Script to compress file paths in PATH variable in Windows OS. Use when path length is being exceeded. Does not update the actual OS path but allows you to copy and paste it.

compress-paths.bat

@echo off

SET MyPath=%PATH%
echo %MyPath%
echo --

setlocal EnableDelayedExpansion

SET TempPath="%MyPath:;=";"%"
SET var=
FOR %%a IN (%TempPath%) DO (
    IF exist %%~sa (
        SET "var=!var!;%%~sa
    ) ELSE (
        echo %%a does not exist
    )
)

echo --
echo !var:~1!