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Number   :  3458
Date     :  2003-01-06
Author   :  Melissa Evans
Subject  :  Replace corrupt files in destination
Size(KB) :  1


Kan, I am reposting this with the hope that you will see it.

Date: Wed Dec 18, 2002 2:14 pm
Subject: Replace corrupt files in destination

Kan, We wish to request another switch, or two switches.

We are not able to find a combination of switches to do the
following:

Copy a file from the source if it is brand new or if it is newer;
copy a file from the source if it has the same name as a file in
the destination, and, if it is larger than the destination file,
copy it even if it is NOT newer.

S new -> D

S newer -> D older

S larger,newer -> D smaller,older

S larger,older -> D smaller,newer

In addition, we wish to specify a plus-or-minus tolerance, in
bytes, for HOW MUCH larger the file can be before it is copied
up.

Reasons:

When a data file fails to copy correctly from a local to the
server, it may leave a corrupt same-name file on the server with
the date and time of the copy process, not of the source file. We
want our scripts to replace the corrupt files automatically. The
switches /BU/BN do not send the correct file to the server if a
corrupt one is there. The switches /BU/BZL ignore newer data
files if they have the same names and sizes as older files on the
server.

Because of differences between operating systems, a file on the
local may differ from the same file on the server by as little as
one byte; the file on the server is not corrupt.

Thank you.

Melissa Evans
ASML Optics, LLC
Richmond CA



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