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Number   :  3497
Date     :  2003-01-09
Author   :  yodaslo
Subject  :  Re: Select files by Directory names
Size(KB) :  4


Kan,
What can I say? It's perfect!!

Thank you so very much for the input once again, and well explained 
answer, as always.

Rich

--- In xxcopy@yahoogroups.com, Kan Yabumoto  wrote:
> 
> As to the date testing feature (/DA, /DB, etc.), they apply to
> the timestamp of files, not directories, except for the /LTREE
> command which selects and displays directories (never files).
> Since nearly all XXCOPY commands are designed to work with
> files, not directories as the real object of the action,
> XXCOPY applies the date testing operation only on files
> (this is mostly for avoiding confusion --- else we need
> to have a full set of /DA/DB like switches that would work
> on directories only).
> 
> But, if you are talking about specifying the directory name
> which happens to be encoded with a date value, you can use
> the macro reference feature to do just that.
> 
> E.g., the string, /$yyyy-mm-dd$ will be converted to the
> current date (2003-01-08 for today).
> 
> ---------------------------------------------------------
> Note that even though the macro string starts with
> the slash, it can be used as the name of the source
> or destination directory specifier.
> 
> Normally, in XCOPY's command syntax, when an item
> starts with a slash is a switch. But with XXCOPY,
> a slash that is followed by a dollar sign ($) denotes
> the beginning of a macro reference and may be used
> anywhere for any purpose within the XXCOPY command line.
> 
> This (a bit awkward) syntactic rule is a result of
> the very tight character allocation. That is, since
> most characters are allowed for the filename (for LFN),
> there are only a very few characters that can be used
> to denote the beginning of the macro reference.
> ---------------------------------------------------------
> 
> For example, you may say
> 
> xxcopy /$yyy-mm-dd$.zip \dest\ /s
> 
> will be substituted to
> 
> xxcopy 2003-01-08.zip
> 
> Or, for Rich's examples,
> 
> xxcopy c:\backup\/$yyyy-mm-dd$-1201p\mybackup.zip
> 
> will be substituted to
> 
> xxcopy c:\backup\2003-01-08-1201p\mybackup.zip
> 
> Now, how can we choose a date macro other than today?
> You may use /TM+ and /TM- to adjust the
> macro value that is not today.
> 
> For example,
> 
> xxcopy c:\backup\/$yyyy-mm-dd$-1201p\mybackup.zip /tm-4
> 
> will give you the following line
> 
> xxcopy c:\backup\2003-01-04-1201p\mybackup.zip
> 
> For the /TM+ or /TM- parameters, the 
> can be specified in days, hours, minutes, or seconds
> by adding the D, H, M, or S suffix letter at the end
> (D is default and can be omitted).
> 
> In conclusion, the macro reference feature can be used
> to synthesize either directory name or file name which
> is tied to the current date/time (or with an offset
> value).
> 
> Kan Yabumoto
> ==========================================================
> 
> At 2003-01-08 21:37, you wrote:
> >Hello-
> >
> >Currently, I use some xxcopy batch programs that save files to a
> >directory which then renames using winzip to reflect todays date.
> >
> >example
> >2003-01-08-1201p
> >
> >Each day, the batch runs automatically, creating a new directory 
with
> >the current days date.
> >
> >I end up with :
> >2003-01-08-1201p
> >2003-01-09-1201p
> >2003-01-10-1201p
> >2003-01-11-1201p
> >etc
> >
> >After a period of time, I currently manually delete the older ones.
> >
> >I would like to automate this process now.
> >
> >I know xxcopy can distinguish dates using
> >/DA:2001-10-30 // on or after
> >/DB:2002-12-31 // on or before
> >or
> >/DA#10 // ten days ago or after
> >/DB#7 // seven days or before
> >
> >as seen on Kan's recent post.
> >
> >Is there a switch in xxcopy which would work similar on directory
> >names as it does on dates? This would allow a set of files not to 
be
> >backed up after __ number of days.
> >
> >Using the switches for dates does not appear to be working for me,
> >which could be the result of being copied nightly to another hard
> >drive, c/o xxcopy.
> >
> >Any suggestions?
> >
> >Rich



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