Mastering SAP ABAP

Writing files to the application server

Working with a file on a local PC gives you many capabilities; however, it has important limitations. For example, files are only available to us and if we close the current transaction, data will be lost. This means we can't use this data in a job or later in another transaction. The solution for these two problems can be storing files on the application server. We can't use cl_gui_frontend_services for that because it works only with the frontend layer. For application server-based file operations, we have a special keyword, OPEN DATASET.

Let's check how exactly this works. Please create a new report, ZMSA_R_CHAPTER4_3, from Appendix A, Assessments report template and declare the following variables ...