Radio Shack TRS-80 model III Owner's Manual page 111

lilliifc
TRS-80
MODEL
III
DISK
SYSTEM
LINE INPUT
Input a Line from Keyboard
prompt
is
a prompting
message.
variable
is
the
name
that
will
be assigned
to the
line
you
type
in.
line input
(or
LiNEiNPUT—the
space
is
optional)
is
similar
to input, except:
•
The Computer
will not display
a question
mark when
waiting
for
your
operator's
input.
•
Each
line input statement can
assign a value
to just
one
variable.
•
Commas
and
quotes your
operator can
use
as part of
the string input.
•
Leading
blanks
are not ignored
—
they
become
part of
variable.
•
The
only
way
to
terminate
the
string input
is
to press
(ENTER).
line input
is
a convenient
way
to
input
string
data without having
to
worry
abou
t
accid
ental entry
of
delimiters
(commas,
quotation marks,
colons,
etc.).
The
CENTER)
key
serves
as the
only
delimiter.
If
you want anyone
to
be
able
to
input information
into
your program
without
special instructions,
use
the
line
input
statement.
Some
situations require
that
you
input
commas,
quotes and
leading blanks
as
part of
the data, line input
serves well
in
such
cases.
Examples
LINE INPUT
A$
Input a$ without
displaying
any prompt.
LINE INPUT "LAST NAME
,
FIRST NAME? H
5N$
Displays
a
prompt message and
inputs
data.
Commas
will
not terminate
the
input
string, as they
would
in
an
input statement.
Sample Program
200 REM CUSTOMER SURVEY
205 CLEAR 1000
207 PRINT
110