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BROWSE.DOC
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1986-11-05
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3KB
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59 lines
HOW TO USE BROWSE.COM
BROWSE.COM lets you do what the DOS TYPE command doesn't:
move forward and backward within a display file, line by line
or screen by screen.
The author of this utility program is Charles Petzold, a
contributing editor of PC Magazine. The ASSEMBLY and BASIC
source codes to make BROWSE.COM appeared in the March 25, 1986,
Volume 5, Number 6 issue of PC Magazine.
BROWSE writes directly to the display, so it's fast, and it
uses the cursor keys to navigate within the file, line by
line, screen by screen, backward and forward, left and right.
BROWSE is easy to use. Just enter A>BROWSE filename
Since BROWSE requires DOS 2.0 or later, you can use a drive
and path specification before the filename.
When you invoke BROWSE, it save the current screen contents and
displays the first 25 lines of the file. To see the next 25
lines, press PGDN. To go backward 25 lines, press PGUP. To go
ahead or back one line at a time, use the Cursor Up and Cursor
Down keys. The Home keys brings you back to the top of the file.
The End key displays the last line of the file on the screen.
For lines longer than 80 columns, BROWSE does not word wrap the
rest of the line on the display but truncates the line at the
right of the display instead. If you want to see the rest of
the line, you scroll the display horizontally by pressing the
Cursor Right key. Each time you press the Cursor Right key the
display window moves eight characters to the right. The Cursor
Left key brings the display window back to normal.
To get out of BROWSE, simply press the ESC key or CTRL-BREAK.
Your previous screen will be restored, and you'll be back at
the DOS command level.
BROWSE has the following four error messages:
"Requires DOS 2.0 or above" will appear if you try to run the
program under DOS 1.1.
"Not enough memory." BROWSE requires about 33K to run.
"File not found." BROWSE could not find the file.
"Unsupported video mode." BROWSE writes directly to the screen,
so it prints this message if the screen happens to be in a
graphics mode.
To get the complete story, see the article, which starts on
page 253 of the above mentioned issue of PC Magazine.
To print this file, set the printer to the top of the page
and enter the following command:
A> copy BROWSE.DOC prn