StorageTek Host Software Component 6 User Manual

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Appendix A. Macros, Control Statements, Utilities, and Commands Syntax Reference   429
 
1st ed., 6/30/04 - 312579601
Appendix A.   Macros, Control Statements, Utilities, and 
Commands Syntax Reference 
Syntax Flow Diagrams
Syntax is illustrated using flow diagrams. These can include the following elements: 
• syntax – the diagram itself. 
• items – individual elements inside the diagram. Items can be keywords, variables, 
delimiters, operators, fragment references, and separators. 
• groups – a collection of items or other groups. 
The following sections describe syntax flow diagram features and include some generic 
examples. 
Specifying Commands 
Commands are composed of command names, keyword parameters, and positional 
parameters. Command names initiate command execution, keyword parameters are 
operands that contain keywords and their related values, and positional parameters are 
operands that are identified by their position in the command string rather than by 
keywords.
• Keyword parameters can be specified in any order. The HSC accepts (tolerates) 
multiple occurrences of a keyword. The value assigned to a keyword reflects the last 
occurrence of a keyword within a command.
• Positional parameters must be entered in the order shown in the syntax diagram. 
• Uppercase letters indicate the minimum abbreviation for the command name, 
keyword, or positional parameter. 
Variables 
Variables are italicized.
Delimiters 
If a comma (,), a semicolon (;), or other delimiter is shown with an element of the syntax 
diagram, it must be entered as part of the statement or command.