Functions/Helper/SymbolicLink/Get-ValentiaSymbolicLink.ps1
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#Requires -Version 3.0 #-- SymbolicLink Functions --# <# .SYNOPSIS This function will detect only SymbolicLink items. .DESCRIPTION PowerShell SymbolicLink function. Alternative to mklink Symbolic Link. This function detect where input file fullpath item is file/directory SymbolicLink, then only Ennumerate if it is SymbolicLink. .NOTES Author: guitarrapc Created: 12/Aug/2014 .EXAMPLE ls d:\ | Get-ValentiaSymbolicLink -------------------------------------------- Pipeline Input to detect SymbolicLink items. .EXAMPLE Get-ValentiaSymbolicLink (ls d:\).FullName -------------------------------------------- Parameter Input to detect SymbolicLink items. #> function Get-ValentiaSymbolicLink { [OutputType([System.IO.DirectoryInfo[]])] [cmdletBinding()] param ( [parameter(mandatory = $true, Position = 0, ValueFromPipeline =1, ValueFromPipelineByPropertyName = 1)] [Alias('FullName')] [String[]]$Path ) begin { $private:ErrorActionPreference = $valentia.preference.ErrorActionPreference.custom function IsFile ([string]$Path) { if ([System.IO.File]::Exists($Path)) { Write-Verbose ("Input object : '{0}' detected as File." -f $Path) return [System.IO.FileInfo]($Path) } } function IsDirectory ([string]$Path) { if ([System.IO.Directory]::Exists($Path)) { Write-Verbose ("Input object : '{0}' detected as Directory." -f $Path) return [System.IO.DirectoryInfo] ($Path) } } function IsFileReparsePoint ([System.IO.FileInfo]$Path) { Write-Verbose ('File attribute detected as ReparsePoint') $fileAttributes = [System.IO.FileAttributes]::Archive, [System.IO.FileAttributes]::ReparsePoint -join ', ' $attribute = [System.IO.File]::GetAttributes($Path) $result = $attribute -eq $fileAttributes if ($result) { Write-Verbose ('Attribute detected as ReparsePoint. : {0}' -f $attribute) return $result } else { Write-Verbose ('Attribute detected as NOT ReparsePoint. : {0}' -f $attribute) return $result } } function IsDirectoryReparsePoint ([System.IO.DirectoryInfo]$Path) { $directoryAttributes = [System.IO.FileAttributes]::Directory, [System.IO.FileAttributes]::ReparsePoint -join ', ' $result = $Path.Attributes -eq $directoryAttributes if ($result) { Write-Verbose ('Attribute detected as ReparsePoint. : {0}' -f $Path.Attributes) return $result } else { Write-Verbose ('Attribute detected as NOT ReparsePoint. : {0}' -f $Path.Attributes) return $result } } } process { try { $Path ` | %{ if ($file = IsFile -Path $_) { if (IsFileReparsePoint -Path $file.FullName) { # [Valentia.SymbolicLinkGet]::GetSymbolicLinkTarget() # [System.Type]::GetType($typeQualifiedName)::GetSymbolicLinkTarget() $symTarget = [Valentia.CS.SymbolicLink]::GetSymbolicLinkTarget($file.FullName) Add-Member -InputObject $file -MemberType NoteProperty -Name SymbolicPath -Value $symTarget -Force return $file } } elseif ($directory = IsDirectory -Path $_) { if (IsDirectoryReparsePoint -Path $directory.FullName) { # [Valentia.SymbolicLinkGet]::GetSymbolicLinkTarget() # [System.Type]::GetType($typeQualifiedName)::GetSymbolicLinkTarget() $symTarget = [Valentia.CS.SymbolicLink]::GetSymbolicLinkTarget($directory.FullName) Add-Member -InputObject $directory -MemberType NoteProperty -Name SymbolicPath -Value $symTarget -Force return $directory } } } } catch { throw $_ } } } |