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echo: os2prog
to: Jerry McBride
from: David Noon
date: 1995-01-17 23:36:00
subject: Rexx - Inkey$ ?

On Monday, 01-16-1995  Jerry McBride wrote to David Noon about "Rexx -
Inkey$ ?" as follows:

JM>  DN> Have you looked at the CHARIN() function? This should allow
JM>  DN> you to receive keyboard characters without waiting for the
JM>  DN> ENTER key to be pressed. (I presume that's what you want to
JM>  DN> do.)
JM> 
JM> Yes, that's what I want to do. However, the rexx 
JM> information file says that if charin is used to get 
JM> characters from the keyboard, that it will wait for 'enter' 
JM> to be pressed.

Hi Jerry,

Provided you specify a length of 1 byte, it will not 'block' until the
current input buffer is exhausted. As soon as a byte is received from
the keyboard your program will resume. Thus, each keypress will
activate your program.

Regards

Dave

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