[文件操作] 批处理如何复制文件到文件夹，并以当天日期命名？

@echo off
rem 批处理保存为ansi编码格式
set "file=d:\1.txt"
set "folder=d:\新建文件夹"
set "DaysAgo=10"

for %%a in ("%file%") do (
	for /f "delims=" %%i in ('powershell -c "Get-Date -UFormat '%%Y-%%m-%%d'"') do (
		copy /y "%file%" "%folder%\%%~na_%%i%%~xa"
	)
	for /f "delims=" %%i in ('powershell -c "Get-Date (Get-Date).AddDays(-%DaysAgo%) -uformat "%%Y-%%m-%%d""') do (
		for /f "delims=" %%b in ('dir /b /a-d "%folder%\%%~na_*-*-*%%~xa"') do (
			if "%%~nb" leq "%%~na_%%i" (
				del "%folder%\%%b"
			)
		)
	)
)
pause
exit
参考资料
http://bbs.bathome.net/viewthread.php?tid=3328
http://www.bathome.net/viewthread.php?tid=3330
复制代码

$today=[datetime]::Now.Date
$targetPath='某路径'
dir -File *.txt|?{$_.LastWriteTime -lt $today}|%{copy $_ "$targetPath\$today.$($_.Extension)"}
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