Tom
Wed Jul 09 22:53:32 PDT 2008
set /a yest=%somedate% -1 can't be done
i explictily wrote " %day% -1 where day is number -for example 06 not
the whole date in your case -- 09/07/2008 - 1 ????
in for loop you cant use delims=. if your date format is dd/mm/yyyy but
delims=/
also i don't understand what are yours modifications and why.i cant find
the logic explanation.
before scripting go google and learn the basics before you make your
script modifications.
DD wrote:
> Getting the error Divide by zero error.10 was unexpected at this time.
>
> The folder generated by the application is this format 20080709, will it be
> any issue.
>
> C:\Data\Batch>backup.bat
>
> C:\Data\Batch>FOR /F "tokens=1* delims= " %A IN ('DATE/T') DO IF "%B" == "" (
> SET
> Date=%A
> ) ELSE (SET Date=%B )
>
> C:\Data\Batch>IF "07/09/2008 " == "" (
> SET
> Date=Wed
> ) ELSE (SET Date=07/09/2008 )
>
> C:\Data\Batch>for /F "Tokens=1-4 Delims=. " %i in ('echo.07/09/2008 ') do
> set da
> y=%i
>
> C:\Data\Batch>set day=07/09/2008
>
> C:\Data\Batch>for /F "Tokens=1-4 Delims=. " %i in ('echo.07/09/2008 ') do
> set mo
> nth=%j
>
> C:\Data\Batch>set month=
>
> C:\Data\Batch>for /F "Tokens=1-4 Delims=. " %i in ('echo.07/09/2008 ') do
> set ye
> ar=%k
>
> C:\Data\Batch>set year=
>
> C:\Data\Batch>set dt=--07/09/2008 ***today date
>
> C:\Data\Batch>set /A yesterday=07/09/2008 - 1
> Divide by zero error.
> 10 was unexpected at this time.
> C:\Data\Batch>if LSS 10 set yesterday=0
> C:\Data\Batch>
>
>
> "Tom" <"znjicki[spam]" wrote:
>
>> FOR /F "tokens=1* delims= " %%A IN ('DATE/T') DO IF "%%B"=="" (SET
>> Date=%%A) ELSE (SET Date=%%B)
>> for /f "Tokens=1-4 Delims=. " %%i in ('echo.%date%') do set day=%%i
>> for /f "Tokens=1-4 Delims=. " %%i in ('echo.%date%') do set month=%%j
>> for /f "Tokens=1-4 Delims=. " %%i in ('echo.%date%') do set year=%%k
>>
>> set dt=%day%-%month%-%year% ***today date
>>
>> set /A yesterday=%day% - 1
>>
>> if %yesterday% LSS 10 set yesterday=0%yesterday%
>>
>> set yesterdate=%yesterday%-%month%-%year% *** yesterday date
>>
>> xcopy c:\Program Files\Logger\Channel1\%yesterdate% e:\data
>>
>> ----all this in some batch file and schedule it to run
>>
>> This is example but it doesnt include if it is a leap year or if it is
>> the first day of the month. To do that you must add sevaral different
>> subrutines..
>>
>> look at
http://www.robvanderwoude.com/datetiment.html#Yesterday
>>
>>
>> DD wrote:
>>> Soory, my question may be not clear in my first port.
>>>
>>> In windows, how to write a batch to copy yesterday's date folder to anothere
>>> directory.
>>>
>>> I see a lot of post in Unix but not sure how to do it in windows.
>>>
>>>
>>>
>>> "DD" wrote:
>>>
>>>> Everyday the program will generate the new folder using the ddmmyyyy format.
>>>>
>>>> I want to backup the folder with yesterday's data using the backup schedule
>>>> job.
>>>>
>>>> how to create the backup batch file.
>>>>
>>>> @echo off
>>>>
>>>> xcopy c:\Program Files\Logger\Channel 1\ddmmyy e:\data, how to make it so
>>>> that the batch job know it's yesterday date folder.
>>>>