use better logic for tokenization (#465)

Co-authored-by: root <root@DESKTOP-0J860NS>

scripts/assume.bat

@@ -4,12 +4,12 @@ set SHELL=cmd
 set GRANTED_ALIAS_CONFIGURED=true
 assumego %* 1> %TEMP%\temp-assume.txt
 set ASSUME_STATUS=%ERRORLEVEL%
-set /p ASSUME_OUTPUT=<%TEMP%\temp-assume.txt
+for /f "delims=" %%a in (%TEMP%\temp-assume.txt) do set "ASSUME_OUTPUT=%%a"
 del %TEMP%\temp-assume.txt
 
 @echo off
 for /f "tokens=1,2,3,4,5,6,7,8,9,10,11 delims= " %%a in ("%ASSUME_OUTPUT%") do (
-    
+
     if "%%a" == "GrantedDesume" (
 		set AWS_ACCESS_KEY_ID=
 		set AWS_SECRET_ACCESS_KEY=
@@ -75,7 +75,7 @@ for /f "tokens=1,2,3,4,5,6,7,8,9,10,11 delims= " %%a in ("%ASSUME_OUTPUT%") do (
 
         if "%%l" NEQ "None" (
             set GRANTED_SSO_ACCOUNT_ID=%%g)
-
+        
         Exit /b %ASSUME_STATUS%
     )