[Dragokas]

Код:

@echo off
Setlocal EnableDelayedExpansion EnableExtensions

set src=Inst_Update.txt

set KBCount=0
for /F "UseBackQ tokens=1,2 delims=-" %%K in ("%src%") do (
  if "%%L" neq "" (
    if defined KBID.%%K (
      if !KBID.%%K! LSS %%L set KBID.%%K=%%L
    ) else (
      set /A KBCount+=1
      set KBn.!KBCount!=%%K
      set KBID.%%K=%%L
    )
  )
)
(
for /L %%C in (1,1,%KBCount%) do call echo !KBn.%%C!--%%KBID.!KBn.%%C!%%
) > "Inst_Update2.txt"
pause