@echo off
setlocal EnableDelayedExpansion
set "LOG_FILE=C:\Users\p.doulgeridis\Desktop\MergingXml\LOGGERTEST.LOG"
del "%LOG_FILE%" 2>nul





CALL :LOGDEBUG "log 1"
CALL :LOGDEBUG "log 2"
CALL :LOGDEBUG "log 3"

CALL :LOGDEBUGPARAM "log4" "MSG"
CALL :LOGDEBUGPARAM "log4" "debug"
CALL :LOGDEBUGPARAMFILE "log5" "system" "C:\Users\p.doulgeridis\Desktop\MergingXml\LOGGERTEST.LOG"


endlocal
goto :EOF

:LOGDEBUG
set "StringToOutput=%~1"
echo DEBUG: !StringToOutput!
echo [%DATE% - %TIME%] DEBUG: !StringToOutput!>>"%LOG_FILE%"
goto :EOF


:LOGDEBUGPARAM
set "StringToOutput=%~1"
set "Mode=%~2"
echo %Mode%: !StringToOutput!
echo [%DATE% - %TIME%] %Mode%: !StringToOutput!>>"%LOG_FILE%"
goto :EOF


:LOGDEBUGPARAMFILE
set "StringToOutput=%~1"
set "Mode=%~2"
set "LOG_FILE=%~3"
echo %Mode%: !StringToOutput!
echo [%DATE% - %TIME%] %Mode%: !StringToOutput!>>"%LOG_FILE%"
goto :EOF



:EOF