中国DOS联盟

@echo off&Setlocal EnableDelayedExpansion

set b=0

copy nul result.txt 2>nul 1>nul

for /f %%a in (1.txt) do (

	set a!b!=%%a

	set /a b+=1

)

set b=0

for /f %%b in (2.txt) do (

	set b!b!=%%b

	set /a b+=1

)

set /a d=%b%-1

for /l %%c in (0,1,%d%) do (

	set /a c=a%%c+b%%c

	echo=!c!

	>>result.txt echo=!c!

)

start result.txt

exit/b0