LEFTB

The LEFTB function outputs the first (left) N bytes specified by the Count property.

Input/Output

Number of Connections: Min: 1/Max:2

Input	Data Type	Description
Input1	Binary	The data.
Input2	Integer	Sets the Count property. (optional)

Output	Data Type	Description
Output1	Binary	The selected data.

Property

Name	Property Type	Description
Count	int	Specifies the number of bytes to output. Return the byte array with size 0, if Count is set to 0. Return whole data, if Count is bigger than the input data's length.

Topic

• A negative number entered in the Count property will result in an error. The mapper component that this function is in will abort and throw an exception.

How a Binary function handles byte conversions

The Binary Functions LEFTB, RIGHTB, MIDB, REPLACEB and TRUNCATEB handle input binary data as it is. If binary data cannot be successfully converted back to a string, an empty string is output.

Example

		Property		Output
Input1	0x82A082A282A4	Count	2	0x82A0