Data Transformation Engine Design Studio Tutorial
Design Studio Tutorial 
237 
Chapter 13 - Mapping Multiple Files 
to One File 
This chapter defines how to map two input files into one output file. 
Objectives 
This chapter uses two input files to create one output file. 
By completing the exercises for Chapter 13, you will learn how to: 
♦  Map two input files (one header and one detail file) into one output file. 
♦  Use ellipses to shorten object names in component rules. 
♦  Use nested functional maps. 
Files Used in this Chapter 
You will be working in the c:\mercator\tutorial\MyFolder\Ch13 folder. Use 
the files provided in Ch13.zip. 
Files Provided for Chapter 13 
The following table describes the files provided for this chapter. 
Icon  File type  Name  Description 
Text file  Header.txt  Input data file containing header 
records. 
Text file  Detail.txt  Input data file containing detail 
records in sets by PO. 
Type tree  TwoFiles.mtt  Type tree describing both files of 
the input data (file of header 
records and file of detail records) 
and the output data (file of 
purchase orders). 










