Differences between revisions 3 and 7 (spanning 4 versions)

Here is a list of Power Shell Scripts that are too cool to ignore

For the uninitiated:

Symbol	Meaning
%	shortcut for foreach object
$_	current object in the pipeline

List of AD accounts and the last time they logged in

   1 Get-ADUser -Filter * -SearchBase "dc=home,dc=scotnpatti,dc=com" -ResultPageSize 0 -Prop CN,samaccountname,lastLogonTimestamp | select CN, samaccountname,@{n="lastLogonDate";e={[datetime]::FromFileTime($_.LastLogonTimestamp)}}

List Memory Installed

   1 Get-WmiObject win32_physicalmemory | Format-Table Manufacturer,Banklabel,Configuredclockspeed,Devicelocator,Capacity,Serialnumber -autosize

List object from Registry - namely version of .NET installed

   1 gci 'HKLM:\SOFTWARE\Microsoft\NET Framework Setup\NDP' | sort pschildname -des | foreach-object {$_.name; $_.GetValue("Version");}

Remote commands

   1 Invoke-Command -ComputerName eve -ScriptBlock { date }

Replace a string in a file using a regular expression

So I downloaded a bunch of files from "the way back machine" site and I needed to update the hard-coded links to be relative site links. The following little script did it for me.

   1 $files = ls Level*.html
   2 foreach ($item in $files) {
   3     (Get-Content -path $item) | % { $_ -Replace '(https://web.archive.org/nebula/level)([0123456789]{2})/', 'Level$2.html' } | Set-Content $item
   4 }

WindowsAdministration/PowerShellScripts (last edited 2024-08-30 00:21:07 by scot)

-  ⇤ ← Revision 3 as of 2018-10-16 19:17:59 → 
  Size: 773
  Editor: scot
  Comment:
+   ← Revision 7 as of 2018-12-28 05:12:15 → ⇥
  Size: 1580
  Editor: scot
  Comment:
-Deletions are marked like this.
+Additions are marked like this.
 Line 2:
+For the uninitiated: 

|| Symbol || Meaning ||
|| %  || shortcut for foreach object ||
|| $_ || current object in the pipeline ||
-Line 5:
+Line 11:
-{{{
+{{{#!highlight powershell
-Line 11:
+Line 17:
-{{{
+{{{#!highlight powershell
-Line 18:
+Line 24:
-{{{
+{{{#!highlight powershell
-Line 21:
+Line 27:
+== Remote commands ==

{{{#!highlight powershell
Invoke-Command -ComputerName eve -ScriptBlock { date }
}}}

== Replace a string in a file using a regular expression ==

So I downloaded a bunch of files from "the way back machine" site and I needed to update the hard-coded links to be relative site links. The following little script did it for me. 

{{{#!highlight powershell

$files = ls Level*.html
foreach ($item in $files) {
    (Get-Content -path $item) | % { $_ -Replace '(https://web.archive.org/nebula/level)([0123456789]{2})/', 'Level$2.html' } | Set-Content $item
} 

}}}