len
This function is used by Ignition's Expression language.
Description​
Returns the length of the argument, which may be a string or a dataset. If the argument is a string, it returns the number of characters in the string. If the argument is a dataset, it returns the number of rows in the dataset. Will return zero if the argument is null.
The len function can be used with lists, sets, and tuples.
Syntax​
len(value)
Parameters​
| Type | Parameter | Description |
|---|---|---|
| Object | value | The object whose length is being evaluated. |
Returns​
Integer - The length of the provided object (number of characters, rows, or elements depending on the type).
Examples​
Code Snippet
len("Hello World") //Returns 11.
Code Snippet
len({Root Container.Table.data}) //Returns the number of rows in the table.