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From: luscher@nicmad.UUCP
Newsgroups: net.micro.atari
Subject: 520ST LOGO -- problem with I/O
Message-ID: <447@nicmad.UUCP>
Date: Sun, 1-Dec-85 22:32:32 EST
Article-I.D.: nicmad.447
Posted: Sun Dec  1 22:32:32 1985
Date-Received: Tue, 3-Dec-85 08:38:56 EST
References: <8511252049.AA21737@ucbvax.berkeley.edu>
Reply-To: luscher@nicmad.UUCP (Jim {4thNIC} Luscher)
Organization: Nicolet Instrument Corp. Madison WI
Lines: 35

Keywords:LOGO

ref: ST LOGO question

	The manual "A Sourcebook for ATARI Logo" that comes with the
ST is rather sad.  I have been teaching myself Logo, an enjoyable language
very reminiscent of LISP, from this manual and LOTS of trial and error.
The manual has a number of typos which make the task of figuring out a
new (to me) language doubly difficult.

	I have reached a total block however with a command called
"READLIST (RL)" which is documented on page 45 as:

	Outputs a list that contains a line
	typed at the keyboard (input must be
	followed by a carriage return) or read
	from a data file.

	There are also two other commands which can alternatly access
a data file (READCHAR & READQUOTE) and one of then (READCHAR) is said
to be able to also access "a device"!

	The problem??  There is no indication on how to get the input
from a data file!!  As far as I can tell it always comes from the 
terminal.  I havn't been able to find any other commands which access
the disk as a file, except for the LOAD command which causes the named
file of procedures to be loaded and defined.

	The ability to read (and store!) data would make Logo a useful
language for doing some graphing I am interested in.

	Thanks in advance for any help you can give.

	
-- 
Jim Luscher / Nicolet Instruments / Oscilloscope Div.
5225 Verona Rd Bldg-2 / Madison Wi 53711 USA / 608/271-3333x2274