ファイルの更新日時を、別のファイル作成のためのファイル名にする

data_filename.bat

for %%i in ("%filename%") do set date=%%~ti
set date=%date:/=-%
set date=%date::=-%
set date=%date: =_%
echo date filename test > %date%.txt
pause

date_filepath.bat

for %%i in ("%filepath%") do set date=%%~ti
for %%i in ("%filepath%") do set drive=%%~di
for %%i in ("%filepath%") do set folder=%%~pi
set date=%date:/=-%
set date=%date::=-%
set date=%date: =_%
echo date filename test > %drive%%folder%%date%.txt
pause