@echo off

REM Comment out one of the following two lines with REM to control behaviour
set "keywords=%*"  :: This line takes keywords from the command line
REM set "keywords=myapp1 myapp2" :: This line hard-codes keywords

echo App keywords: %keywords%
echo.

echo Deleting LOGS\*.txt
del logs\*.txt
echo.

for %%A in (%keywords%) do (
  for /f "eol=: delims=" %%F in ('findstr /i /m "%%A"   *.prg') do (
    echo Creating LOGS\%%~nF.TXT -- found keyword: %%A
    copy /Y NUL logs\%%~nF.TXT
    )
)