Mastering SAP ABAP

Reading files from the application server

Reading files from the application server is very easy; even easier than writing a file. But to be sure that this example works, we first need to store something in the application server. Copy a report pattern from Appendix A, Assessments into the newly created ZMSA_R_CHAPTER4_4. We need an additional variable to store file content lt_data and lv_line to temporarily store each line of a file. The variable lv_file is used to store the filename:

   DATA: lv_file TYPE string VALUE 'testfile4_3.txt'.   DATA: lv_line TYPE string.   DATA: lt_data TYPE TABLE OF string.

The first statement is almost the same as in the last exercise; we just need to change direction from OUTPUT to INPUT:

OPEN DATASET lv_file FOR ...