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CLICBACK.ZIP
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ClicBack
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!ClicBack²
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!Restore
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Text File
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1995-09-28
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12KB
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274 lines
Please note that this application is NOT Public Domain, it is
CCCCC AAAA RRRRR EEEEEE WW WW AAAA RRRRR EEEEEE
CC AA AA RR RR EE WW WW AA AA RR RR EE
CC AA AA RR RR EE WW W WW AA AA RR RR EE
CC AAAAAA RRRRR EEEEE WW W WW AAAAAA RRRRR EEEEE
CC AA AA RR RR EE WWWWWWW AA AA RR RR EE
CC AA AA RR RR EE WWW WWW AA AA RR RR EE
CCCCC AA AA RR RR EEEEEE WW WW AA AA RR RR EEEEEE
It is NOT free software.
You may pass on copies of this Demonstration Copy to your friends
providing that it is distributed complete with this documentation file,
and with the copyright message intact.
!ClicBack
Hard Disk Backup Utilities
Version 2.8
© Steve Spry 1995.
!ClicBack Utilities are CAREWARE and NOT PUBLIC DOMAIN.
This means that 100% of the proceeds are given to charity.In the
case of these programs the charity is CLIC,The Cancer & Leukaemia
In Childhood Trust, registered charity number 802396.
If, after a period of two weeks, you find the program useful you are
required to register your copy of the programs for a fee of £10. This
payment will entitle you to the "Key" file which will remove the banner
file and put your name into the Info box. As a registered user you will
also be entitled to free technical support.
To register your copy of the programs please send a cheque or postal
orders made payable to Steve Spry and a blank formatted disk to:
Steve Spry
36 Moreton Avenue
Bideford
North Devon
EX39 3AY
If you could also inform me as to which version of RISCOS you
have, the amount of memory you have, the processor and the size of
your hard disk it would help me to develop the program further.
Background
~~~~~~~~~~
This program had been sitting on my hard disk for nearly three years
in a half finished state whilst I played around with data compression
techniques.
Following the death of my five year old son from a brain tumour in
January 1993 I decided to finish this program and donate the proceeds
to CLIC. As the program progressed more and more features were
added or changed. Even now there are things that I would like to
change but I could carry on for ever.
This program is dedicated to his memory and all those brave young
children fighting all forms of cancer.For there sake, if you like the
program, please register your copy of the program.
Further details about CLIC can be obtained from:
12-13 King Square,
Bristol,
BS2 8JH
Tel: 0117 9248844
Fax: 0117 9244505
Introduction
~~~~~~~~~~~~
The main features of the programs include :
• Full, Differential and Incremental backups.
• Selective option to preserve history integrity
• Backup to floppies or another hard disk.
• Backup only specified directories or files.
• Exclude any files or directories from the backup.
• Verify whilst backing up.
• Password protection for added security.
• 32 bit CRC
• Restore data to any directory.
• Powerful searching facility to locate Files / Directories or
Applications within backup data.
• Ability to restore whole directories or applications.
• Variable data compression.
• Estimate number of floppy disks required.
• Estimate time required to complete backup.
• Time taken so far.
• Save settings as configuration files.
• Customisation file.
• Acorn’s Interactive help supported.
Restore
~~~~~~~
!Restore is copied to the first disc in a full backup. If you are using a
Differential or Incremental backup then it is assumed that it will form
part of a full backup set and that a copy of !Restore would have been copied
to the first disc in the full backup set. This is done to save disc space
on Incremental or Differential backups.
Double clicking on the !Restore icon will load the application onto the iconbar.
Clicking on the icon will open the programs main window.
<Figure 6>
The File Source and Destination icons will contain the default paths
for the restore.These are obtained from a header within the BackData
file.The destination will be the same as the source for the original
backup.
If you wish to restore the data to a different directory or drive then
either drag the destination directory (or a file from that directory) into
the destination icon or press menu over the window and drag the save
icon from the destination submenu to your selected directory.
Main Window Menu
~~~~~~~~~~~~~~~~
The menu has the following options.
Info
Info will display information about your version of the program. The
Registered to field will show ***Unregistered *** or your name.
Source
The program expects to find the backup data file in the same
directory as the !Restore program. If the program can not find the
backup data an error will be displayed.
When the program starts it will read certain details about the backup
from the backup data such as source and destination.
Destination
This will bring up a standard save as box. Dragging the file icon to
the destination directory will insert the full path into the destination
icon.You can also select the destination directory by dropping the
selected directory onto the destination icon. This will also insert the full
path into the destination icon.If you drop a file onto the destination icon
the parent directory will be inserted into the icon.
