Lantronix SLC 8 Lantronix SLC - User Guide - Page 109
Definitions, Primary Commands, Secondary Command, Quoted String, Variable Reference, CLI Command
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8: Devices Secondary commands provide support for the primary commands and are generally not useful by themselves. For example, the expr command can be used to generate a value for a set command. set [expr 1 + 1] Control Flow commands allow conditional execution of other commands based on the results of the evaluation of a Boolean expression. Definitions Word: A contiguous group of characters delimited on either side by spaces. Not enclosed by double quotes. Primary Command: One of the primary commands listed in this section. Secondary Command: One of the secondary commands defined in this section. Quoted String: A group of characters enclosed by double quote (") characters. A quoted string may include any characters, including space characters. If a double quote character is to be included in a quoted string it must be preceded (escaped) by a backslash character ('\'). Variable Reference: A word (as defined above) preceded by a dollar sign character ('$'). CLI Command: A quoted string containing a valid CLI 'show' command. Arithmetic Operator: A single character representing a simple arithmetic operation. The character may be one of the following: A plus sign (+) representing addition A minus sign (-) representing subtraction An asterisk sign (-) representing multiplication A forward slash (/) representing division A percent sign (%) representing a modulus Boolean Expression: An expression which evaluates to TRUE or FALSE. A Boolean expression has the following syntax: Each can be either a word or a variable reference. Boolean Operator: A binary operator which expresses a comparison between two operands and evaluates to TRUE or FALSE. The following Boolean operators are valid: < less than > greater than = greater than or equal to == equal to != not equal to Primary Commands These are stand-alone commands which provide the primary functionality in a script. These commands may rely on one or more of the Secondary Commands to provide values for some SLC™ Console Manager User Guide 109