HP 3000 Manuals HP 3000 Manuals
The Interpreter
Typing the command BBXL in response to the operating system prompt will
run the interpreter. You can use options to specify a file from which
input will be read or a file to which output will be written or both.
You can also use a file which contains commands to be executed by the
interpreter, called a command file.
Syntax
BBXL [cfile[,ifile[,ofile[,xlfile]]]]
Parameters
cfile Command file which can contain both commands and program
lines. The command file cfile must be an ASCII file.
Its formal file name is BASCOM and its default
assignment is $STDINX.
ifile HP Business BASIC/XL program input file which contains
data for INPUT statements. The input file ifile must be
an ASCII file. Its formal file name is BASIN and its
default assignment is $STDINX.
ofile HP Business BASIC/XL program output file, that the PRINT
statement sends output to. The output file ofile must
be an ASCII file. Its formal file name is BASOUT and
its default assignment is $STDLIST.
xlfile The xlfile parameter specifies one or more executable
libraries to the interpreter. A single library may be
referenced by entering the fully qualified library file
name. Two or more libraries may be referenced by
enclosing the list of libraries in quotes, separating
each name with commas, semicolons, or spaces.
Examples
The first example below uses a command file called Command, and uses the
executable libraries Lib.Pub.Sys and Mylib in the log on group and
account. The second example specifies an input file (Infil) and an
output file (Outfil).
BBXL Command,,,"Lib.Pub.Sys,Mylib.!hpgroup.!hpacct"
BBXL ,Infil,Outfil
HP Business BASIC/XL can also be run as a program using the following
syntax:
RUN HPBBXL.PUB.SYS [;PARM=n]
The PARM option is used to specify two things to the interpreter:
1. How much space the interpreter should reserve for representing the
currently-executing subunit.
2. Which of the BASCOM, BASIN, or BASOUT files has been respecified
using a file equate. n specifies which of the parameters have
been redefined. The following are the values of n:
0 No redefinition of the files.
1 BASCOM has been redefined.
2 BASIN has been redefined.
3 BASCOM and BASIN have been redefined.
4 BASOUT has been redefined.
5 BASCOM and BASOUT have been redefined.
6 BASIN and BASOUT have been redefined.
7 BASCOM, BASIN, and BASOUT have been redefined.
To set both of these parameters on the same run of the interpreter, add
the two values together and use their sum as the PARM value.
Consider the following two files (HELLO and RUNHELLO) in the following
example:
The HELLO file contains the HP Business BASIC/XL program:
10 PRINT "HELLO"
The RUNHELLO file contains the commands:
GET HELLO
RUN
EXIT
You can run the HELLO program by typing in the following command in
response to the operating system prompt:
BBXL RUNHELLO
The commands in the RUNHELLO file are executed by HP Business BASIC/XL's
interpreter. In response to the RUN command, "HELLO" is printed on the
terminal's screen. Incorporating the command into a stream job has the
same effect.
Redirecting BASCOM, BASIN, and BASOUT is useful when running stream jobs.
Any of the file parameters can be specified by a local file equate
statement.
The HELLO program can be run by typing the following commands in response
to the operating system prompt or by including the commands in a stream
file, as illustrated below:
FILE BASCOM = RUNHELLO
RUN HPBBXL.PUB.SYS;PARM=1