Password
This menu option leads to a writable icon into which you will have
to enter the password if the backup is password protected. The
Password is also CASE SENSITIVE i.e. KEY is not the same password
as Key. If the backup has been password protected but you do not enter
a password before starting the restore the program will prompt you for
a password before the restoration of data starts, but has no means of
checking that the password is correct.
Clicking on OK will start the restore process. The program will
display the status window which is identical to !ClicBack's status
window.
!ClicBack now supports filenames of upto 56 characters in length as used
by Jason Tribbeck's !Longfiles. Because !Longfiles is basically an extension
of the operating system you will need to ensure that !Longfiles has been installed
prior to restoring your data.
History
1.00
Not so much of a hard disk backup program but a hard disk cleaner.
Managed to wipe every other file on a hard disk. If it wasn’t for a bug I
would have had the lot. sorry Buck!
2.01
A working Multi-tasking backup program which I was reluctant do
release into the world incase there where any bugs that I had not found
despite extensive testing.Finally plucked up the courage to release it
and was pleased by the stability of the program.
2.06
Fixed the minor bugs that have been reported and made some
improvements that have been suggested by users e.g. Pause, better
compression ratio etc.
2.50
Implemented the Difference Algorithm instead of using just the date
time stamp. Fixed a bug that prevented !ClicBack from formatting
high density disks (couldn’t test this on my old A3000). Added the
compression level to the options file. Sorted out !Restore to only close
the destination window. Fully tested on the RiscPC.
2.51
Fixed a bug that missed the last character off the filename when
using !Retrieve.
2.52
Added detection of native RISCOS format disks. !ClicBack will now
only accept D/E or F formatted disks.
2.53
Fixed a bug that prevented !Retrieve restoring any single file that
was split across two or more disks.
2.54
Removed “Unstamped” option as it has been made redundant since
the release of version 2.50. Also fixed a bug that would cause
!ClicBack to crash if there were no files to backup.
2.60
Removed all restrictions on the demonstration version of the
programs and decided to use a key file for registered users. (Thank you
David Holden). Included and Shift-Drag option for excluding files to
exclude all object with a given leafname. Finally tracked down the
problem with !Restore asking for a disk beyond the last disk in the
backup set.
2.70
Following several phone calls from David Holden I have changed a number
of things in this version and fixed a problem with ArcFS and SparkFS which
would cause !ClicBack to crash when ArcFS or SparkFS ran out of memory.
The problem was caused by the above two programs intercepting calls to
OS_GBPB and OS_File and changing the object type returned from these calls
from 3 (Image files) to 2 (directory). !ClicBack therefore thought that
it was recursing through a directory structure and wasn't expecting another
program to deny access to a file because it was out of memory. Anyway it's
fixed now. Also changed the following:
1. User interface - I think this gives a cleaner, less cluttered feel
to the program. I know the popup menus do not appear in quite the
right positions but I cannot find a way around in in Risc_OSLib.
2. Changed format of configuration files. These are now in a human-readable
format, the syntax of which can be found elsewhere in this manual.
3. Added a means for the user to specify which files not to compress. This
can make backing up data a lot quicker as the program no longer has to
work so hard in order to same a few k's compressing pre-compressed files.
4. Re-coded a large portion of the programs, saving quite a bit of space
and, hopefully making it a bit quicker.
5. !ClicBack now recognises image files and will back them up as a
single (sometimes large) file (DOS partition files).
6. Cleared the bug that would cause the program to sometimes crash when
you selected History. I still don't know why it did it but i've
recoded this and the problem (appears) to have vanished. The
text justification of the history file does appear a bit strange on
a RiscPC if you are using an outline font for the desktop.
2.71
Fixed a problem with the lists that would cause the program to crash if
the user selected all items and then selected remove.
Also changed the saving of options files to save the numerical filetype
and not the string filetype as this could cause problems if the textual
filetype was not know to the system when the options file was loaded.
Future Plans
I intend to make the restore program more visually based. i.e. show a
directory tree and allow you to point and click to specify the files to
restore. As usual the problem is time.
Improve the search facilities to incorporate fuzzy matching. i.e. a
search for directtory would find directory.
And the normal improvement ..... speed. I hope to double the
program speed of the backup eventually. The speed of restoration is
already pretty impressive for large files.
known bugs
None at the moment.... and as they say, it's not a bug it's just an undocumented
feature!!!!
Thanks To
Dominic Symes for THE text(?) editor !ZAP. If you haven’t got a
copy get one!
Martin Ebourne and Bryan Scattergood for the C/Assembler modes in !ZAP.
Acorn for there C Compiler (and computer).
Jonathan Marten for the inspiration to start this program. (UAP ?)
Chris Taylor for the suggestions on improving the program and encouragement
My wife for being a computer widow.
David Holden for persuading me to remove all restrictions on the program and
for his advice and suggestions regarding !ClicBack's operation.
And all registered users of the program.