ScriptBlock = $s
            ArgumentList = $Path
        }
        if ($AsJob){$paramHash.Add('AsJob',$True)}
        if ($JobName -and $AsJob){$paramHash.Add('JobName',$JobName)}
        if ($ComputerName){$paramHash.Add('ComputerName',$ComputerName)}
        if ($Credential){$paramHash.Add('Credential',$Credential)}
        Invoke-Command @paramHash
    }
    
    end {
        
    }
}