Код:
@Echo Off
cls
Set "FileIn=Z:\Box_In\In File.txt"
Set "Key=let"
FOR /F "usebackq tokens=1,2,3 delims==; " %%i IN (`more "%FileIn%" 2^>nul`) DO (
Call :Ident "lasr_port" "%%i" "%%j" "%%k"
Call :Ident "lasr_host" "%%i" "%%j" "%%k"
rem Остальные три строки вставил как пример возможности
Call :Ident "vaRepLib" "%%i" "%%j" "%%k"
Call :Ident "lasr_engine" "%%i" "%%j" "%%k"
Call :Ident "lasr_tag" "%%i" "%%j" "%%k"
)
Echo %lasr_port%
Echo %lasr_host%
Echo %vaRepLib%
Echo %lasr_engine%
Echo %lasr_tag%
pause
GoTo :Eof
:Ident
If /I %2=="%Key%" If /I %1==%3 Set "%~1=%~4"
GoTo :Eof
