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‎reference/5.1/Microsoft.PowerShell.Utility/Compare-Object.md‎

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external help file: Microsoft.PowerShell.Commands.Utility.dll-Help.xml
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Locale: en-US
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Module Name: Microsoft.PowerShell.Utility
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ms.date: 06/11/2024
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ms.date: 09/11/2025
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online version: https://learn.microsoft.com/powershell/module/microsoft.powershell.utility/compare-object?view=powershell-5.1&WT.mc_id=ps-gethelp
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schema: 2.0.0
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aliases:
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- `Testfile1.txt` contains the values: dog, squirrel, and bird.
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- `Testfile2.txt` contains the values: cat, bird, and racoon.
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The output displays only the lines that are different between the files. `Testfile1.txt` is the
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**reference** object (`<=`) and `Testfile2.txt`is the **difference** object (`=>`). Lines with
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content that appear in both files aren't displayed.
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The output displays only the lines that are different between the files. Lines with content that
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appear in both files aren't displayed.
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```powershell
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Compare-Object -ReferenceObject (Get-Content -Path C:\Test\Testfile1.txt) -DifferenceObject (Get-Content -Path C:\Test\Testfile2.txt)
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$objects = @{
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ReferenceObject = (Get-Content -Path C:\Test\Testfile1.txt)
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DifferenceObject = (Get-Content -Path C:\Test\Testfile2.txt)
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}
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Compare-Object @objects
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```
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```Output
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squirrel <=
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```
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For this example, the output shows the following information
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- `cat` and `racoon` are found in the difference object file, but missing from the reference object
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file
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- `dog` and `squirrel` are found in the reference object file, but missing from the difference
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object file
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### Example 2 - Compare each line of content and exclude the differences
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This example uses the **IncludeEqual** and **ExcludeDifferent** parameters to compare each line of
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content in two text files.
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This example uses the **ExcludeDifferent** parameter to compare each line of content in two text
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files.
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Because the command uses the **ExcludeDifferent** parameter, the output only contains lines
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contained in both files, as shown by the **SideIndicator** (`==`).
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As of PowerShell 7.1, when using the **ExcludeDifferent** parameter, **IncludeEqual** is inferred
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and the output only contains lines contained in both files, as shown by the **SideIndicator**
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(`==`).
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```powershell
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$objects = @{
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In this example, we compare two different string that have the same length.
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```powershell
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Compare-Object -ReferenceObject 'abc' -DifferenceObject 'xyz' -Property Length -IncludeEqual
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$objects = @{
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ReferenceObject = 'abc'
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DifferenceObject = 'xyz'
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Property = 'Length'
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}
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Compare-Object @objects -IncludeEqual
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```
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```Output

‎reference/7.4/Microsoft.PowerShell.Utility/Compare-Object.md‎

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external help file: Microsoft.PowerShell.Commands.Utility.dll-Help.xml
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Locale: en-US
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Module Name: Microsoft.PowerShell.Utility
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ms.date: 06/11/2024
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ms.date: 09/11/2025
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online version: https://learn.microsoft.com/powershell/module/microsoft.powershell.utility/compare-object?view=powershell-7.4&WT.mc_id=ps-gethelp
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schema: 2.0.0
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aliases:
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```
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Compare-Object [-ReferenceObject] <PSObject[]> [-DifferenceObject] <PSObject[]>
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[-SyncWindow <Int32>] [-Property <Object[]>] [-ExcludeDifferent] [-IncludeEqual] [-PassThru]
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[-Culture <String>] [-CaseSensitive] [<CommonParameters>]
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[-SyncWindow <Int32>] [-Property <Object[]>] [-ExcludeDifferent] [-IncludeEqual]
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[-PassThru] [-Culture <String>] [-CaseSensitive] [<CommonParameters>]
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```
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## DESCRIPTION
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- `Testfile1.txt` contains the values: dog, squirrel, and bird.
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- `Testfile2.txt` contains the values: cat, bird, and racoon.
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The output displays only the lines that are different between the files. `Testfile1.txt` is the
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**reference** object (`<=`) and `Testfile2.txt`is the **difference** object (`=>`). Lines with
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content that appear in both files aren't displayed.
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The output displays only the lines that are different between the files. Lines with content that
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appear in both files aren't displayed.
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```powershell
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Compare-Object -ReferenceObject (Get-Content -Path C:\Test\Testfile1.txt) -DifferenceObject (Get-Content -Path C:\Test\Testfile2.txt)
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$objects = @{
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ReferenceObject = (Get-Content -Path C:\Test\Testfile1.txt)
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DifferenceObject = (Get-Content -Path C:\Test\Testfile2.txt)
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}
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Compare-Object @objects
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```
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```Output
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squirrel <=
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```
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For this example, the output shows the following information
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- `cat` and `racoon` are found in the difference object file, but missing from the reference object
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file
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- `dog` and `squirrel` are found in the reference object file, but missing from the difference
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object file
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7484
### Example 2 - Compare each line of content and exclude the differences
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This example uses the **ExcludeDifferent** parameter to compare each line of
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content in two text files.
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This example uses the **ExcludeDifferent** parameter to compare each line of content in two text
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files.
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As of PowerShell 7.1, when using the **ExcludeDifferent** parameter, **IncludeEqual** is inferred
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and the output only contains lines contained in both files, as shown by the **SideIndicator**
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In this example, we compare two different string that have the same length.
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```powershell
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Compare-Object -ReferenceObject 'abc' -DifferenceObject 'xyz' -Property Length -IncludeEqual
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$objects = @{
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ReferenceObject = 'abc'
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DifferenceObject = 'xyz'
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Property = 'Length'
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}
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Compare-Object @objects -IncludeEqual
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```
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```Output

