#requires -module PSScriptTools

#requires -version 5.1

#this is a demonstration script

[cmdletbinding()]

Param(

[Parameter(Position = 0, Mandatory)]

[ValidateScript( {Test-Path $_})]

[string]$Path,

[switch]$Recurse

)

#create a transcript if -Verbose is used

if ($VerbosePreference -eq 'Continue') {

$transcript = New-CustomFileName -Template "Transcript-$($myinvocation.MyCommand)-%Year%Month%Day%Time.log"

Start-Transcript -Path $transcript -IncludeInvocationHeader

}

$PSDefaultParameterValues."write-detail:date" = $True

Write-Detail "Starting $($myinvocation.mycommand)" | Write-Verbose

Write-Detail "Execution metadata" | Write-Verbose

Write-Detail (Get-PSwho -AsString) | Write-Verbose

Write-Detail "Using parameter values" | Write-Verbose

Write-Detail ($PSBoundParameters | Out-String) | Write-Verbose

$name = Split-Path -Path $path -Leaf

Write-Detail "Creating file name with $Name" | Write-Verbose

$file = New-CustomFileName -Template "FolderReport-$($name)_%yr%month%day.log"

$log = Join-path -Path $env:USERPROFILE\Documents -ChildPath $file

Write-Detail "Logging results to $log" | Write-Verbose

Write-Detail "Getting files from $path" | Write-Verbose

$PSBoundParameters.Add("File", $True)

$files = Get-Childitem @PSBoundParameters

Write-Detail "Found $($files.count) files" | Write-Verbose

$grouped = $files | Group-object -property {

if (-Not $_.extension) { "N/A" }

else { $_.Extension.Substring(1)}

}

Write-Detail "Processing data" | Write-Verbose

$grouped | Add-Member -MemberType ScriptProperty -Name Size -Value {($this.group | Measure-Object -Property length -sum).sum}

$c = [ordered]@{

{$psitem.size -ge 1MB} = "red"

{$psitem.size -ge 250KB} = "yellow"

{$psitem.size -le 10KB} = "green"

}

$grouped | Sort-object -property Name | Out-Conditionalcolor -Conditions $c -OutVariable data

Write-Detail "Saving data to log file $log" | Write-Verbose

Set-Content -Path $log -Value "Usage Report for $Path"

Add-Content -path $log -value (Get-Date)

$data | Select-Object Count, Name, Size | Out-String | Add-Content -Path $log

Write-Detail "Ending $($myinvocation.mycommand)" | Write-Verbose

$PSDefaultParameterValues.Remove("write-detail:date")

if ($Transcript -AND (Test-Path $Transcript)) {

Stop-Transcript

Write-Verbose "See $transcript for a transcript of this script."

}