Linksys SPA921 Cisco Small Business IP Telephony Devices Provisioning Guide - Page 46

Conditional Expressions, Creating Provisioning Scripts, Operator, Alternate, Syntax, Description

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Creating Provisioning Scripts Proprietary Plain-Text Configuration File 2 Conditional Expressions Conditional expressions can trigger resync events and select from alternative URLs for resync and upgrade operations. Conditional expressions consist of a list of comparisons, separated by the and operator. All comparisons must be satisfied for the condition to be true. Each comparison can relate one of three types of literals: • Integer values • Software or hardware version numbers • Doubled-quoted strings Note that version numbers take the form of three non-negative integers separated by periods (major, minor, and build numbers), plus an optional alphanumeric string in parentheses. No intervening spaces are allowed. The following are examples of valid version numbers: 1.0.31(b) 1.0.33 2.0.3(G) 2.0.3(0412s) 2.0.6 Quoted strings can be compared for equality or inequality. Integers and version numbers can also be compared arithmetically. The comparison operators can be expressed as symbols or as acronyms, as indicated in the table below. Acronyms are particularly convenient when expressing the condition in an XML-style profile. Operator Alternate Description Syntax = eq equal to != ne not equal to < lt less than

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Creating Provisioning Scripts
Proprietary Plain-Text Configuration File
Cisco Small Business IP Telephony Devices Provisioning Guide
44
2
Conditional Expressions
Conditional expressions can trigger resync events and select from alternative
URLs for resync and upgrade operations.
Conditional expressions consist of a list of comparisons, separated by the
and
operator. All comparisons must be satisfied for the condition to be true.
Each comparison can relate one of three types of literals:
•
Integer values
•
Software or hardware version numbers
•
Doubled-quoted strings
Note that version numbers take the form of three non-negative integers separated
by periods (major, minor, and build numbers), plus an optional alphanumeric string
in parentheses. No intervening spaces are allowed.
The following are examples of valid version numbers:
1.0.31(b)
1.0.33
2.0.3(G)
2.0.3(0412s)
2.0.6
Quoted strings can be compared for equality or inequality. Integers and version
numbers can also be compared arithmetically. The comparison operators can be
expressed as symbols or as acronyms, as indicated in the table below. Acronyms
are particularly convenient when expressing the condition in an XML-style profile.
Operator
Alternate
Syntax
Description
Applicable to
Integer and
Version
Operands
Applicable to
Quoted String
Operands
=
eq
equal to
Yes
Yes
!=
ne
not equal to
Yes
Yes
<
lt
less than
Yes
No
<=
le
less than or
equal to
Yes
No