
CODE: [Copy to clipboard]@echo off
for /f "tokens=1,2 delims=:" %%i in ('findstr /n .* a.txt') do (
if "%%i"=="3" (>>aaa.txt echo %%j
) else (
call :begin %%j
)
)
pause&exit
:begin
set "var=%1"
set "var=%var:a=1%"
set "var=%var:b=2%"
set "var=%var:c=3%"
>>aaa.txt echo %var%
goto :eof
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