PowerShell - Search for Duplicate files Local Server/Machine

Save as Find_Duplicate_Files_Local.ps1 or self name.ps1, This asks for a local path like c:\temp, scans the folder and reports duplicate files, once the Out-Grid is there, select all and hit enter moves all the duplicates to a c:\temp\duplicates_$date named file on screen Out-Grid , Author https://sid-500.com

---

# .SYNOPSIS

# find_ducplicate_files.ps1 finds duplicate files based on hash values.

# .DESCRIPTION

# Prompts for entering file path. Shows duplicate files for selection.

# Selected files will be moved to new folder C:\Duplicates_Date for further review.

# .EXAMPLE

# Open PowerShell. Nagivate to the file location. Type .\find_duplicate_files.ps1 OR

# Open PowerShell ISE. Open find_duplicate.ps1 and hit F5.

# .NOTES

# Author: Patrick Gruenauer | Microsoft MVP on PowerShell [2018-2020]

# Web: https://sid-500.com

############# Find Duplicate Files based on Hash Value ###############

''

$filepath = Read-Host 'Enter file path for searching duplicate files (e.g. C:\Temp, C:\)'

If (Test-Path $filepath) {

''

Write-Warning 'Searching for duplicates ... Please wait ...'

$duplicates = Get-ChildItem $filepath -File -Recurse `

-ErrorAction SilentlyContinue |

Get-FileHash |

Group-Object -Property Hash |

Where-Object Count -GT 1

If ($duplicates.count -lt 1)

{

Write-Warning 'No duplicates found.'

Break ''

}

else {

Write-Warning "Duplicates found."

$result = foreach ($d in $duplicates)

{

$d.Group | Select-Object -Property Path, Hash

}

$date = Get-Date -Format "MM/dd/yyy"

$itemstomove = $result |

Out-GridView -Title `

"Select files (CTRL for multiple) and press OK. Selected files will be moved to C:\Temp\Duplicates_$date" `

-PassThru

If ($itemstomove)

{

New-Item -ItemType Directory `

-Path $env:SystemDrive\Duplicates_$date -Force

Move-Item $itemstomove.Path `

-Destination $env:SystemDrive\Duplicates_$date -Force

''

Write-Warning `

"Mission accomplished. Selected files moved to C:\temp\Duplicates_$date"

Start-Process "C:\Duplicates_$date"

}

else

{

Write-Warning "Operation aborted. No files selected."

}

}

}

else

{

Write-Warning `

"Folder not found. Use full path to directory e.g. C:\FOLDER\SUBFOLDER"

}

---