Options.ini file

%USERPROFILE%\Documents\Command and Conquer Generals Zero Hour Data

current game resolution

findstr /R /C:"Resolution" "%USERPROFILE%\Documents\Command and Conquer Generals Zero Hour Data\Options.ini"

https://en.wikipedia.org/wiki/List_of_common_display_resolutions

if the script not run on window , you may run the winodw in admin mode , then you need run the script also with admin rights