Try this. I cooked it up by consolidating a few different sources. I posted it on the microsoft connect suggestion for native support, under workarounds:
https://connect.microsoft.com/PowerShell/feedback/details/627099/need-powershell-equivalent-to-cmds-mklink
#symlinks.ps1
# First add a type so it stays available for this instance
Add-Type -TypeDefinition @'
using System;
using System.Runtime.InteropServices;
namespace mklink
{
public class symlink
{
[DllImport("kernel32.dll")]
public static extern bool CreateSymbolicLink(string lpSymlinkFileName, string lpTargetFileName, int dwFlags);
[DllImport("kernel32.dll")]
public static extern bool RemoveDirectory(string lpPathName);
[DllImport("kernel32.dll")]
public static extern uint GetLastError();
}
}
'@
Function New-ReparsePoint() {
<#
.SYNOPSIS
Creates a reparse point to the specified target.
.DESCRIPTION
Creates a reparse point to the specified target.
.PARAMETER Path
Path to the reparse point to remove.
.NOTES
Author: Jordan Mills
Version: 1.0
.EXAMPLE
Remove-SymbolicLink -Path "E:\directory\mount"
#>
[cmdletbinding(DefaultParameterSetName="default")]
Param (
[parameter(
ParameterSetName="default",
Position=0,
Mandatory=$true,
ValueFromPipeLine=$True,
ValueFromPipelineByPropertyName=$True
)]
[parameter(
ParameterSetName="file",
Position=0,
Mandatory=$true,
ValueFromPipeLine=$True,
ValueFromPipelineByPropertyName=$True
)]
[parameter(
ParameterSetName="directory",
Position=0,
Mandatory=$true,
ValueFromPipeLine=$True,
ValueFromPipelineByPropertyName=$True
)]
[Alias("Path","FileName","Directory")]
[string[]]$Name,
[parameter(
ParameterSetName="default",
Position=1,
Mandatory=$true,
ValueFromPipelineByPropertyName=$True
)]
[parameter(
ParameterSetName="file",
Position=1,
Mandatory=$true,
ValueFromPipelineByPropertyName=$True
)]
[parameter(
ParameterSetName="directory",
Position=1,
Mandatory=$true,
ValueFromPipelineByPropertyName=$True
)]
[string]$TargetPath,
[parameter(
ParameterSetName="file",
Position=2,
Mandatory=$false,
ValueFromPipelineByPropertyName=$True
)]
[switch]$IsFile,
[parameter(
ParameterSetName="directory",
Position=2,
Mandatory=$false,
ValueFromPipelineByPropertyName=$True
)]
[switch]$IsDirectory
)
If ($IsFile -or $IsDirectory) {
If($IsFile) {
$result = [mklink.symlink]::CreateSymbolicLink($Name,$TargetPath,0)
}
Else {
If($IsDirectory) {
$result = [mklink.symlink]::CreateSymbolicLink($Name,$TargetPath,1)
}
Else {
Write-Error -Message "Conflicting path type parameters. This should not happen."
Break;
}
}
}
Else {
If (Test-Path -LiteralPath $TargetPath -PathType Leaf -ErrorAction SilentlyContinue) {
$result = [mklink.symlink]::CreateSymbolicLink($Name,$TargetPath,0)
}
Else {
If (Test-Path -LiteralPath $TargetPath -PathType Container -ErrorAction SilentlyContinue) {
$result = [mklink.symlink]::CreateSymbolicLink($Name,$TargetPath,1)
}
Else {
Write-Error -Message "Unable to determine path type of TargetPath. Use -IsFile or -IsDirectory."
Break;
}
}
}
If ($result) {
Get-Item $Name
} Else {
Write-Error -Message "Error creating symbolic link" -Category WriteError #-ErrorId $([mklink.symlink]::GetLastError())
}
}
Function Remove-ReparsePoint {
<#
.SYNOPSIS
Removes a file or directory that is a reparse point (symlink or hardlink) without removing all child objects.
.DESCRIPTION
Removes a file or directory that is a reparse point (symlink or hardlink) without removing all child objects.
.PARAMETER Path
Path to the reparse point to remove.
.NOTES
Author: Jordan Mills
Version: 1.0
.EXAMPLE
Remove-SymbolicLink -Path "E:\directory\mount"
#>
[cmdletbinding()]
Param (
[parameter(
Position=0,
Mandatory=$true,
ValueFromPipeLine=$True,
ValueFromPipelineByPropertyName=$True
)]
[Alias("FullName","Name","FileName","Directory")]
[ValidateScript({Test-Path $_})]
[string[]]$Path
)
$Path |
Get-Item |
ForEach-Object {
$Item = $_;
Switch ($Item.Attributes -band ([IO.FileAttributes]::ReparsePoint -bor [IO.FileAttributes]::Directory)) {
([IO.FileAttributes]::ReparsePoint -bor [IO.FileAttributes]::Directory) {
# Is reparse directory / symlink
If ($whatif) {
Write-Host "What if: Performing the operation `"Delete Directory`" on target `"$($_.FullName)`""
} Else {
[System.IO.Directory]::Delete($Item.FullName);
Break;
}
}
([IO.FileAttributes]::ReparsePoint -bor 0) {
# Is reparse file / hardlink
If ($whatif) {
Write-Host "What if: Performing the operation `"Delete File`" on target `"$($_.FullName)`""
} Else {
[System.IO.File]::Delete($Item.FullName);
Break;
}
}
default {
Write-Error "$Item is not a reparse point."
}
}
}
}
