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Scalar FunctionsLogging Functions

extract_log_template

Normalizes a string into a structural template by replacing variable tokens (numbers, UUIDs, IPs, hex values, quoted strings) with typed placeholders. Useful for grouping log messages by structure.

Syntax

extract_log_template(source)

Parameters

Prop

Type

Returns: string

Examples

Example 1

print extract_log_template("Warrior ragnar42 embarked from 10.0.0.1 to Lindisfarne")
print_0 (string)
Warrior ragnar<N> embarked from <IP> to Lindisfarne

iff

Evaluates the predicate and returns value_if_true or value_if_false.

log_template_hash

Computes a hash of the structural log template, for grouping similar logs without allocating the template string. Equivalent to hashing the output of extract_log_template, but with zero heap allocations.

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SyntaxParametersExamplesExample 1