COBOL files are ASCII or EBCDIC fixed-width files that can contain text and/or binary data. You may have COBOL source code files, which describe the structure of the data, and COBOL data files, which contain the actual data. If your COBOL files come from a mainframe, they are in EBCDIC format. If your COBOL files come from a Windows machine, they are in ASCII format. The Designer can only import COBOL file definitions from source files that have a specific layout. Your COBOL source file may already have the proper COBOL file layout, or you may have a COBOL copybook, which contains only the fields and datatypes used in the COBOL file. The Designer cannot directly import COBOL copybooks (.cpy files) as sources.

After you import the source files, the Designer looks for COBOL records such as REDEFINES and OCCURS, and creates a target table for each record. This article includes a case study to illustrate how to import source definitions, create target tables, and make mappings with a COBOL source file that has both REDEFINES and OCCURS. This article also includes examples of COBOL file layout, target tables, and some basic COBOL terminology so you can work with your COBOL files effectively. Importing COBOL Source Files Your COBOL source code files may be on a mainframe or on a machine local to the Designer. If your COBOL source files are already on a local machine, you can import them in the Source Analyzer by selecting Source >Import COBOL files.

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When you have COBOL source code files on a mainframe, you need to FTP the files onto a local machine so the Designer can read the files as source definitions. Construction Project Management By Chitkara Pdf Converter. When you FTP COBOL source files from a mainframe, transfer it in ASCII mode so you won't see unreadable characters. Download Free Step Up To Medicine Errata Pdf File here. Check your FTP documentation to see how to transfer files in ASCII mode. When the Designer imports a COBOL source file, it looks for a specific COBOL file layout, which includes the identification division, environment division, data division, and procedure division. Your COBOL source file may already be a complete COBOL program with the proper COBOL layout, or it may be a COBOL copybook, which is the portion of a COBOL program that describes the structure of the data.