HPlogo Command Interpreter Access and Variables Programmer's Guide: Series HP 3000 Computer Systems

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A

arithmetic operations, Performing Arithmetic Operations

C

CHR function, Evaluating Strings
CI command length, What Is the Command Interpreter?
CI definition, What Is the Command Interpreter?
CIOR, Command Input/Output Redirection (CIOR)
appending redirected command output, Appending Redirected Command Output
command exceptions, Redirecting Command Input
defaults, Command Input/Output Redirection (CIOR)
determining redirection, Determining Redirection: HPSTDIN and HPSTDLIST
escaping redirection, Escaping Redirection
examples, Redirecting Command Input and Output
file backreferencing, Redirecting I/O with a File Backreference
redirecting output to a device file, Redirecting Output to a Device File
redirection file defaults, Redirection File Defaults
redirection indicators, Redirecting Command Input and Output
wildcarding, Redirecting Command Input and Output
command files, How Programmers Use the CI, Creating a Command File
execution, Executing a Command File
options, Specifying Options for Command Files
parameters, Identifying Parameters
search pathway, Executing a Command File
search sequence, Executing a Command File
command history stack, Reissuing and Modifying Commands
Command Input/Output Redirection (CIOR), Command Input/Output Redirection (CIOR)
command interpreter -> CI
user-defined commands -> UDC
job control word -> JCW,
COMMAND intrinsic, Issuing Commands from an Application Program, Using Intrinsics to Execute CI Commands
commands
DELETEVAR, Deleting User-Defined Variables
DO, Reissuing and Modifying Commands
ECHO, Displaying Output to the Terminal
ELSE, Branching After Evaluation
ELSEIF, Branching After Evaluation
ENDIF, Branching After Evaluation
ENDWHILE, Creating Processing Loops
ESCAPE, Returning to Calling Environment
IF, Branching After Evaluation
INPUT, Prompting for Input
LISTREDO, Reissuing and Modifying Commands
PARM, Identifying Parameters
PRINT, Displaying Output to the Terminal
REDO, Reissuing and Modifying Commands
RETURN, Returning to Calling Environment
SETCATALOG, Creating a UDC File
SETVAR, Setting User-Defined Variables
SHOWVAR, Setting User-Defined Variables, Displaying Values
WHILE, Creating Processing Loops
comparison operators, Comparing Results
conditional branching, Branching After Evaluation
CSL function, Performing Bit Operations
CSR function, Performing Bit Operations

D

decimal representation, Converting Numbers
DELETEVAR command, Deleting User-Defined Variables
dereferencing
explicit, Explicit Dereferencing
expressions, Expression Substitution
implicit, Implicit Dereferencing
parameters, Identifying Parameters
recursive, Recursive Dereferencing
device file output, Redirecting Output to a File
DO command, Reissuing and Modifying Commands
DWNS function, Evaluating Strings

I

I/O redirection, Retrieving Input from a File, Redirecting Output to a File
idx CIOR
stacked redirection, Stacked I/O Redirection
idx command interpreter, Command Input/Output Redirection (CIOR)
idx end CIOR
stacked redirection, Stacked I/O Redirection
idx endCIOR
construction, Things to Remember about Redirection Constructions
determining redirection, Determining Redirection: HPSTDIN and HPSTDLIST
examples, Determining Redirection: HPSTDIN and HPSTDLIST
redirection file defaults, Redirection File Defaults
idx escaping CIOR redirection, Escaping Redirection
idx HPSTDIN, Determining Redirection: HPSTDIN and HPSTDLIST
idx HPSTDLIST, Determining Redirection: HPSTDIN and HPSTDLIST
idx mainCIOR
construction, Things to Remember about Redirection Constructions
idx spoolfile, Command Input/Output Redirection (CIOR)
idx wildcarding, Redirecting Command Input and Output
IF command, Branching After Evaluation
implicit dereferencing, Implicit Dereferencing
index variable, Creating Processing Loops
input
from a file, Retrieving Input from a File
interactive, Prompting for Input
parameter, Identifying Parameters
redirection, Retrieving Input from a File
INPUT command, Prompting for Input
integer algebra, Performing Arithmetic Operations
intrinsics
COMMAND, Issuing Commands from an Application Program, Using Intrinsics to Execute CI Commands
FINDJCW, Using Intrinsics to Retrieve Variables
GETJCW, Using Intrinsics to Retrieve Variables
HPCICOMMAND, Issuing Commands from an Application Program, Using Intrinsics to Execute CI Commands
HPCIDELETEVAR, Using Intrinsics to Set Variables
HPCIGETVAR, Using Intrinsics to Retrieve Variables
HPCIPUTVAR, Using Intrinsics to Set Variables
PUTJCW, Using Intrinsics to Set Variables
SETJCW, Using Intrinsics to Set Variables
item number pairs, Using Intrinsics to Set Variables, Using Intrinsics to Retrieve Variables

L

LEN function, Evaluating Strings
LIST option, Specifying UDC Options
LISTREDO command, Reissuing and Modifying Commands
logical operations, Performing Bit Operations
LOGON option, Specifying UDC Options
looping construct, Creating Processing Loops
LSL function, Performing Bit Operations
LSR function, Performing Bit Operations
LTRIM function, Evaluating Strings

N

nested IFs, Branching After Evaluation
NOBREAK option, Specifying UDC Options
NOHELP option, Specifying UDC Options
NOLIST option, Specifying UDC Options
NOLOGON option, Specifying UDC Options
NOPROGRAM option, Specifying UDC Options
NORECURSION option, Specifying UDC Options

R

RECURSION option, Specifying UDC Options
recursive dereferencing, Recursive Dereferencing
redirection specification
stripping from command line, Things to Remember about Redirection Constructions
redirection, command input and output, Command Input/Output Redirection (CIOR)
REDO command, Reissuing and Modifying Commands
repeat function
example, To Center a String
RETURN command, Returning to Calling Environment
RPT function, Evaluating Strings
RTRIM function, Evaluating Strings


Appendix B Evaluator Functions
  		 
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