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Number   :  4409
Date     :  2003-04-22
Author   :  Garry Deane
Subject  :  Re: Date Macro
Size(KB) :  1


--- In xxcopy@yahoogroups.com, "dcohn99"  wrote:
> Yan -
> 
> I need some help (or anyone that has a clue).
> 
> I am using the Data Macro to create directory names while
> copying files. It happens to be that the application we
> are copying files using the following format for the
> folder names.
> 
> 4-21-03 or 11-22-03 etc. The key issue here is the
> padded zeros that XXcopy performs.
> 


> This is because we also copy the directories that the system 
> creates. Those folders are in the format 4-2-03. Therefore
> if I have no way to remove those padded zeroes I end up
> getting duplicate files.
> 
> Any ideas on how to fix this issue. Renaming the directories
> is not a choice as all of this is automated and we cannot
> babysit the process.

As has been said elsewhere, this date format is pretty silly. However 
assuming you have no control over the application that produces those 
dates, you might be able to use xxcopy to calculate yesterday's date 
then massage the result to strip the leading zeroes.

You don't state which OS this runs under. If you are using NT/W2k/XP 
it is fairly straightforward to parse the output from a "non-action" 
Xxcopy command to get the date macro result, strip the leading zeroes 
from the day and month components then issue the actual Xxcopy 
command using these values. You would need a utility program to do 
the same thing in W9x/ME. Here's an example.

@echo off
setlocal
:: This next is all 1 line - it is better if c:\dummy does NOT exist
:: It gets the single line which has the expanded date macro
set "cmd=xxcopy c:\dummy\ f:\/$mm-dd-yy$\ 
/tm-1/L/ec^|find /i "/L/ec"^|find /v "$""
:: extract the values for mm, dd and yy
for /f "tokens=4-6 delims=\-" %%a in ('%cmd%') do (
set mm=%%a&set dd=%%b&set yy=%%c)
:: strip leading zeroes from mm & dd
set /a mm=1%mm%-100, dd=1%dd%-100
:: issue your xxcopy command (or whatever) using non-leading
:: zero values for mm and dd
echo yesterday was %mm%-%dd%-%yy%

Garry



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