Snippets

Author: SamErde

…ppets/Get Domain and GC without RSAT.ps1 …-RSAT/Get Domain and GC without RSAT.ps1Snippets/Get Domain and GC without RSAT.ps1 renamed to Active Directory/No-RSAT/Get Domain and GC without RSAT.ps1 Snippets/Get Domain and GC without RSAT.ps1 renamed to Active Directory/No-RSAT/Get Domain and GC without RSAT.ps1

@@ -17,16 +17,16 @@ function Get-AverageExecutionTime {
     [CmdletBinding()]
     param (
         [Parameter(
-            Mandatory=$true,
-            HelpMessage="Specify a scriptblock to measure the execution time of."
+            Mandatory = $true,
+            HelpMessage = 'Specify a scriptblock to measure the execution time of.'
         )]
-            [scriptblock]$Scriptblock,
+        [scriptblock]$Scriptblock,
 
         [Parameter(
-            Mandatory=$false,
-            HelpMessage="Specify the number of times to run the scriptblock. (Default 50)"
+            Mandatory = $false,
+            HelpMessage = 'Specify the number of times to run the scriptblock. (Default 50)'
         )]
-            [int]$Count = 50
+        [int]$Count = 50
     )
 
     begin {

Snippets/.NET Type Examples.ps1

@@ -1,8 +1,7 @@
 # Check if a string exists as a key in a hash table
-$StringToCheck = "SomeString"
+$StringToCheck = 'SomeString'
 if ($null -eq $HashTable[$StringToCheck]) {
     Write-Output "The key [$StringToCheck] does not exist in the hash table"
-}
-else {
+} else {
     Write-Output "The key [$StringToCheck] exists in the hash table"
 }

Snippets/Average Time to Run a Command.ps1

@@ -1,3 +1,3 @@
 function Diffy {
     code --diff $args[0] $args[1]
-}
+}

Snippets/Check if a key exists in a hash table.ps1

@@ -1,4 +1,4 @@
-$BuildVersion = "23.03.15.2119"
+$BuildVersion = '23.03.15.2119'
 
 $scriptName = $script:MyInvocation.MyCommand.Name
 $scriptPath = [IO.Path]::GetDirectoryName($script:MyInvocation.MyCommand.Path)
@@ -7,7 +7,7 @@ $scriptFullName = (Join-Path $scriptPath $scriptName)
 $result = [PSCustomObject]@{
     ScriptName     = $scriptName
     CurrentVersion = $BuildVersion
-    LatestVersion  = ""
+    LatestVersion  = ''
     UpdateFound    = $false
     Error          = $null
 }
@@ -22,24 +22,24 @@ function CreateCustomCSV {
 
     $ItemType = $data.ItemClass
 
-    if ($data.ItemClass.StartsWith("IPM.Note")) {
-        $ItemType = "E-Mail"
-    } elseif ($data.ItemClass.StartsWith("IPM.Appointment")) {
-        $ItemType = "Calendar"
-    } elseif ($data.ItemClass.StartsWith("IPM.Task")) {
-        $ItemType = "Task"
+    if ($data.ItemClass.StartsWith('IPM.Note')) {
+        $ItemType = 'E-Mail'
+    } elseif ($data.ItemClass.StartsWith('IPM.Appointment')) {
+        $ItemType = 'Calendar'
+    } elseif ($data.ItemClass.StartsWith('IPM.Task')) {
+        $ItemType = 'Task'
     }
 
     $row = [PSCustomObject]@{
-        "Mailbox"                     = $mailbox
-        "Id"                          = $data.Id
-        "ItemType"                    = $ItemType
-        "Sender"                      = ($data.From | Select-Object -ExpandProperty Address) -join ","
-        "Recipient"                   = ($data.ToRecipients | Select-Object -ExpandProperty Address) -join ","
-        "Subject"                     = $data.Subject
-        "DateReceived"                = $data.DateTimeReceived
-        "PidLidReminderFileParameter" = $data.ExtendedProperties[0].Value
-        "Cleanup"                     = "N"
+        'Mailbox'                     = $mailbox
+        'Id'                          = $data.Id
+        'ItemType'                    = $ItemType
+        'Sender'                      = ($data.From | Select-Object -ExpandProperty Address) -join ','
+        'Recipient'                   = ($data.ToRecipients | Select-Object -ExpandProperty Address) -join ','
+        'Subject'                     = $data.Subject
+        'DateReceived'                = $data.DateTimeReceived
+        'PidLidReminderFileParameter' = $data.ExtendedProperties[0].Value
+        'Cleanup'                     = 'N'
     }
 
