Official | HULFT IoT EdgeStreaming Mapper Reference First Edition: July 1, 2021
Middle String

Logic name
Middle String
Function
This logic returns the specified number of bytes of string from the specified start location of the input string.
Data type
Location |
Type |
---|---|
First input handler |
String |
Logic output |
String |
Property
Category |
Property |
Description |
---|---|---|
Required |
Start position |
Specify the start position to be returned. The leftmost position is 1. |
Required |
Number of bytes |
Specify the number of bytes to be returned. |
Comment |
Comment |
It does not affect the conversion processing. |
Notes
Multi-byte characters are not supported.
Example of logic use
Mapping definition

Logic settings and processing result
This logic returns a 4-byte string from the sixth character of the input data.
Property settings
Property |
Setting Value |
---|---|
Start position |
6 |
Number of bytes |
4 |
Input data
SampleData |
Output data
Data |
Official | HULFT IoT EdgeStreaming Mapper Reference First Edition: July 1, 2021