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1992-02-19
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DBV-DBF View, Version 1.10 19-Feb-92
Simple viewer for taking quick looks inside dBASE-compatible .DBF files in
record & browse modes. Does single-field, scan-across searches. File
header info, including field definitions, can be displayed either in
interpreted (human-readable) format, or as hex bytes. New: Select files
for viewing from a pop-up, scrollable directory window. Dates now display
as appropriate based on DOS's country-dependent info (e.g. dd-mm-yy for
Europe & yy-mm-dd for Japan).
Contents:
=========
Purpose
Display
Syntax
Switches
Commands
Purpose:
========
For taking quick looks into .DBF files without having to load a full-
featured database program.
DBV is a free program.
Display:
========
The program attempts to sense the type of display used and adjust color
appropriately. However, if the user has a color graphics card, but no color
monitor, the display may be improved by using the DOS command "MODE BW80".
Conversely, if you do have a color monitor, but the program displays in
"black and white", try using "MODE CO80".
Alternatively, two switches are available from the command line to force
black-and-white and color modes. See "Switches" below.
EGA/43- and VGA/50-line modes are supported. At program startup, an attempt
is made to detect the actual number of lines on the screen, up to a maximum
of 50, and to adjust the display accordingly.
Syntax:
=======
Usage: DBV [switches] [path]filespec [switches]
or
DBV [switches] path [switches]
Examples: DBV c: <- current directory of drive C:
DBV d:\ <- root of drive D:
DBV \dbase\data <- data subdirectory of \dbase
If no extension is specified for "filespec", ".DBF" is assumed. If a
filename is specified unambiguously, the database is immediately displayed.
Either specifying "filespec" using wildcards, or using the "path" (second
syntax) causes a scrollable directory window to pop up.
Switches:
=========
-b: force Black-and-white mode. Provided as an alternative to using
DOS's "MODE BW80" command.
-c: force Color mode. Provided as an alternatative to using DOS's
"MODE CO80" command.
-w: start program in Wide (browse) mode.
Either '/' or '-' may be used to specify switches.
Entering an invalid switch causes the program to display a brief help screen
then exit.
Examples: DBV /h
DBV -?
Commands:
=========
<F1>, or the letter 'I', will display overall information on the .DBF file.
<F2>, or the letter 'F', will display general information on each field.
After invoking either of the above two options, pressing <F3> will open a
window showing how the related data is represented on disk as hex bytes.
<F4> will toggle between Browse and Record modes.
<F5>, or the letter 'G', opens up an input window into which you can type
the (sequential) number of the record you wish to jump to.
<F7>, or the letter 'S', will allow a forward search for the input string.
This search is of the "scan-across" variety, i.e. the search will include
embedded strings.
<F10>, <Esc>, or the letter 'Q', will quit the program.
The <PgUp>, <PgDn>, <Home>, <End> and arrow-keys, possibly used in
conjunction with the <Ctrl> key, will hopefully have the intuitive effects.
When in Browse mode, either <Tab> or <Right-Arrow> will move right one field
at a time. <Shift-Tab> and <Left-Arrow> will have the opposite effect. The
<Ctrl> key, used in combination with the left- and right- arrow keys will
page left and right, respectively.
The letters 'P' (previous) and 'N' (next) are synonyms for the <PgUp> and
<PgDn> keys, respectively.
--
Raymond T. Kaya
P. O. Box 1436
Honolulu, HI 96806
CompuServe: 71230,2500
GEnie : R.KAYA1