Find-PSOneDuplicateFile

SYNOPSIS

Identifies files with duplicate content

SYNTAX

Find-PSOneDuplicateFile [-Path] <String> [[-Filter] <String>] [<CommonParameters>]

DESCRIPTION

Returns a hashtable with the hashes that have at least two files (duplicates)

EXAMPLES

EXAMPLE 1

$Path = [Environment]::GetFolderPath('MyDocuments')
Find-PSOneDuplicateFile -Path $Path 
Find duplicate files in the user documents folder

EXAMPLE 2

Find-PSOneDuplicateFile -Path c:\windows -Filter *.log 
find log files in the Windows folder with duplicate content

PARAMETERS

-Path

Path of folder to recursively search

Type: System.String
Parameter Sets: (All)
Aliases:

Required: True
Position: 1
Default value: None
Accept pipeline input: False
Accept wildcard characters: False

-Filter

Filter to apply. Default is '*' (all Files)

Type: System.String
Parameter Sets: (All)
Aliases:

Required: False
Position: 2
Default value: *
Accept pipeline input: False
Accept wildcard characters: False

CommonParameters

This cmdlet supports the common parameters: -Debug, -ErrorAction, -ErrorVariable, -InformationAction, -InformationVariable, -OutVariable, -OutBuffer, -PipelineVariable, -Verbose, -WarningAction, and -WarningVariable. For more information, see about_CommonParameters.

INPUTS

OUTPUTS

NOTES

https://powershell.one/tricks/filesystem/finding-duplicate-files