批处理文件以递归方式删除超过N天的文件夹中的文件

Question

I'm using a batch file now to delete all files ending in .snp that are older than 180 days. The code below works to delete all files ending in .snp under the root folder

C:\\Program Files\\Snapshots

But I recently discovered that within the Snapshots folder there are folders organized by date

"1-10-2014, 12-20-2014, 10-15-2014 etc.."

and that the below line of code doesn't work to recursively search through each directory and is therefore not deleting.

What changes should I make to this code to have it recursively search through folders within a root folder and delete files that are greater than 180 days?

forfiles /M *.snp /P "C:\Program Files\Snapshots" /S /D -180 /C "cmd /c del /F /Q @path"

Answer 1

Without the /D (Date) it workes for sub-folders

forfiles /M *.txt /P "C:\hlpme" /S /C "cmd /c del /f /q @path

but you obviously want the date to be there then in CMD

forfiles /D -180 /M *.txt /P "C:\hlpme" /S /C "cmd /c del /f /q @path

The /D before the Pathname selects all files that have been changed more than 180 days ago

Answer 2

The best option for highest reliability is to combine the strengths of the For command with the FORFILES commands to allow each one to do what they do best.

Set str_Ext=*.snp
Set int_Age=-180
For /R "%~dp0" %%D IN (.) DO (
    For /F "usebackq tokens=*" %%F IN (`FORFILES /P "%%~D" /m %str_Ext% /D %int_Age% 2^>nul`) DO (
        Call :s_Del_File "%%~D" "%%~F"
    )
)
Goto :EOF
:s_Del_File
Set "str_DIR=%~1"
Set "str_FIL=%~2"
Set "str_DIR=%str_DIR:~0,-1%"
DEL /F/Q/A "%str_DIR%%str_FIL%"
Goto :EOF

Within the second FOR command, the backquote (~ key) contains the FORFILES command and uses the console output to call a batch subroutine to delete the specified file.

Spaces in folder and file names will not slow this beast down, and the double quotes ["] around the Set commands will allow the process to work with folders and files that have parentheses in them or other exotic, but allowable characters.