Removing Duplicate Entries From %PATH%

How-to Clean Up Your %PATH%

As developers, we frequently end up with duplicate entries in our path. From the command line you can clean up your path using pathman.exe. Here’s a PowerShell Script to find the duplicates and remove them using Pathman.exe:

$extraPath=(($env:path.Split(';') | group | ?{$_.Count -gt 1}).Values | %{$_[0]} pathman.exe /ru $extrapath

Disclaimer: Works for us.