Added support for PowerShell

README.md

@@ -1,7 +1,7 @@
 upto
 ====
 
-Bash function that allows to go up to a certain directory.
+Bash function and PowerShell script that allows to go up to a certain directory.
 
 Stop counting how many levels you have to go up in a folder tree and just type where you want to go! No more `cd ../../../..`.
 
@@ -17,4 +17,10 @@ upto will go to the highest folder matched, in the previous example, if you writ
 Configuration
 -------------
 
+Bash:
 Just add `upto.sh` to your `/etc/profile.d/` folder.
+
+PowerShell:
+Create a `Up-To` directory in one of yoru PowerShell Module Paths (typically `~\WindowsPowerShell\Modules`, but it can be any path returned by `$env:PSModulePath`) and add `up-to.psm1` there.
+
+

up-to.psm1

@@ -0,0 +1,30 @@
+<#
+  .Synopsis
+  Quickly navigate up the directory hierarchy to a matching directory
+
+  .Description
+  Searches up the directory hierarchy for a matching directory and sets the path
+  to the highest matching location
+
+  .Parameter target
+  The subpath to search for
+
+  .Example
+  # In `C:\Users\MyUser\Documents\foo\bar\baz` go to the `foo` directory
+  Up-To foo
+
+  .Example
+  # From any directory on the `C:\` drive, quickly go to the top level directory
+  Up-To c
+#>
+Function Up-To {
+  Param (
+    [Parameter(Mandatory=$true)]
+    [string]$target
+  )
+
+  Set-Location -Path (
+    [regex]::match((Get-Item -Path ".\").FullName, "(.*?" + $target + ".*?(\\|$))|(^.*$)").Value)
+}
+Set-Alias upto Up-To
+Export-ModuleMember -Function Up-To -Alias upto