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LIST.DOC
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1992-03-25
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LIST
A File Viewing and Browsing Utility
Version 7.5 September 1990
Licensed Material. Unauthorized distribution is prohibited.
(c) Copyright Vernon D. Buerg 1983-90. All rights reserved
Excerpted material follows:
Note: This utility is used throughout this program to browse
or view various reports and Help screens. The commands
presented below are for your information should you
wish to go beyond the passive view or browse function
it performs.
Command key summary:
Cursor key Function
----------- -----------------------------------------------
left arrow scroll left 10 columns
right arrow scroll right 10 columns
up arrow up one (previous) line
down arrow down one (next) line
Enter continue to next page
END position to end of file (bottom)
ESCape Exit program unconditionally
HOME restart from first line (top)
PgUp scroll up one page, 23 lines
PgDn scroll down one page, 23 lines
F- function keys
Function key Function
------------ ---------------------------------------------------
F1 Displays the HELP screen
F3 Find NEXT occurrence of text after Scan or Find
F9 FInd the PREVIOUS occurrence of text
F10 Exit to DOS
è For changing display colors:
F2 Change background color for Find/Scan text
F4 Change foreground color for Find/Scan text
F5 Change background color for main body of display
F6 Change foreground color for main body of display
F7 Change background color for top and bottom lines
F8 Change foreground color for top and bottom lines
Letter keys:
The Letter key commands are mnemonic. That is, the letter in some
way, indicates what the command does.
Letter(s) Function
--------- -----------------------------------------------
A Find next occurrence of 'text' (Again)
B Skip to end of file (Bottom)
C Toggles Continuous scrolling
D Scroll Down one page
F Find 'text' regardless of case
G Get new filename/filespec (also Alt-F)
H Display the Help screen.
K Toggles keyboard key-ahead.
L Scroll LEFT 10 columns
M Toggles Monitor retrace testing to eliminate snow
N Down one (Next) line
P Toggles the printing of displayed lines.
Q Quits current file and displays next file, if any
R Scroll Right 10 columns. command, the 'R' command
S Scan for exact text match, case dependent
T Restart from first line (Top)
U Scroll Up one page (23 lines)è
W Toggles the Wrap option for displaying long lines
X Terminate, clear screen and eXit to DOS
Z Display the previous file.
7 Toggles the 7-bit filter
8 Toggles the 8-bit filter
* Toggles the star filter
+ Position a given number of lines forward
- Position a given number of lines backward
? Displays the Help screen
space Scrolls down one page
\text Find any case 'text' going forward
/text Scan exact case 'text' going forward
` or ^ Find any case 'text' going backward
' or v Find exact case 'text' going backward
Control- keys:
The Ctrl- key commands are entered by pressing the Ctrl key at the
same time as you press one of the following letter keys:
Control key Function
----------- ---------------------------------------------------
Ctrl-HOME Position to a specific line by number
Ctrl-PgDn Display next file
Ctrl-PgUp Display previous file
Ctrl-left Reset display to column 1, i.e. scroll full left
Ctrl-right Scroll full right (to the end of the current line)
Ctrl-A Scroll full left
Ctrl-C Display next page, scroll down
Ctrl-D Scroll right 10 columns
Ctrl-E Display previous line, scroll up 1 lineè
Ctrl-F Send a formfeed control character to the printer
Ctrl-H ** Hang up the telephone
Ctrl-N Display previous file
Ctrl-P Print the entire file
Ctrl-R Display previous page, scroll up
Ctrl-S Scroll left 10 columns
Ctrl-T ** Dial a telephone number
Ctrl-U Display previous file
Ctrl-V ** Switch display windows
Ctrl-W Display previous line, scroll up one line
Ctrl-Y ** Save current line number as bookmark line for Alt-Y
Ctrl-X Display next line, scroll down one line
Alt- keys:
The Alt- key commands are entered by pressing the Alt key at the
same time as you press one of the following letter keys:
Alt- letter Function
----------- ---------------------------------------------------
Alt-A Search for next occurrence of text, continue to next
file until found
Alt-B Mark bottom line of display
Alt-C Copy options and setting to LIST.COM
Alt-D Write marked lines, or found line, to a file
Alt-E Toggle 25 or 43/50 line display with EGA or VGA
Alt-F Enter additional filenames to display
Alt-G Goto DOS temporarily to enter DOS commands
Alt-I ** Insert a filespec from the screen display
Alt-H Toggle Hex display mode
Alt-J Toggle the "junk" filterè
Alt-L Toggle preloading of files
Alt-M Mark the line at the top of the display
Alt-N Toggle the Alt-X screen saving feature
Alt-O Write marked lines, or found line, to the same file
used by Alt-D
Alt-R Toggle the display of a ruler line on top line
Alt-S Toggle the file Sharing option
Alt-T Toggle the TAB control character filer
Alt-U Unmark lines marked by Alt-M and Alt-B
Alt-V ** Invoke the File Selection Menu
Alt-W Toggle split screen
Alt-X Exit to DOS and display the original screen
Alt-Y Reposition to the last "active" line (bookmark)
Alt-Z Toggles the command line in the bottom line. The
default is to display the cursor key usage. Using
Alt-Z changes the bottom line to show the option
switches "Toggles:" settings.
