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Text File
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1990-03-23
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2KB
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56 lines
;
ECHO.COM
Size (recs) CRC Version Author/Latest Issue Disk
ECHO11.COM 1k (5) 5A71 1.1 Cameron Cotrill 9/87 Z3COM3
ECHO11.CIM 1k (5) D90B 1.1 Cameron Cotrill 9/87 Z3COM3
1- Syntax 2- Notes 3- Examples of Use
ECHO allows text entered at the command line to be typed to the screen
without the operating system acting on it. This is useful for displaying
messages from aliases and between commands of a multiple command line.
ECHO also provides a convenient way of sending escape sequences to the CRT
or printer. ECHO uses direct BIOS calls without any character translation, so
sequences for programming intelligent devices can be issued by running ECHO
and typing in those sequences.
:1
Syntax: ECHO text ...send <text> to console
ECHO $text ...send <text> to printer
Any characters are automatically capitalized when echoed since the command
input line editor capitalizes the command lines. If the first non-blank char
of the text is a "$", then ECHO sends its output to the LST: device.
:2
ECHO Notes:
a. Version 1.1 is the result of applying code from RCPECHO in z33 to
ECHO10, resulting in a type 3 transient echo that knows case.
:3
Examples of Use:
a. ECHO hello, world
- sends text "HELLO, WORLD" to console
b. ECHO Assembling;m80 =$1;^E
if input;echo Linking;l80 /P:100,$1,A:SYSLIB/S,$1/N,/E;fi
- a single multiple command line will print the informative messages
"ASSEMBLING" and "LINKING" during the respective commands
c. ECHO ^Z
- clears CRT screen (on terminal where ^Z clears the screen)
d. ECHO $^L
- form feeds printer (assuming printer responds to form feed char)