     $row | Export-Csv -Path $CsvPath -NoTypeInformation -Append -Encoding utf8 -Force
@@ -77,4 +77,4 @@ function Find-ESC8 {
             [PSCustomObject] $Issue
         }
     }
-}
+}

Snippets/Diffy.ps1 Snippets/Compare Two Files with Code.ps1Snippets/Diffy.ps1 renamed to Snippets/Compare Two Files with Code.ps1

@@ -2,18 +2,18 @@
 function Connect-AzureTestCompatible {
     [CmdletBinding()]
     Param(
-        [Parameter(Mandatory=$false)]
+        [Parameter(Mandatory = $false)]
         [ArgumentCompleter( {
-            param ( $CommandName, $ParameterName, $WordToComplete, $CommandAst, $FakeBoundParameters )
-            $Global:EnvironmentNames = (Get-MgEnvironment).Name; $Global:EnvironmentNames
-        } )]
+                param ( $CommandName, $ParameterName, $WordToComplete, $CommandAst, $FakeBoundParameters )
+                $Global:EnvironmentNames = (Get-MgEnvironment).Name; $Global:EnvironmentNames
+            } )]
         [ValidateScript({
-            if ($_ -in $Global:EnvironmentNames) {
-                $true
-            } else {
-                throw "`n$_ is not a valid environment name. Please use one of the following: $($Global:EnvironmentNames -join ', ')"
-            }
-        })]
+                if ($_ -in $Global:EnvironmentNames) {
+                    $true
+                } else {
+                    throw "`n$_ is not a valid environment name. Please use one of the following: $($Global:EnvironmentNames -join ', ')"
+                }
+            })]
         [string]$Environment
     )
     Connect-MgGraph -Environment $Environment
@@ -32,7 +32,7 @@ Class EnvironmentName : System.Management.Automation.IValidateSetValuesGenerator
 function Connect-GraphTest {
     [CmdletBinding()]
     param(
-        [Parameter(Mandatory=$false)]
+        [Parameter(Mandatory = $false)]
         [ValidateSet([EnvironmentName])]
         [string]$Environment
     )

Snippets/Custom Object Examples.ps1

@@ -0,0 +1,22 @@
+# .NET Type Examples:
+[System.IO.Path]::GetTempPath()
+[System.Globalization.RegionInfo]::CurrentRegion
+[IO.File]::ReadAllText($FilePath)
+[System.IO.Path]::Combine($Path1, $Path2)
+
+# Using Is Null or Empty
+if ([string]::IsNullOrEmpty($customNames)) {
+    # Do something
+}
+
+# Load the .NET assembly to make it available to the whole script or session
+Add-Type -AssemblyName 'System.DirectoryServices'
+Add-Type -AssemblyName 'System.Net.NetworkInformation'
+# Works when offline, returns the DNS domain name, not the NetBIOS domain name:
+( [System.Net.NetworkInformation.IPGlobalProperties]::GetIPGlobalProperties() ).DomainName
+# Requires domain connectivity, returns the DNS domain name, not the NetBIOS domain name:
+[System.DirectoryServices.ActiveDirectory.Domain]::GetComputerDomain().Name
+# Find a global catalog server:
+[System.DirectoryServices.ActiveDirectory.Domain]::GetComputerDomain().Forest.FindGlobalCatalog().Name
+# Find a domain controller:
+[System.DirectoryServices.ActiveDirectory.Domain]::GetComputerDomain().FindDomainController().Name