pcl_test

批处理中的变量延迟扩展、变量嵌套
http://www.bathome.net/viewthread.php?tid=2899

@echo off &setlocal enabledelayedexpansion
for /f "tokens=2 delims==" %%a in ('wmic path win32_operatingsystem get LocalDateTime /value') do set t=%%a
set now=%t:~2,10%

for %%i in (*.txt) do (
set b=%%~ti
set a=!b:~2,2!!b:~5,2!!b:~8,2!!b:~11,2!!b:~14,2!
echo !a!
)
pause
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