DoldoWorkz

for /F "tokens=1-3 delims=/ " %%a in ('date /t') do SET DT=%%a%%b%%c
SET TITLE=%DT%の雑記
SET TEXTFILE="D:\My Dropbox\雑記\%TITLE%.txt"
if exist %TEXTFILE% ( goto FOUND ) else goto NOTFOUND
:NOTFOUND
@echo %TITLE%>%TEXTFILE%
:FOUND
start "" %TEXTFILE%