# The Get-Command cmdlet can return information not only 
# about cmdlets but other applications and scripts that 
# PowerShell "knows" about. This month I have as PowerShell 
# oneliner that uses Get-Command to find all PowerShell 
# scripts in any folder in your path. Using a series of 
# Select-Object expressions, the oneliner displays the 
# script name, location, its size, when it was created, 
# when it was last modified and the status of its 
# digital signture. You do sign your production scripts 
# don't you? I'm sorting the output by folder and size 
# but you may have other uses for this information.

# DISCLAIMER AND WARNING:
# 	THIS CODE AND INFORMATION ARE PROVIDED "AS IS" WITHOUT WARRANTY OF ANY
# 	KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE
# 	IMPLIED WARRANTIES OF MERCHANTABILITY AND/OR FITNESS FOR A PARTICULAR PURPOSE.
#   TEST THOROUGHLY IN A NON-PRODUCTION ENVIRONMENT. IF YOU DON'T KNOW WHAT THIS
#   SCRIPT WILL DO...DO NOT RUN IT!

# Technically this is a one line command but I've
# split it for legibility.
Get-Command -commandtype externalscript | 
select Name,@{name="Folder";expression={
Split-Path $_.definition -parent}},@{
name="Size";Expression={
(Get-ChildItem $_.definition).length}},@{
name="Created";Expression={
(get-childitem $_.definition).CreationTime}},@{
name="Modified";Expression={
(get-childitem $_.definition).LastWriteTime}},@{
name="Signature";Expression={
(Get-AuthenticodeSignature $_.definition).Status }} |
Sort Folder,Size

#sample output
# Name      : Initialize-VIToolkitEnvironment.ps1
# Folder    : C:\Program Files (x86)\VMware\Infrastructure\VIToolkitForWindows\Scripts
# Size      : 7749
# Created   : 1/20/2009 9:01:34 PM
# Modified  : 1/20/2009 9:01:34 PM
# Signature : Valid