Functions/Test-PathIsJunction.ps1
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# Copyright 2012 Aaron Jensen # # Licensed under the Apache License, Version 2.0 (the "License"); # you may not use this file except in compliance with the License. # You may obtain a copy of the License at # # http://www.apache.org/licenses/LICENSE-2.0 # # Unless required by applicable law or agreed to in writing, software # distributed under the License is distributed on an "AS IS" BASIS, # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. # See the License for the specific language governing permissions and # limitations under the License. function Test-PathIsJunction { <# .SYNOPSIS Tests if a path is a junction. .DESCRIPTION Tests if path is the path to a junction. If `Path` doesn't exist, returns false. The alternate way of doing this is to use the `IsJunction` extension method on `DirectoryInfo` objects, which are returned by the `Get-Item` and `Get-ChildItem` cmdlets. .EXAMPLE Test-PathIsJunction -Path C:\I\Am\A\Junction Returns `True`. .EXAMPLE Test-PathIsJunction -Path C:\I\Am\Not\A\Junction Returns `False`. .EXAMPLE Get-ChildItem * | Where-Object { $_.PsIsContainer -and $_.IsJunction } Demonstrates an alternative way of testing for junctions. Uses Carbon's `IsJunction` extension method on the `DirectoryInfo` type to check if any directories under the current directory are junctions. #> [CmdletBinding()] param( [string] # The path to check $Path ) Set-StrictMode -Version 'Latest' Use-CallerPreference -Cmdlet $PSCmdlet -Session $ExecutionContext.SessionState if( Test-Path $Path -PathType Container ) { return (Get-Item $Path -Force).IsJunction } return $false } |