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1991-04-08
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MRBackup Professional
Copyright © 1990-1991 TTR Development, Inc.
This document contains late-breaking news regarding MRBackup Professional
changes and feature additions which occurred after the manual was printed.
Also included are general hints and tips for enhanced use of MRBackup
Professional.
To view the remainder of this document, use the PgUp/PgDn keys. Press the
'Q' key to quit.
Enhancements
------------
New features were added to MRBackup after the user manual was printed. They
are described in this section.
Keep/Suppress Empty Directories Option
You will notice a new button on the main window which is not described in
the user manual: Keep Empty Dirs. When this button is clicked, it toggles
to display "Suppress Empty Dirs". When Suppress Empty Dirs is active, all
empty directories or directories which contain no selected files will be
omitted from the backup. This is a sometimes-desirable option which must
be used with care.
To accompany this new feature, a new ARexx command has been added:
KeepEmptyDirs <yes_or_no>
This command will allow you to set this option from within your ARexx
scripts.
Tips
----
To enhance the performance of MRBackup Professional when doing AmigaDOS
compatible backups, increase the number of buffers available to your floppy
disk drives. Naturally, this will depend upon the amount of memory
available on your system. One buffer consumes approximately 512 bytes. As
a suggested value, try adding 100 buffers to each drive you intend to use.
To do this, use the AddBuffers command. Here is an example:
AddBuffers DF0: 100
When file compression is enabled, files are first compressed to a temporary
image in the directory defined by the logical name "T:". If T: is
assigned to your hard disk, compression will consume more time than when it
is assigned to memory. To reassign T: to memory (RAM disk), do the
following:
MakeDir RAM:T
Assign T: RAM:T
At the end of your backup, you are requested for the name of the file where
your catalog may be stored. Catalog files may be stored anywhere, but you
should choose a filename that is easy to remember and associate with each
particular backup. MRBackup suggests using the Backup Prefix with the
suffix ".cat" appended. In the event that you misplace your backup
catalog, all is not lost! Many of you are apparently unaware that MRBackup
provides a Rebuild Catalog command which will reconstruct a missing catalog
for you.