Added full PATH scanning

Author: ptrumpis

amdocl.bat

@@ -4,20 +4,50 @@ echo By Patrick Trumpis (https://github.com/ptrumpis/OpenCL-AMD-GPU)
 echo Inspired by https://stackoverflow.com/a/28407851
 echo:
 
-%SYSTEMDRIVE%
-cd %SYSTEMROOT%
-cd system32
+>nul 2>&1 "%SYSTEMROOT%\System32\cacls.exe" "%SYSTEMROOT%\System32\config\system" && (
+    goto :run
+) || (
+    echo Execution stopped
+    echo ==================
+    echo This script requires administrator rights.
+    echo Please run it again as administrator.
+    echo You can right click the file and select 'Run as administrator'
 
+    echo:
+    pause
+    exit /b 1
+)
+
+:run
 SET ROOTKEY=HKEY_LOCAL_MACHINE\SOFTWARE\Khronos\OpenCL\Vendors
 
 SETLOCAL EnableDelayedExpansion
-FOR /r %%x IN (*amdocl*dll) DO (
-	SET FILE="%%x"
-	reg add %ROOTKEY% /v %%x /t REG_DWORD /d 0 /f
-
-	IF !ERRORLEVEL! == 0 (
-		echo Added: !FILE!
-		echo:
-	)
+
+echo Now scanning your PATH for amdocl.dll files, please wait...
+echo:
+
+for %%a in ("%path:;=";"%") do (
+    if "%%~a" neq "" (
+        cd /D %%a
+        for /r %%f in (*amdocl*dll) do (
+            set FILE="%%~dpnxf"
+            echo Found: !FILE!
+
+            reg query %ROOTKEY% /v !FILE! >nul 2>&1
+
+            if not !ERRORLEVEL! == 0 (
+                reg add %ROOTKEY% /v !FILE! /t REG_DWORD /d 0 /f
+
+                IF !ERRORLEVEL! == 0 (
+                    echo Added: !FILE!
+                )
+            )
+        )
+    )
 )
+
+echo:
+echo Done.
+echo:
 pause
+exit /b 0