#!/usr/bin/env python3 import os, sys, re # https://askubuntu.com/questions/1155064/grub2-create-2nd-boot-entry-with-different-kernel-command-line-options-in-grub menuentry_start = "menuentry" def extract_menuentry(infile): in_menuentry = False for line in infile.readlines(): if in_menuentry: if line.strip() == "}": in_menuentry = False print(line.rstrip()) pass else: print(line.rstrip()) pass pass else: if line.startswith(menuentry_start): in_menuentry = True match = re.search(r"menuentry '[^']+' (.*)", line) print("menuentry '%s' %s" % (os.environ.get('GRUB_ALT_NAME', 'SpectreOS Linux alt'), match.group(1))) pass pass pass pass if __name__ == "__main__": extract_menuentry(sys.stdin) pass