An advanced function that allows string substitutions and formatting of decimals using format strings as used by the C function printf.
<global>
| Name | Type | Description | 
|---|---|---|
| formatstring | string | The string specifying the format of the result. | 
| arg1 | any | The first argument to be inserted into the formatting string. | 
| arg2 | any | The second argument to be inserted into the formatting string. |