windows 批处理文件将超过 30 分钟的文件从一个文件夹复制到另一个文件夹
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batch file to copy files older than 30 minutes from one folder to another
提问by shashikant
How can I copy files which are older than 30 minutes from current time from one folder to another one?
如何将当前时间超过 30 分钟的文件从一个文件夹复制到另一个文件夹？
回答by mousio
There are several Windows ports for the *nix findcommand available, offering switches like -mminand -mtimethat would be useful here, allowing the problem to be solved with a one-liner…
Note that Powershell certainly is a viable alternative to achieve this goal.
有几个Windows端口* nix中find可用的命令，提供开关一样-mmin，并-mtime会在这里很有用，从而可以使问题有一个班轮...来解决
。注意，PowerShell的肯定是一个可行的替代方案，以实现这一目标。
In plain DOS, here is a rather limited batch script, but it suffices as a base to solve your problem:
在普通 DOS 中，这是一个相当有限的批处理脚本，但它足以作为解决您问题的基础：
@echo off
setlocal enabledelayedexpansion
call :GetRefTimestamp -30
for %%f in (*) do (
call :GetFileTimestamp "%%~tf"
if "!filetimestamp!" LSS "!reftimestamp!" echo -- %%f is older than 30 minutes
if NOT "!filetimestamp!" LSS "!reftimestamp!" echo ++ %%f is NOT older than 30 minutes
)
endlocal
goto :EOF
:GetRefTimestamp
::get current date/time
for /f "usebackq tokens=1-5 delims=/:, " %%f in (`echo %DATE:~-10% %TIME: =0%`) do set reftimestamp=%%h%%g%%fT%%i%%j
::apply delta (format [-]HHMM) on time part - not handling over/underflow
set /a timedelta=%~1
set timedeltasign=
if %timedelta% LSS 0 set timedeltasign=-
set timeHHMM=%timestamp:~-4%
set /a timeHHMM+=timedelta
set /a timeMM=timeHHMM %% 100
if %timeMM% GEQ 60 set /a timeHHMM+=%timedeltasign%40
set timeHHMM=000%timeHHMM%
set reftimestamp=%reftimestamp:~0,-4%%timeHHMM:~-4%
goto :EOF
:GetFileTimestamp
::get file date/time
for /f "usebackq tokens=1-5 delims=/:, " %%f in (`echo %~1`) do set filetimestamp=%%h%%g%%fT%%i%%j
goto :EOF
Just use common sense for the delta (knowing the limitations) and refrain from using leading zeroes :]
只需对 delta 使用常识（了解限制）并避免使用前导零：]
回答by npocmaka
The easiest way is to use robocopy (or forfiles)
最简单的方法是使用 robocopy（或 forfiles）
robocopy is part of win2003 rtk and is installed on vista and windows 7 by default -> http://www.microsoft.com/downloads/details.aspx?FamilyID=9d467a69-57ff-4ae7-96ee-b18c4790cffd&displaylang=en
robocopy 是 win2003 rtk 的一部分，默认安装在 vista 和 windows 7 上 -> http://www.microsoft.com/downloads/details.aspx?FamilyID=9d467a69-57ff-4ae7-96ee-b18c4790cffd&displaylang=en
FORFILES is part of Windows 2000/NT resource kit but works fine on XP/Vista/7 -> (I think it is not available on microsoft site anymore)
FORFILES 是 Windows 2000/NT 资源工具包的一部分，但在 XP/Vista/7 上运行良好 ->（我认为它不再在 microsoft 站点上可用）
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