Examples/Set-ExtendedAttribute.ps1
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function Set-ExtendedAttribute { <# .SYNOPSIS .DESCRIPTION .NOTES .EXAMPLE #> param ( [Parameter(Mandatory = $true)] [string] $FilePath, [Parameter(Mandatory = $true)] [string] $Name, [Parameter(Mandatory = $true)] [byte[]] $Value ) if(Test-Path -Path $FilePath -PathType Container) { $FileMode = $FILE_DIRECTORY_FILE } else { $FileMode = $FILE_NON_DIRECTORY_FILE } $FileHandle = NtOpenFile -FilePath $FilePath -AccessMask ($FILE_GENERIC_WRITE -bor $FILE_WRITE_EA) -ShareAccess ([System.IO.FileShare]::Read -bor [System.IO.FileShare]::Write) -OpenOptions ($FILE_RANDOM_ACCESS -bor $FileMode) ZwSetEaFile -FileHandle $FileHandle -Name $Name -Value $Value } |