自動でファイル名の先頭に日付時間情報を付加

ファイル名の先頭に日付を自動でRENAME

@echo off

rem --------------------------------------
rem Check parameters
rem --------------------------------------

if %1% == "" (
 call :usage
 pause
 exit
)

if "%2%" == "-no_ask" (
 set noask=1
) else (
 set noask=0
)

if NOT EXIST %1 (
 echo Error: file not found "%1%"
 pause
 exit
)

rem --------------------------------------
rem get file info
rem more info -> HELP CALL
rem --------------------------------------
set file_path=%~dp1

set file_name=%~nx1

rem --------------------------------------
rem get time
rem --------------------------------------
set date_tmp=%date:/=%
set time_tmp=%time: =0%
set yyyy=%date_tmp:~0,4%
set yy=%date_tmp:~2,2%
set mm=%date_tmp:~4,2%
set dd=%date_tmp:~6,2%
set hh=%time_tmp:~0,2%
set mi=%time_tmp:~3,2%
set ss=%time_tmp:~6,2%
rem set sss=%time_tmp:~9,2%
rem set time_stamp=%yyyy%_%mm%_%dd%_%hh%%mi%%ss%
set time_stamp=%yyyy%-%mm%-%dd%-%hh%%mi%%ss%
set file_new_name=%time_stamp%_%file_name%

rem ----------------------------------------
rem ask user
rem ----------------------------------------
echo Change: "%file_path%%file_name%" 
echo     To: %file_new_name%
if "%noask%" == "0" (
 set /p ask=Continue? [y/n]
) else (
 set ask=y
)

if "%ask%" == "y" (
 rename "%file_path%%file_name%"  "%file_new_name%" 
 echo Filename is changed.
 pause
 exit
)

:usage
echo Usage: Auto rename "file" to "YYYY_MM_DD_HHMISS_file"
goto EOF

rem ========================================
rem Finish.
rem ========================================

:EOF
echo Bye.