Cascade TextLogger: Version 4.0
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# empty

empty -- Specifies a place-holder string for empty data readings.

## Syntax

    (empty string)

## Arguments

`string`

  A character string.

## Description

The empty command lets you specify a string to be written whenever there is no data available for a point. This is a global value, applied to all logs.

## Example

        (empty "*")

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