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Syntax Summary
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OPEN...INPUT
(see Chapter 8) Use OPEN file for input.
Syntax OPEN
[I/)stream-number
[,)
INPUT
filename
if,) LOCK
lock-type)
OPEN..OUTPUT
(see Chapter 8)
Use OPEN file for output.
(See
also OPEN...APPEND.(
Syntax OPEN
[I/)stream-number
[,)
[exist)
OUTPUT
fliename
if,) LOCK
lock-type)
where existis
NEW or OLD
OPEN...PRINT
(see Chapter 8)
Use
OPEN,.PRINT associates a given stream with
a
simple
printer device. Syntax OPEN
[I/)stream-number
[,)
PRINT
[printer-number)
where
print-number
is an
integer-expression,
giving a value in the range 0.5
OPEN..RANDOM
(see Chapter 13)
Use OPEN_RANDOM associates a given stream with a random or keyed tile. Syntax OPEN
[I/)stream-number
[,)
[exist)
RANDOM
random-spec
if,)
LOCK
lock-type)
where random-spec is filename
if,)
INDEX
filename)
if,)
LENGTH
record-length)
record-length is
an
integer-expression,
giving a value in the range 1.4096.
OPEN...WINDOW
(see Chapter 8)
Use OPEN_WINDOW associates a given stream with a given screen window.
Syntax OPEN
[I/)stream-number
[,)
WI
NDOW
window-number
where
window-numberis
an
integer-expression,
giving a value in the range 1.4.
OSERR
(see Chapter 16)
system
dependent” error.
Syntax
OSERR
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BASIC 2 Plus: User Guide & Quick Reference
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57
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