我写了一个批处理文件,执行以下操作:Windows批处理文件只保留最后30个文件
REM @ECHO OFF
rem %1 = coid
rem %2 = rpg location with ending/
rem get the path of this cmd script
SET SUBDIR=%~dp0
SET BKUPDIR=%SUBDIR%BACKUPS\
SET LOGFILE=%BKUPDIR%backup.log
ECHO ************************************************* >>%LOGFILE%
ECHO STARTING BACKUP FOR %1 AT %2 >>%LOGFILE%
FOR /f "skip=1" %%x in ('wmic os get localdatetime') DO IF NOT defined mydate SET mydate=%%x
SET filedate=%mydate:~0,14%
SET fullname=%BKUPDIR%%1_%FILEDATE%.ZIP
ECHO BKUPDIR: %BKUPDIR% >>%LOGFILE%
ECHO mydate: %mydate% >>%LOGFILE%
ECHO filedate: %filedate% >>%LOGFILE%
ECHO fullname: %fullname% >>%LOGFILE%
ECHO SUBDIR: %SUBDIR% >>%LOGFILE%
rem lets make sure the backup directory exists before starting
IF NOT EXIST %BKUPDIR% MD %BKUPDIR% >>%LOGFILE%
%SUBDIR%7z a -tzip %fullname% %2%1*.d
IF ERRORLEVEL 255 ECHO user_stopped_the_process >>%LOGFILE%
IF ERRORLEVEL 8 ECHO not_enough_memory >>%LOGFILE%
IF ERRORLEVEL 7 ECHO command_line_error >>%LOGFILE%
IF ERRORLEVEL 2 ECHO fatal_error >>%LOGFILE%
IF ERRORLEVEL 1 ECHO ok_warnings >>%LOGFILE%
IF ERRORLEVEL 0 GOTO END
IF EXIST %fullname% DEL %fullname%
:END
ECHO FINISHING BACKUP FOR %1 >>%LOGFILE%
ECHO ************************************************* >>%LOGFILE%
set mydate=
我保存文件为%1
和日期/时间文件的创建:
SSS_20130110133304.ZIP
SSS_20130110133336.ZIP
我在任务计划程序中运行这个任务,每晚运行一次。
我想避免在目录中有太多的zip文件,所以我想保留最后30个存在的zip文件。
我被困在这一点。我如何保留最新的30个压缩文件,这样我就不会因为压缩文件而导致压缩文件加载了?
+1做的工作99%/呈现一个清晰的问题。 –