‎reference/7.5/Microsoft.PowerShell.Utility/Compare-Object.md‎

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external help file: Microsoft.PowerShell.Commands.Utility.dll-Help.xml
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Locale: en-US
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Module Name: Microsoft.PowerShell.Utility
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ms.date: 06/11/2024
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ms.date: 09/11/2025
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online version: https://learn.microsoft.com/powershell/module/microsoft.powershell.utility/compare-object?view=powershell-7.5&WT.mc_id=ps-gethelp
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schema: 2.0.0
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aliases:
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- `Testfile1.txt` contains the values: dog, squirrel, and bird.
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- `Testfile2.txt` contains the values: cat, bird, and racoon.
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The output displays only the lines that are different between the files. `Testfile1.txt` is the
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**reference** object (`<=`) and `Testfile2.txt`is the **difference** object (`=>`). Lines with
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content that appear in both files aren't displayed.
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The output displays only the lines that are different between the files. Lines with content that
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appear in both files aren't displayed.
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```powershell
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$objects = @{
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squirrel <=
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```
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For this example, the output shows the following information
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- `cat` and `racoon` are found in the difference object file, but missing from the reference object
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file
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- `dog` and `squirrel` are found in the reference object file, but missing from the difference
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object file
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### Example 2 - Compare each line of content and exclude the differences
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This example uses the **ExcludeDifferent** parameter to compare each line of
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content in two text files.
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This example uses the **ExcludeDifferent** parameter to compare each line of content in two text
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files.
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As of PowerShell 7.1, when using the **ExcludeDifferent** parameter, **IncludeEqual** is inferred
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and the output only contains lines contained in both files, as shown by the **SideIndicator**

‎reference/7.6/Microsoft.PowerShell.Utility/Compare-Object.md‎

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external help file: Microsoft.PowerShell.Commands.Utility.dll-Help.xml
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Locale: en-US
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Module Name: Microsoft.PowerShell.Utility
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ms.date: 06/11/2024
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ms.date: 09/11/2025
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online version: https://learn.microsoft.com/powershell/module/microsoft.powershell.utility/compare-object?view=powershell-7.6&WT.mc_id=ps-gethelp
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schema: 2.0.0
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aliases:
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```
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Compare-Object [-ReferenceObject] <PSObject[]> [-DifferenceObject] <PSObject[]>
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[-SyncWindow <Int32>] [-Property <Object[]>] [-ExcludeDifferent] [-IncludeEqual] [-PassThru]
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[-Culture <String>] [-CaseSensitive] [<CommonParameters>]
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[-SyncWindow <Int32>] [-Property <Object[]>] [-ExcludeDifferent] [-IncludeEqual]
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[-PassThru] [-Culture <String>] [-CaseSensitive] [<CommonParameters>]
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```
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## DESCRIPTION
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- `Testfile1.txt` contains the values: dog, squirrel, and bird.
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- `Testfile2.txt` contains the values: cat, bird, and racoon.
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The output displays only the lines that are different between the files. `Testfile1.txt` is the
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**reference** object (`<=`) and `Testfile2.txt`is the **difference** object (`=>`). Lines with
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content that appear in both files aren't displayed.
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The output displays only the lines that are different between the files. Lines with content that
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appear in both files aren't displayed.
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```powershell
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Compare-Object -ReferenceObject (Get-Content -Path C:\Test\Testfile1.txt) -DifferenceObject (Get-Content -Path C:\Test\Testfile2.txt)
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$objects = @{
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ReferenceObject = (Get-Content -Path C:\Test\Testfile1.txt)
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DifferenceObject = (Get-Content -Path C:\Test\Testfile2.txt)
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}
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Compare-Object @objects
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```
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```Output
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squirrel <=
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```
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For this example, the output shows the following information
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- `cat` and `racoon` are found in the difference object file, but missing from the reference object
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file
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- `dog` and `squirrel` are found in the reference object file, but missing from the difference
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object file
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### Example 2 - Compare each line of content and exclude the differences
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This example uses the **ExcludeDifferent** parameter to compare each line of
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content in two text files.
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This example uses the **ExcludeDifferent** parameter to compare each line of content in two text
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files.
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As of PowerShell 7.1, when using the **ExcludeDifferent** parameter, **IncludeEqual** is inferred
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and the output only contains lines contained in both files, as shown by the **SideIndicator**
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In this example, we compare two different string that have the same length.
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```powershell
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Compare-Object -ReferenceObject 'abc' -DifferenceObject 'xyz' -Property Length -IncludeEqual
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$objects = @{
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ReferenceObject = 'abc'
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DifferenceObject = 'xyz'
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Property = 'Length'
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}
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Compare-Object @objects -IncludeEqual
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```
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```Output

