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Registry Slideshow

  1. Function RegUpdate { 
  2.  
  3. param ( 
  4.  
  5. [string]$regKey, 
  6. [string]$Name, 
  7. [string]$data, 
  8. [string]$type 
  9.  
  10. ) 
  11.  
  12. If($data -eq "null")  
  13. { 
  14. $data = "null" 
  15. }  
  16.  
  17. Write-Host "Value Data is >>>> $data" 
  18. Write-host "Create/ Update the Registry Value" 
  19. Write-Host "Checking the machine to see $regKey" 
  20. $pattern = "(.\w+).+" 
  21. $reg = [regex]$pattern 
  22. #Write-host $reg 
  23. $value = $regkey -match $reg 
  24.     
  25.   If (( $matches[1] -eq "HKLM") -or ($matches[1] -eq "HKEY_LOCAL_MACHINE")) { 
  26.      
  27.     $old  = $matches[1]+"\" 
  28.     $updateKey = $regKey.replace($old , "HKLM:\") 
  29.      
  30. } 
  31.   else 
  32.   { 
  33.    $pattern = "(.\w)+." 
  34.    $reg = [regex]$pattern 
  35.    $value = $regkey -match $reg 
  36.     
  37.     
  38.    If (( $matches[0] -eq "HKCU") -or ($matches[0] -eq "HKEY_CURRENT_USER")) { 
  39.     $old  = $matches[0]+"\" 
  40.     $updateKey = $regKey.replace($old , "HKCU:\") 
  41.      
  42.     } 
  43.  
  44. } 
  45.      if(Test-Path  -Path  $updateKey) { 
  46.        Write-Host "Registry Hive found $updatekey" 
  47.        Write-Host "Checking if the Value of the RegKey is already Present" 
  48.        Write-Host "Value is Present. Finding the Value Data for the $name" 
  49.        $Valuedata = (Get-ItemProperty -Path $updateKey).$Name 
  50.        #Remove-ItemProperty -Path $updateKey -name $Name 
  51.         
  52.        if ($data -eq "null") { 
  53.        Write-Host "Reg Key:     $updateKey" 
  54.        Write-Host "Value Name:  $Name" 
  55.        Write-Host "Value data:  $Valuedata" 
  56.        return 
  57.         }  
  58.      if ($Valuedata -ne $null) { 
  59.         if ($Valuedata -eq $data) { 
  60.           Write-Host "=====================================================================" 
  61.           Write-Host "Found the key. No Change made to the Registry" 
  62.           Write-Host "Reg Key:     $updateKey" 
  63.           Write-Host "Value Name:  $Name" 
  64.           Write-Host "Value data:  $Valuedata" 
  65.           Write-Host "Scripting Ending.... " 
  66.           Write-Host "=====================================================================" 
  67.           return 
  68.          
  69.          } 
  70.       
  71.       
  72.      else 
  73.       
  74.      { 
  75.      Write-Host "Value Not found $updatekey" 
  76.      Write-Host "Current Registry value is  $Valuedata" 
  77.      Write-Host "=====================================================================" 
  78.      Write-Host "Creating the Registry key" 
  79.      Set-ItemProperty -Path $updateKey -Name $Name -Value $data  
  80.      Write-Host "=====================================================================" 
  81.      $Valuedata = (Get-ItemProperty -Path $updateKey).$Name 
  82.      if ($Valuedata -eq $data) { 
  83.           Write-Host "=====================================================================" 
  84.           Write-Host "Reg Key:     $updateKey" 
  85.           Write-Host "Value Name:  $Name" 
  86.           Write-Host "Value data:  $Valuedata" 
  87.           Write-Host "Found the key." 
  88.           Write-Host "Successfully Created the Registry Key" 
  89.           Write-Host "S U C C E S S" 
  90.           Write-Host "Scripting Ending.... " 
  91.           Write-Host "=====================================================================" 
  92.           return 
  93.          
  94.          } 
  95.        }  
  96.     } 
  97.     else{ 
  98.     Write-Host "Value does not exist on the machine" 
  99.     Write-Host "=====================================================================" 
  100.     Write-Host "Creating the Registry key" 
  101.     New-ItemProperty -Path $updateKey -Name $Name -Value $data -PropertyType $type | Out-Null 
  102.     Write-Host "=====================================================================" 
  103.     Write-Host "Checking if the Registry key is created on the machine" 
  104.      $Valuedata = (Get-ItemProperty -Path $updateKey).$Name 
  105.      if ($Valuedata -eq $data) { 
  106.           Write-Host "=====================================================================" 
  107.           Write-Host "Reg Key:     $updateKey" 
  108.           Write-Host "Value Name:  $Name" 
  109.           Write-Host "Value data:  $Valuedata" 
  110.           Write-Host "Found the key." 
  111.           Write-Host "Successfully Created the Registry Key" 
  112.           Write-Host "S U C C E S S" 
  113.           Write-Host "Scripting Ending.... " 
  114.           Write-Host "=====================================================================" 
  115.           return 
  116.          
  117.          } 
  118.          else { 
  119.            Write-Host "=====================================================================" 
  120.           Write-Host "Registry Key is not present." 
  121.           Write-Host "F A I L" 
  122.           Write-Host "Scripting Ending.... " 
  123.           Write-Host "=====================================================================" 
  124.           return 
  125.          } 
  126.        } 
  127.      } 
  128.    } 
  129.  
  130.  
  131.  
  132. #usage  
  133.  
  134. # Call the Function by passing the Registry Key , Value Name , Value Data , Type" 
  135. # This Function Create/Update the Exitng value  
  136. # Regupdate "HKEY_LOCAL_MACHINE\SOFTWARE\TEST" "E2" "0" "Dword" 
  137. # Regupdate "HKEY_LOCAL_MACHINE\SOFTWARE\TEST" "E2" "0" "Dword" 
  138. # Regupdate "HKEY_LOCAL_MACHINE\SOFTWARE\TEST" "Entry" "Newupdate" 
  139. # Pass "Null"  for the Third Argument while calling the Function if you want to retive the Registry Value Data" 
  140. # Regupdate "HKEY_LOCAL_MACHINE\SOFTWARE\TEST" "Entry" "Null" 
 
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