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REPLICAT.REV
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1995-01-23
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Replicator Revision History
01-23-95 ■ Version 1.20
. Added the option to allow Replicator to automatically detect
the disk type in the specified drive when copying a disk to
an image file. This option is on by default. Added a
corresponding option to the Settings, Defaults screen to allow
users to set the default setting for this field. (This option
is not allowed on systems operating under OS/2. Due to
conflicts in the disk detection routine, OS/2 does not
currently report the correct disk type, so this option is
simply disabled.)
. Added a "Total Records" indicator to the top of the Database
Management screen to inform users how many disk image records
are maintained in the database.
. Replaced the up and down arrow buttons with Next and Prev
buttons to make the database browsing process easier.
. Added a section to the bottom of the Database Management
screen to display the files located on the original disk.
. Added a conversion routine to convert databases from previous
versions of Replicator to the current version.
. Added new fields to the database that contain information
about the original disk that was copied using Replicator.
New fields include the disk's volume label, total files on
the disk, total bytes consumed, and total bytes free. Also
added a field to contain a list of all of the files that were
on the original disk. This field stores the file's name, size,
date, time, and the directory where it was located. (There
is room for approximately 300 file entries in this field,
depending on the length of the file's path when it is saved.)
. Added a date field to the database management screen to
display the date that a file was originally created with
Replicator.
. Added enhanced searching support to allow users to search
either 1.) a single index field for a string, 2.) an indexed
field for text starting and ending with a specific string, or
3.) an entire record for a specified string, with optional
case-sensitivity.
. Added printing support to print one or all records in the
database to LPT1, LPT2, LPT3, or a file.
. Moved the "Database Management" menu option to the main menu,
and moved the "Format A Diskette" menu option to the Utilities
sub-menu.
. Added a "Created" field to the Database Management screen to
indicate the date that the original disk image was created.
. Shortened the Filename field to 12 characters on the Database
Management screen, since this field cannot contain more than
12 characters.
. Removed a call from the Copy File To Disk routine that would
cause Replicator to attempt to close the image file if the
dynamic memory allocation failed. (The file had not been
opened at that point.)
. Rearranged the order of a few procedures within the Copy Disk
To File routines. The dynamically allocated disk buffer is
now allocated prior to creating the image file. In the event
that the dynamic allocation fails, the image file will not
be created at all. (Previously, a 0 byte file would exist if
the dynamic allocation failed.)
. Fixed a potential problem where the dynamically allocated
buffer in the "Copy Disk To File" routine was being unallocated
twice in the same routine. (After testing with hundreds of
disks, we did not see any problems arise as a result of this
deallocation. Users were unlikely to see this problem manifest
itself.)
01-05-95 ■ Version 1.14
. Fixed a serious problem that caused the database creation to
fail when Replicator was executed. (This problem occurred
because the default "NetworkType=" portion of the file
REPLICAT.INI was set to "NOVELL" instead of "NONET".) A
network call was being attempted due to this problem, causing
an error #8100 to occur. The database was not being initialized,
causing further problems in program execution.
. Added error checking to make sure that a network user cannot
attempt to open the database if another user has created
a ".SAV" file in the Replicator directory. (Doing so could
cause database corruption.)
. Added code to make Replicator remember the last size and
position of the browser screen within a session. Each time
the browser is initialized, it will be displayed in the same
position as it was when it was closed last.
. Added a custom exit procedure to be executed in the event
that a Runtime error occurs.
. Added support for the browser to automatically highlight
the current record in the database when it is initialized,
rather than highlight the first record in the database.
. Updated code with database library changes.
12-29-94 ■ Version 1.13
. Increased the number of columns in the browser window from
128 to 255.
. Fixed some appearance issues on monochrome monitors.
. Changed the "Search" button on the Copy File To Disk screen
to a "Browse" button. (Serves the same function as before;
only the text has changed.)
. Removed the "Original Location" field from the browser screen.
This will leave more space available for the description
lines. Increased the width of each description column from
25 to 30 characters.
. Fixed a problem where the ZIP file size was being displayed
after a disk image was successfully created, even if the
file had not been compressed by the user.
12-18-94 ■ Version 1.12
. Fixed a problem where the screen would be cleared when the
user pressed Escape in the middle of a compression or
decompression process. This caused the background to be
erased, and many display problems appeared. Removed the
statement that was clearing the screen after one of these
errors, and cleaned up associated routines.
. Fixed a problem where an error would occur after attempting
to format a diskette. The format progress screen was not
being erased and disposed of, causing an error to be displayed,
even though the disk had been formatted successfully.
. Corrected a minor problem where the completion line on the
status screen would not always be completely filled out to
the 100 percent mark when reading or writing a diskette.
. Fixed a minor problem where corruption could occur on the
Register Replicator screen if the user entered a registration
name longer than 30 characters. Also shortened the length
of the registration number field from 30 to 12 characters.
. Added a 25-record limit to the database facilities when
using an UNREGISTERED version of Replicator. This is
strictly added as a registration incentive. Registered
users should NOT be affected by this change!
. Added a prompt before the formatting disk procedure is
started.
. Fixed a problem where the F1=Help keypress was not working
on the database management screen.
12-10-94 ■ Version 1.11
. Added code to erase the original image file (.RIF file) if
the disk image was not successfully created.
. Removed unnecessary code for displaying the old style status
screens.
. Fixed a problem where Replicator was displaying "Track ??
of 79 total tracks" when reading or writing to a diskette,
when the total tracks value should have shown "80".
