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connect.doc
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1992-05-06
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NAME: CONNECT
SYNTAX: CONNECT <portname> <command>
DESCRIPTION:
This command tells the display module where and how to send any
data received from the keyboard. After this command is executed,
all further data received will be sent to <portname> with the
command <command>.
EXAMPLES:
CONNECT 'ROBBS_ser' 'SEND'
The example will cause all keyboard data to be sent to a public
port called 'ROBBS_ser', using a 'SEND' command. Assuming the
data typed was "a", the actual string sent to 'ROBBS_ser' will
be "SEND a".
CONNECT ''
Effectively 'disconnects' the display module. keypresses will not
be sent until a 'CONNECT <portname> is received by the display
module.
NOTES:
It is important to note the difference between CTRL and CONNECT. CTRL
specifies where function key and HELP keypresses are sent, since they
are usually sent to a 'controlling program', as opposed to a program
that expects ASCII characters. CONNECT is for sending characters (with
a command) to a program that understands what to do with them.
Note that a program refers to either an ARexx script or an executable
written in any other language, and that the CTRL and CONNECT ports may
be the same port.
The data typed will be sent as a 'stream' as it is received,
so it will be sent as individual packets of arbitrary length.
If you want to parse it on a line basis (or any other basis),
your application will have to handle it by checking for a
linefeed or carriage return.
SEE ALSO: STATUS, CTRL