Código (dos) [Seleccionar]
@echo off
setlocal
for /f "tokens=*" %%s in ('type "file.txt"') do (
set "record=%%s"
call :output
)
endlocal
goto :EOF
:output
if not defined prev_rec goto:write
if "%record%" EQU "%prev_rec%" goto:EOF
:write
@echo %record% >> final.txt
set "prev_rec=%record%"
DeL /f /q file.txt
REn final.txt file.txt
ASi quedaria