Configuring LIST
______________________________________________________________________________
Screen Colors
The screen's lines may be in one of three different colors:
o the 'special' color for the top status line and the
bottom command line
o the 'normal' color for the file's text windows
o the 'bright' color for lines with Find/Scan text,
and for the upside-down question mark in 7-bit mode
There is a pair of function keys assigned to each color. You use
these function keys at any time to change the background and
foreground colors temporarily, or use the Alt-C cloning command to
make the colors permanent. Alt-C requires that the LIST.COM program
file be on the current drive and in the current directory unless you
are using DOS version 3.3 or later. With DOS 3.3, the program file
may have any name and may reside in any subdirectory.
The border is not changed. The foreground color applies to the
color of the characters.
è You may clone a second set of text colors for the second, and any
other windows that you may create.
The color attributes may be changed by using these function keys:
For the main body of text:
F5 - background color
F6 - foreground color
For the top and bottom lines:
F7 - background color
F8 - foreground color
For the line with Find/Scan text:
F2 - background color
F4 - foreground
Once you have decided upon the colors, use the Alt-C key combination
to change the LIST.COM program file. This process is described
below.
Cloning
The screen colors, the display retrace testing (M), the file sharing
(S), ruler (Alt-R), and other options may be permanently set in the
program COM file by using the Alt-C cloning function.
For cloning to take effect, the program should be called LIST.COM
and on the current drive and in the current directory.
There are THREE versions of the LIST program file. One is the
normal full program, which is LISTR.COM. The other, which is called
LISTS.COM, is a slightly smaller file that excludes the Help screen.
The third is LIST PLUS, found as LIST.COM. You may use any of the
three COM files for cloning. After cloning, you may continue
viewing the file. Several of the command toggles are also
'clonable'.
The values and toggles that are cloned are:
M = Mono monitor, affects retrace testing. If you see
"snow" on your color monitor, turn off this option
Alt-S = file(s) are shared
W = Wrap long lines
8/7/* = display all 256 values, or 7-bit, or special case
K = flush Keyboard each time a command is read
è Alt-H = hex dump display, like the DEBUG format
Alt-J = toggle "junk" filter, add LF to CR, fix backspaces
Alt-L = set on to force preloading (reading) of the entire
file before any lines are displayed, Default is OFF.
Alt-N = toggles screen saving (see Alt-X) feature
Alt-R = toggle columnar ruler on top line
Alt-T = toggle expansion of TAB characters (also Ctrl-I)
Alt-V = number of filenames per line (up value) and sort method
F2 = change background color for Find/Scan text
F4 = change foreground color for Find/Scan text
F5 = change background color for main body of display
F6 = change foreground color for main body of display
F7 = change background color for top and bottom lines
F8 = change foreground color for top and bottom lines
Note: Be sure you have no other copies of LIST.COM which are
accessible (because of an APPEND type of utility). If you are
familiar with the DOS utility DEBUG, you may want to modify LIST in
that way. This is described in the next section.