12-07-94 ■ Version 1.10
. Added a "Paths" button to the Database Maintenance screen to
allow users to globally change the "Location" field of each
record in the database to a new user-specified path.
. Added a Utilities menu option to the main menu, and placed
the Database Maintenance menu option on the Utilities sub-
menu. Added a Upgrade Program menu option to the Utilities
menu to allow users of version 1.00 through 1.02 to upgrade
their data files to the current version. (REPLICA.DAT needs
to be renamed to REPLICAT.DAT, (and so on) to conform to the
new naming convention.)
. Reworked the status display screens to display more information
and be more attractive in appearance.
. Removed an extra (redundant) error message box that was
displayed when a format process failed.
. Added fail-safe checks to warn the user if changes have
been made on the configuration or defaults screens if they
select Cancel or the close box. This prompts the user
whether or not changes that have been made should be saved.
. Fixed a problem where Replicator was not remembering the
disk drive type and letter after completing an operation.
. Added an option to format a diskette if Replicator detected
that it was not formatted. If the user decides not to format
the diskette, the process is terminated.
. Changed "Drive Type" wording on disk screens to "Disk Type"
since the value of this field should reflect the type of
disk in the disk drive, not necessarily the type of drive.
. Fixed a problem where the Format Diskette routine was
not properly detecting an unformatted diskette.
. Fixed a problem where Replicator was attempting to read
the default drive (typically A:) when getting drive
parameters. This could pose a problem when creating images
from the B: drive.
. Fixed a problem where memory was not being freed after
creating a diskette image. This could result in an "out of
memory" error message after creating a large number of diskette
images.
. Converted Replicator to a protected mode application. Only
systems with 80286 or higher processors can use Replicator.
This should reduce the memory related problems on most
systems.
. Changed the name of Replica to Replicator. Previous
name was found to conflict with a product from another
company.
12-03-94 ■ Version 1.02
. Updated context-sensitive help routines and values.
. Added a conversion routine to automatically convert data
files from version 1.00 and 1.01 to version 1.02. This is
necessary because of the date field that was added, as
described below.
. Added a date field to the database to store the date when
the disk image file was originally created. This date is not
displayed or accessed at this time. That feature will be
added to a future version.
. Disabled the display of "Swapping in..." and "Swapping out..."
messages from being displayed when the compression and/or
decompression processes are invoked.
. Fixed a problem where Replica could not find the image file
to recreate a diskette after a file had been decompressed.
This problem only occurred if image files were stored in a
directory other than the Replica program directory.
. Added an option to allow the user to delete a file from the
hard drive when an associated record is deleted from the
database. After deleting a database file, a prompt is
displayed to give the user the opportunity to delete the
file.
. Added a system to the Copy Disk To File screen that allows
Replica to remember the previous settings between disk
creations. This is useful when creating a series of disk
images for a particular program. This is the default. In
order to clear the settings, a "Clear" button was added.
When selected, this button restores the default values, and
sets all description fields to empty.
. Integrated the use of up and down arrow keys on all
dialog screens. This will allow users to use these keys
in place of Tab and Shift-Tab.
. Removed the use of overlays for Replica. Since error
messages such as "insufficient memory" continued to
occur from time to time during the compression process,
we created a separate file called REPZIP.EXE that contains
the compression and decompression routines. This executable
file is simply called when it is needed. This reduced the
size of REPLICA.EXE by about 45K. When REPZIP.EXE is
executed, Replica is swapped out to EMS, XMS, or disk, thus
leaving a large amount of free memory for the compression
process to occur. This should virtually eliminate all
"insufficient memory" error messages from occurring.
11-28-94 ■ Version 1.01 (Internal BETA Version, Not Released.)
. Added a message box that will be displayed when an image
has been created, to display the total size of the image
file and the compressed file (if a compressed file was
created). This will give the user an idea of the total
compression that was achieved on during the compression
process.
. Added a "Beep When Done" option to the Settings, Defaults
screen, and modified the code to beep when a disk image
has been copied to a file, or when a new disk has been
created from an image file.
. Added a "Defaults" screen to allow users to modify the
default values for the disk drive, drive type, disk image
path, and compression setting. When the Copy Disk To File
and Copy File To Disk screens are displayed, the default
values are used.
. Fixed a problem where a compressed (.ZIP) image file would
not be placed in the same directory as the original (.RIF)
image file. Instead, the compressed file would be placed in
the default Replica sub-directory. Now, the compressed file
will reside in the same directory as where the original image
file was created.
. Removed commands that allowed users to edit records directly
from the browser screen. Now, all maintenance should be
performed from the Database Maintenance screen.
. Added a new menu option specifically for the purpose of
database maintenance. This allows users to view and
edit existing entries, as well as create new ones. (Users
may want to create a new entry if they accidentally delete
an entry.)
. Changed the operation of the Search button. If the user
does not select a record, but presses Escape instead, the
browser will no longer put a blank entry in the "File To
Read" field. Instead, it will leave the existing entry
unchanged.
. Fixed a problem where the columns in the database browser
screen were not being truncated properly if descriptions or
paths were longer than the column display width.
. Added a warning message to alert the user if a file already
exists before attempting to recreate or overwrite it during
the Copy Disk To File process.
. Added a prompt before starting the copy process to remind
the user to enter a disk into the disk drive.
11-21-94 ■ Version 1.00
. Initial release of Replica.
