Windows 命令行脚本将文件夹重命名为当前月份 -3（例如 2009-04 到 2009-01）
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Windows Command Line Script to rename a folder to current month -3 (e.g. 2009-04 to 2009-01)
提问by Techboy
What would the Windows command line script be to rename a folder from the current month, to the current month - 3, using the format YYYY-MM ?
Windows 命令行脚本将使用格式 YYYY-MM 将文件夹从当前月份重命名为当前月份 - 3 是什么？
e.g.:
例如：
c:\myfiles\myFolder\
should become:
应该变成：
c:\myfiles09-01\
回答by Cheeso
For my locale, I need something different.
对于我的语言环境，我需要一些不同的东西。
Also you need to deal with single-digit months, I suppose.
我想你还需要处理个位数的月份。
setlocal
@REM example: Thu 06-11-2009
set stamp=%DATE%
@REM get the year
set year=%stamp:~10,4%
@REM example: 2009
@REM get the month
set month=%stamp:~4,2%
@REM example: 06
@REM subtract 3 months
set /a month=%month%-3
@REM example: 3
@REM test if negative (we rolled back beyond January 1st)
if %month% LSS 1 (
set /a month=%month%+12
@REM example: 8
set /a year=%year%-1
@REM example: 2008
)
@REM prepend with zero for single-digit month numbers
set month=0%month%
@REM take last 2 digits of THAT
set month=%month:~-2%
set newFolder=%year%-%month%
@REM move %1 %newFolder%
endlocal
回答by Joey
You will have to dissect the contents of %DATE%by yourself, unfortunately. There are no localization-safe date/time manipulation facilities in cmd.
%DATE%不幸的是，您将不得不自己剖析内容。cmd 中没有本地化安全的日期/时间操作工具。
For my locale (which uses standard ISO 8601 date format) I could just use the following:
对于我的语言环境（使用标准 ISO 8601 日期格式），我可以只使用以下内容：
@echo off
rem %DATE% comes back in ISO 8601 format here, that is, YYYY-MM-DD
set Y=%DATE:~0,4%
set /a M=%DATE:~5,2% - 3
if %M% LSS 1 (
set /a Y-=1
set /a M+=12
)
ren myFolder "%Y%-%M%"
However, depending on the date format you use it may look slightly different.
但是，根据您使用的日期格式，它可能看起来略有不同。
回答by Suvesh Pratapa
ren *-04 *-01
仁*-04 *-01
回答by Techboy
The version of the answered question for UK date format (DD-MM-YYYY) is:
英国日期格式 (DD-MM-YYYY) 的回答问题的版本是：
setlocal
@REM example: 11-06-2009
set stamp=%DATE%
@REM get the year
set year=%stamp:~6,4%
@REM example: 2009
@REM get the month
set month=%stamp:~3,2%
@REM example: 06
@REM subtract 3 months
set /a month=%month%-3
@REM example: 3
@REM test if negative (we rolled back beyond 1st January)
if %month% LSS 1 (
set /a month=%month%+12
@REM example: 8
set /a year=%year%-1
@REM example: 2008
)
@REM prepend with zero for single-digit month numbers
set month=0%month%
@REM take last 2 digits of THAT
set month=%month:~-2%
set newFolder=%year%-%month%
move c:\myfiles\myFolder\ %newFolder%
endlocal
