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FIXDBF.DOC
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1994-08-24
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1. Summary
FIXDBF.EXE is a Turbo Pascal program which allows the user to edit the header
record and field sub-records of a dBASE / FoxBASE+ / FoxPro type DBF file.
These functions are particularly intended for repair of damaged DBF files.
2. Execution
FixDBF v2.12 uses a command line interface to speficfy one or more files.
The command line parameters can be one of the following:
no parameter - enter interactive repair mode
<filename> - attempt to automatically repair the specified file
.DBF extension is required
* - attempt to automatically repair all DBF files in the
current dierctory
* -R - attempt to automatically repair all DBF files in the
current directory and recursively search and repair
all DBF files in all subdirectories
3. Common Problems
Typically, a trashed database is the result of a hardware or network failure
during a record update or append. In the case of an append, the database
will have more records in it than the header indicates. In the case of an
update, an incomplete header record may have been written or the database
type byte may be corrupted. Many times, the data may appear completely
correct and simply running the program and accepting the defaults may be
all that is needed. In some cases, a partial record may be left behind
from a crash - this case is handled by adding blanks to pad to the end of
a full record. Always take a backup and always work on a copy of the DBF
- a failing hard disk or network is likely to fail again!
4. License
User is entiteled to a trial evaluation license of this software. If you are
using FixDBF to repair damaged files which contain valuable data, the you
must register your software.
You may freely distribute unmodified copies. Author reserves copyright
to source code and decompilation is expressly prohibited.
5. Warranty
No warranties, express or implied, are given with this software. Author
assumes no risk for use of the program including loss or corruption of data.
Execution of the program implies consent of the user to these terms.
6. Revision history
02-26-93 Baseline product
03-01-93 Enhancement to file copy to increase speed
06-23-93 Addition of CDX flag editing
07-28-93 Handling of severe corruption of header
08-02-93 Full screen v1.5 / mouse interface
10-20-93 Renames initial file to temp and recovers as
initial file name
11-14-93 Include automatic mode and keyboard interface
05-09-94 Supports databases with up to 255 fields per record
08-16-94 Added * and -R options to fix all files and
subdirectory search. Added fix for files with
more than 32,768 records. Release v2.1
08-17-94 minor fix to interactive mode
08-24-94 split into two products:
FixDBF v2.12 command line mode only version
FixDBF v3.0 interactive and command line version
If you find this product useful and would like to become a registered user
(includes TP 7.0 source code, manual, and 1 year of updates), send $25 for
personal use or $45 for commercial use to:
MultiSoft
18 Valley Court
Branford, CT 06405
203/483-0397
CIS (71652,516)
- All comments / requests acknowledged! -