‎reference/docs-conceptual/whats-new/What-s-New-in-PowerShell-74.md‎

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---
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title: What's New in PowerShell 7.4
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description: New features and changes released in PowerShell 7.4
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ms.date: 06/16/2025
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ms.date: 09/11/2025
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---
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# What's New in PowerShell 7.4
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PowerShell 7.4.11 includes the following features, updates, and breaking changes. PowerShell 7.4.10
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is built on .NET 8.0.411.
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PowerShell 7.4.12 includes the following features, updates, and breaking changes. PowerShell 7.4.12
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is built on .NET 8.0.413.
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For a complete list of changes, see the [CHANGELOG][chg] in the GitHub repository.
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## Updated versions of PSResourceGet and PSReadLine
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PowerShell 7.4 includes **Microsoft.PowerShell.PSResourceGet** v1.0.1. This module is installed
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PowerShell 7.4 includes **Microsoft.PowerShell.PSResourceGet** v1.1.1. This module is installed
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side-by-side with **PowerShellGet** v2.2.5 and **PackageManagement** v1.4.8.1. For more information,
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see the documentation for [Microsoft.PowerShell.PSResourceGet][12].
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PowerShell 7.4 now includes **PSReadLine** v2.3.4. For more information, see the documentation for
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PowerShell 7.4 now includes **PSReadLine** v2.3.6. For more information, see the documentation for
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[PSReadLine][13].
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## Tab completion improvements

‎reference/docs-conceptual/whats-new/What-s-New-in-PowerShell-75.md‎

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---
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title: What's New in PowerShell 7.5
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description: New features and changes released in PowerShell 7.5
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ms.date: 06/16/2025
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ms.date: 09/11/2025
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---
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# What's New in PowerShell 7.5
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PowerShell 7.5.2 includes the following features, updates, and breaking changes. PowerShell
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7.5 is built on .NET 9.0.301 release.
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PowerShell 7.5.3 includes the following features, updates, and breaking changes. PowerShell
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7.5 is built on .NET 9.0.304 release.
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For a complete list of changes, see the [CHANGELOG][chg] in the GitHub repository. For more
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information about .NET 9, see [What's new in .NET 9][07].
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- The Windows installer now remembers installation options used and uses them to initialize options
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for the next installation ([#20420][20420]) (Thanks @reduckted!)
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- `ConvertTo-Json` now serializes `BigInteger` as a number ([#21000][21000]) (Thanks @jborean93!)
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- .NET 9 removed the `BinaryFormatter` implementation causing a regression in the `Out-GridView`
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cmdlet. The search feature of `Out-GridView` doesn't work in PowerShell 7.5. This problem is
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tracked in [Issue #24749][24749].
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## Updated modules
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PowerShell 7.5.0 includes the following updated modules:
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PowerShell 7.5.3 includes the following updated modules:
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- **Microsoft.PowerShell.PSResourceGet** v1.1.0
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- **Microsoft.PowerShell.PSResourceGet** v1.1.1
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- **PSReadLine** v2.3.6
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## Tab completion improvements
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## Other cmdlet improvements
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- Fix `Out-GridView` by replacing the use of obsolete `BinaryFormatter` with custom implementation
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([#25559][25559])
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- Enable `-NoRestart` to work with `Register-PSSessionConfiguration` ([#23891][23891])
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- Add `IgnoreComments` and `AllowTrailingCommas` options to `Test-Json` cmdlet ([#23817][23817])
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(Thanks @ArmaanMcleod!)
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[24115]: https://github.com/PowerShell/PowerShell/pull/24115
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[24228]: https://github.com/PowerShell/PowerShell/pull/24228
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[24236]: https://github.com/PowerShell/PowerShell/pull/24236
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[24749]: https://github.com/PowerShell/PowerShell/issues/24749
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[25305]: https://github.com/PowerShell/PowerShell/pull/25305
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[25306]: https://github.com/PowerShell/PowerShell/pull/25306
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[25324]: https://github.com/PowerShell/PowerShell/pull/25324
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[25330]: https://github.com/PowerShell/PowerShell/pull/25330
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[25357]: https://github.com/PowerShell/PowerShell/pull/25357
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[25547]: https://github.com/PowerShell/PowerShell/pull/25547
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[25559]: https://github.com/PowerShell/PowerShell/pull/25559

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