Radio Shack TRS-80 Owner's Manual page 47

TRSDOS
l
L
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1»
BUILD
Create
an Automatic
Command
Input
File
build
file
file is
a
file
specification
which cannot
include
an extension.
This
command
lets
you
create
an automatic
command
input
file
which can be
executed via the
do command. The
file
must contain data
that
would normally
be typed in
from
the
keyboard
to
the
trsdos
ready mode.
build
files
are
intended
for
passing
command
lines to
trsdos
just as if
they'd
been typed
in
at
the
trsdos
ready
level.
Note:
clear cannot be used
in a
do
file.
When
you
enter the
build
command,
build
creates the
file
and immediately
prompts you
to
begin
inserting lines.
Each
time
you complete
a
line,
press
(ENTER)
.
(While
typing in a
line,
you can use
the
usual cursor control
keys
for
erasures
and corrections.)
To end
the
build
file,
simply press (BREAK)
at
the
beginning of
a line.
First
type:
BUILD
filename
You
will
then be
prompted
to
type
in
the
command
text.
You
then type in
up
to
63
characters,
then press (ENTER)
.
You
may
enter as
many
lines
as necessary.
Press (BREAK
)
to
quit
and return
to
trsdos
ready.
A
Sample BUILD-FIle
Here's
a hypothetical suiLD-file that
initializes
the serial
interface
and
the printer
driver:
SETCOH (BAUD=1200»WAIT)
FORMS (WIDTH=80)
PAUSE SERIAL
INTERFACE
&
PRINTER INITIALIZED
m?m
31