For the modding community surrounding open-source strategy games, the command-line tool sgs_decoder (maintained by GitHub user StratModder ) is considered the for batch processing.
Disclaimer: Always back up your original .SGS file before opening it with a hex editor. One wrong byte can render the entire dataset useless. sgs file editor top
You may be looking for the file structure or how to edit .sgs files used for earthquake time-history functions in engineering software like Midas Civil. sgs file editor top