Returns the number of characters in a string field.

Function Traits: FieldComputationFunction, Transformation

ParameterTypeRequiredDefaultDescription
asstringoptional[a]_length Name of output field.
field[b]stringrequired  The name of the input field to length.

[a] Optional parameters use their default value unless explicitly set

[b] The argument name field can be omitted.

The parameter name for field can be omitted; the following forms are equivalent:

logscale
length("value")

and:

logscale
length(field="value")

length() Examples

The number of characters in the @rawstring field

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length(@rawstring)

The number of characters in the @rawstring field, putting it in the field rawLength

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length(@rawstring, as="rawLength")