124
CHAPTER
6
Command
Reference
A space following data is not disregarded. Therefore, an error will be generated
if a space
is
in
serted after numerical data.
Example: DATA
1,
2~,
3,
4~
'-------'--These
spaces are
not
disregarded.
READ
Variable name
[,
[variable name] ] *
Function:
Reads the content
of
a DATA statement.
Parameter:
Variable name:
Explanation:
Numeric variable or character variable.
An array variable can be used.
®
1) Allocates data in the currently specified DATA statement sequentially
to
a
specified variable.
2)
Only numeric type data can be read for a numeric variable.
3)
Data in DATA statements are read sequentially with the smallest line number
first, and sequentially from the beginning in a statement.
4)
After the necessary data are read
by
a READ statement, the following data
are read
by
the
next
READ statement.
5) The first data in the program area where a READ statement exists
is
read by
the
first execution
of
this statement after which data in the program area at
that
time are read sequentially.
6)
The specification
of
data
to
be read can be changed
by
a RESTORE state-
ment.
7)
When the number
of
data in a DATA statement
is
smaller than the number
of
variables in a READ statement, an error (Error
4)
occurs.
8) When a space exists at the beginning
of
data, it
is
skipped.
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