Visara Master Console Center Scripting Guide - Manual (Page 34)

Chapter 3 Script Syntax
Scripting Guide 34
General Script Syntax Information
General Syntax of a Script
The general structure of a script file is as follows:
// comments
// comments
PARMS var1, var2, ..., varN
statement
...
statement // comment
RETURN value
Structuring a Script
When writing scripts:
ƒ Any pre-defined MCC script item (for example, function, command, or
manifest constant) is a reserved keyword.
ƒ The script compiler is case insensitive except for string literals:
− $MyVariable is the same as $myvariable
− “IEF ERROR MSG” is different from “IEF Error msg”
ƒ Each part of a multi-part statement must be on a separate line. For
example, the following line is incorrect:
IF (%A < %B) %A := %B ENDIF
It must be split into three lines:
IF (%A < %B)
%A := %B
ENDIF
ƒ It is not required to assign return values from MCC functions or user
scripts to variables. If a return value is not assigned or is not used in
an expression, it simply disappears. However, ignoring return values
is not good programming.
ƒ Only one statement is allowed on each line (comments are not
considered statements).
ƒ The maximum number of characters per line is 2048.
ƒ The number of lines per script is unlimited.
ƒ The column starting position of each statement is optional. However,
we strongly recommend following a good program indenting standard
(for example, indenting steps, or IF logic).