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Vsam Files In Informatica Powercenter Rating: 3,7/5 4094votes

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Reading Vsam Files In CobolVsam Files In Cobol

Procedure division Your COBOL source file may already be in the COBOL file format, or it may be a COBOL copybook. A COBOL copybook contains only the names and datatypes that the COBOL file uses. Sometimes the copybook section is taken out of the COBOL file and saved as a separate file because of its length. Although the Designer can read COBOL source files, the Designer cannot read a COBOL copybook alone. If you import a copybook, the Designer cannot recognize the file as a COBOL file because the copybook lacks the proper COBOL format.

You can, however, insert the copybook into a template so that the Designer can recognize it as a COBOL file. COBOL File Format When you import a COBOL file, the Designer looks for a specific COBOL file format, which is different than the standard ANSI format. The Designer looks for the following file format in your COBOL source file: identification division. Environment division.

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Select file-1 assign to 'fname'. Data division. File section. * --------COPYBOOK GOES HERE------- procedure division.

COBOL Copybook In the example COBOL source file below, the copybook section is highlighted: Identification division. Environment division. Select cr3872-file assign to 'cr3872.dat'. Organization sequential. Data division. File section. Fd cr3872-file.

05 SPOUSE-CHILD. 10 SPOUSE-INFO. 15 SP-CHILD PIC X. 15 SPOUSE-NAME. 20 SPOUSE-FNAME PIC X(14). 20 SPOUSE-LNAME PIC X(20).

10 CHILD-INFO OCCURS 6 TIMES. 15 CHILD-NAME. 20 CHILD-FNAME PIC X(14). 20 CHILD-LNAME PIC X(20). Max Payne 3 Highly Compressed 10mb Downloads. 15 CHILD-RELATIONSHIP PIC X(15).

15 CHILD-BDATE PIC 9(6). 15 CHILD-AGE PIC 9(2). Working-storage section. 01junk PIC x(100). Procedure division.

The copybook section of a COBOL file can be very long. Sometimes the copybook section is taken out of the COBOL file and saved as a separate copybook file (.cpyor.txt file on PCs). You can save the copybook section of the above example as sample.cpy. The copybook sample.cpy looks like this: 00550001 EXPERT. 099500 05 SPOUSE-CHILD. 099600 10 SPOUSE-INFO. 099700 15 SP-CHILD 099800 PIC X.

099900 15 SPOUSE-NAME. 100000 20 SPOUSE-FNAME 100100 PIC X(14).

100400 20 SPOUSE-LNAME 100500 PIC X(20). 105600 10 CHILD-INFO OCCURS 6 TIMES. 105700 15 CHILD-NAME.

105800 20 CHILD-FNAME 105900 PIC X(14). 106100 20 CHILD-LNAME 106200 PIC X(20). 106300 15 CHILD-RELATIONSHIP 106400 PIC X(15). 106500 15 CHILD-BDATE PIC 9(6). 106700 15 CHILD-AGE PIC 9(2). Inserting the Copybook in a COBOL File Template To import a COBOL copybook in the Designer, you can insert it into a COBOL file template that has the standard COBOL file layout by using the COBOL statement 'copy'. After you insert the copybook file into the COBOL file template, you can save the COBOL file as a.cbl file and import it in the Designer.

Cbl file and the.cpy file are not in the same local directory, the Designer prompts for the location of the.cpy file. The COBOL file below shows how to use the copy statement to insert the sample copybook into the COBOL file: environment division. Select cr3872-file assign to 'cr3872.dat' organization sequential. Data division.