[deepred]

Seryoga204,

Код:

Echo on & Chcp 1251
Set "$SRS=F:\probe\переименование\1.txt"
Set "$DST=F:\probe\переименование\2.txt"

:loop
Set /a $num+=1
If /i %$num% GTR 6 goto :Eof
Set $Crt=^/%$num%000

For /f "tokens=*" %%a in ('^<%$SRS% Find /i "%$Crt%"') Do Echo %%a >> %$DST%
goto loop