$length

$length

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$length

Returns the length of a character string.

Syntax

$length(string)

Parameters

stringa character string or an expression that evaluates to a character string

Return Value

Number.

Comments

If string is a complex arithmetic expression, then the result of $length(string) is always 17. Arithmetic expressions are evaluated using the data type vastint so that the largest possible number can always be handled. When converted to a string, a vastint value occupies 17 positions, regardless of its numeric value.

Example

$length("abcdefgh")

Evaluates to 8.

$length(5*3)

Evaluates to 17.

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