>>285
set infilenm=aaa.txt
set outfilenm=bbb.txt
set "text1=111"
set "text2=222"
call>%outfilenm%
for /f "tokens=1* delims=:" %%A in ('findstr /n "^" %infilenm%') do (
set "line=%%B"
if defined line (
call>>%outfilenm% echo %%line:%text1%=%text2%%%
) else (
call>>%outfilenm% echo.
))
set text1=
set text2=
set line=