Hitachi TrueCopy for z/OS user guide (December 2005)

178 TrueCopy for the XP128/XP1024/XP10000/XP12000
• An empty statement (see Table 46). The empty statement is a non-execution statement.
Script File Requirements
The following table lists the requirements for the components of a script file.
Table 46 Syntax description
Statement Name Description
Blank statement Space or Tab with a return
Comment statement One line beginning with //
Empty statement Return only
Execution statement Work variable statement (non-list type work variable = constant)
Macro statement Macro name [parameter list]
Refer to ”Operation Macro Commands” on page 180 and ”Internal Macro Commands”
on page 188 for macro information.
Table 47 Script components
Component Name Description
Macro name Either an internal macro or a functional macro.
Parameter list Parameter identification name (defined in each macro format) = non-list type expression.
Expression List, constant, and work variable.
List In a list description, a constant is enclosed in braces “{}”. A comma “,” is inserted between
constants. Example: {1, 2, 3, 4}, or {“ABC”, “qtw”}. Lists and work variables cannot be
described in a list.
Constant String or a numeric value.
String The string covers the following lists. Enclose a list with a double-quotation mark (“”). Letters
(uppercase and lowercase), numbers, symbols.
• Numeric list: List that consists of (0, 1, 2, 3, 4, 5, 6, 7, 8, 9)
• Hexadecimal number list: List that begins with 0x/0X of (A, B, C, D, E, F, a, b, c, d, e,
f)
Reserved variables Reserved variables can be referenced in a script only. Setting a value is not possible.
Table 48 Script file requirements
Item Requirement
Maximum length of one line of a script 320 bytes
Maximum number of items of one list type identification name 1,024
Maximum length of one item of a list type work variable string 16 bytes
Maximum length of one item of a non-list type string 150 bytes
Maximum number of items of macro trace storage 33,000
Maximum number of items of error trace 33,000
Maximum length of a script file 8 megabytes