Archive - PowerShell

"It's not that I am so smart, it's just that I stay with problems longer." - Albert Einstein

◄.Contents.►

Copy
Move
Delete
Rename
Cycle through list
For loop
environmental variables

If condition
logging
registry
create popups
xxxxxx
xxxxxx

10% done

To be added:

Get-ExecutionPolicy
Set-ExecutionPolicy RemoteSigned
Get-Help About_Signing
get-command
get-command -Verb Get
get-command -Noun Service
Get-Help
Get-Help *
Get-Help Get-Service
get-service

∆ Copy file
Copy-Item c:\scripts\test.txt c:\test

∆ Create New Folder
New-Item c:\scripts\Windows PowerShell -type directory

∆ Create New File
New-Item c:\scripts\new_file.txt -type file

∆ Force new file
New-Item c:\scripts\new_file.txt -type file -force

∆ Move file
Move-Item c:\scripts\test.zip c:\test -force

∆ Delete File
Remove-Item c:\scripts\test.txt

∆ Rename File
Rename-Item c:\scripts\test.txt new_name.txt

∆ If Exist
Test-Path c:\scripts\test.txt

∆ Sleep
Start-Sleep -s 10

∆ Get top 10 memory consuming programs
Get-Process | Sort-Object pm €“desc | Select-Object €“first 10

∆ Running powershell without starting powershell
powershell.exe -noexit &'c:\my scripts\test.ps1'

∆ How to get input
[string]$c = Read-Host "Enter computer name"

∆ Get Date/Time
get-Date

∆ Get Time only
Get-Date -displayhint time

∆ Running a program
Invoke-Item c:\windows\system32\calc.exe

∆ Terminate a process
Stop-Process 3512
Stop-Process -processname notepad
Stop-Process -processname note*

∆ Display Date/Time in different formats
""
"Date / Format   YYYYMMDD        DD-MM-YYYY        MM/DD/YYYY"
"============================================================"
"Yesterday       " + (get-date (get-date).AddDays(-1) -uformat %Y%m%d) + "        " + (get-date (get-date).AddDays(-1) -uformat %d-%m-%Y) + "        " + (get-date (get-date).AddDays(-1) -uformat %m/%d/%Y)
"Today           " + (get-date -uformat %Y%m%d)                        + "        " + (get-date (get-date)             -uformat %d-%m-%Y) + "        " + (get-date (get-date)             -uformat %m/%d/%Y)
"Tomorrow        " + (get-date (get-date).AddDays(1) -uformat %Y%m%d) + "        " + (get-date (get-date).AddDays(1) -uformat %d-%m-%Y) + "        " + (get-date (get-date).AddDays(1) -uformat %m/%d/%Y)

∆ Read from a computer list
PS C:\> $names = get-content "c:\computers.txt"
PS C:\> foreach ($name in $names) {
>> $name
>> gwmi Win32_OperatingSystem -prop ServicePackMajorVersion -comp $name
>> }
>>

∆ Retrieve Username via Explorer.exe
param( [string]$strComputer = "." )

$colItems = get-wmiobject -class "Win32_BIOS" -namespace "root\CIMV2" -computername $strComputer

foreach ($objItem in $colItems) {
write-host "Name                           :" $objItem.Name
write-host "Version                        :" $objItem.Version
write-host "Manufacturer                   :" $objItem.Manufacturer
write-host "SMBIOSBIOS Version             :" $objItem.SMBIOSBIOSVersion
write-host
}

∆ Eject CDROM
param( [string] $help )

if ( $help -eq "" ) {
$colCDROMs = ( new-object -COM WMPlayer.OCX.7 ).cdromCollection
for ( $i = 0; $i -lt $colCDROMs.count ; $i++ ) { $colCDROMs.Item( $i ).eject( ) }
}
else {
write-host
write-host "CDEject.ps1, Version 1.00"
write-host "Eject all CDROMs"
write-host
}

(Get-WmiObject -class win32_process | where{$_.ProcessName -eq 'explorer.exe'}).getowner() | Select -property domain, user

∆ List BIOS Info

Accessing WMI and outputting useful info - I removed many properties
param( [string]$strComputer = "." )

$colItems = get-wmiobject -class "Win32_ComputerSystem" -namespace "root\CIMV2" -computername $strComputer

foreach ($objItem in $colItems) {
write-host "Admin Password Status          :" $objItem.AdminPasswordStatus
write-host "Automatic Reset Boot Option    :" $objItem.AutomaticResetBootOption
write-host "Automatic Reset Capability     :" $objItem.AutomaticResetCapability
write-host "Boot Option On Limit           :" $objItem.BootOptionOnLimit
write-host "Boot Option On Watch Dog       :" $objItem.BootOptionOnWatchDog
write-host "Boot ROM Supported             :" $objItem.BootROMSupported
write-host
}

∆ Show Screen Resolution
param( [string]$strComputer = "." )

$colItems = get-wmiobject -class "Win32_DisplayConfiguration" -namespace "root\CIMV2" -computername $strComputer

foreach ($objItem in $colItems) {
write-host "Device Name                    :" $objItem.DeviceName
write-host "Pels Width                     :" $objItem.PelsWidth
write-host "Pels Height                    :" $objItem.PelsHeight
write-host "Bits Per Pel                   :" $objItem.BitsPerPel
write-host "Display Frequency              :" $objItem.DisplayFrequency
write-host
}

∆ retrieves a list of all available cmdlets
Get-Command

∆ displays help information about cmdlets and concepts
Get-Help

∆ retrieves management information by using WMI
Get-WMIObject

∆ retrieves Windows event logs
Get-EventLog

∆ retrieves a single or list of active processes
Get-Process

∆ retrieves a Windows service
Get-Service

∆ reads in text files, treating each line as a child object
Get-Content
Get-Content c:\scripts\test.txt
Get-Content c:\scripts\test.txt | Foreach-Object {Get-Wmiobject -computername $_ win32_bios}

∆ appends content to a text file
Add-Content
Add-Content c:\scripts\test.txt "The End"
Add-Content c:\scripts\test.txt "`nThe End"

∆ copies files, folders, and other objects
Copy-Item

∆ retrieves access control lists (ACLs)
Get-Acl

∆ Compares 2 text files, displays the diff
param( [string]$orgfile, [string]$diffile, [string]$switch )

If ( $diffile -eq "" ) {
Write-Host
Write-Host "TxtComp.ps1, Version 1.00"
Write-Host "Compare 2 text files and display the differences"
Write-Host
Write-Host "Usage: .\TXTCOMP.PS1 file1 file2 [ /ALL ]"
Write-Host
Write-Host "Where: file1 and file2 are the files to be compared"
Write-Host " /ALL display all lines, not just the differences"
Write-Host
Write-Host
}
Else {
If ( $switch -eq "/ALL" ) {
Compare-Object $( Get-Content $orgfile ) $( Get-Content $diffile ) -IncludeEqual
}
Else {
Compare-Object $( Get-Content $orgfile ) $( Get-Content $diffile )
}
}

.....