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Cobol Reference Modification. This unique data item is considered an elementary data item without the JUSTIFIED clause. 000360 01 CAT-ABBREV PIC X 5. Moving a substring to another string. There is one thing which I dont understand about reference modification in Cobol.
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000360 01 CAT-ABBREV PIC X 5. So if we want to use reference modification for ww-grp1. This unique data item is considered an elementary data item without the JUSTIFIED clause. Length-1. The parameters given point the starting position of the sub string and the length of the sub string. This approach compensates for multiple leading or embedded delimiter characters.
Meaning if for example VARIABLE the 1st is filled with.
This approach compensates for multiple leading or embedded delimiter characters. MOVE Reference Modification or Substring Move. This approach compensates for multiple leading or embedded delimiter characters. This unique data item is considered an elementary data item without the JUSTIFIED clause. The example goes like this. This is same as SUBSTRING MOVE ie.
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ACUCOBOL-GT Reference Manual Version 60. COBOL Reference Modification With OF. Reference modification is used to. To perform Reference modification we have to provide 2 things-a Starting position of the source string from where the string needs to be copied. There is one thing which I dont understand about reference modification in Cobol.
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Syntax to use reference modification for a filed which exists in multiple groups. Meaning if for example VARIABLE the 1st is filled with. Reference modification allows you to move part of a sending field to part of a receiving field. The second example uses Reference Modification with a variable pointer to the byte to be accessed. Overview History.
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The parsing routine uses reference modification to identify the position of the first significant character after a delimiter character. Evaluate statement with also evaluate true also ws-gender also ws-age when ws-salary 1000 and 50000 also m also 25 thru 50 move 05 to ws-rate-of-int when ws-salary 1000 and 50000 also f also 25 thru 60 move 025 to ws-rate-of-int when other move 0 to ws-rate-of-int end-evaluate. The example goes like this. Move field1 14 to field2 54. To perform Reference modification we have to provide 2 things-a Starting position of the source string from where the string needs to be copied.
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COBOL IBM Z and LinuxONE - Languages View Only Home Blog entries 53. Move field1 14 to field2 54. This problem is detected by this COBOL systemThe second use of a reference modified item is potentially more dangerous as the reference modified item is a target field. Common Business-Oriented Language COBOL is a programming language similar to English that is widely used to develop business-oriented applications in the a. COBOL Reference Modification With OF.
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This is touched on in Visual COBOL - A Developers Guide To Modern COBOL a book from Micro. This is same as SUBSTRING MOVE ie. Reference modification creates a unique data item that is a subset of data-name-1 or a subset of the value referenced by function-name-1 and its arguments if any. The reference defines a temporary unique data item. 01 ww-grp1 03 name1 pic x10 03 sal pic 94 01 ww-grp2 03 name1 pic x10 03 sal pic 94 name1 exists in both groups.
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Aithmatic Verbs - Overview. Reference modification allows you to move part of a sending field to part of a receiving field. Syntax to use reference modification for a filed which exists in multiple groups. 01 ww-grp1 03 name1 pic x10 03 sal pic 94 01 ww-grp2 03 name1 pic x10 03 sal pic 94 name1 exists in both groups. COBOL Reference Modification With OF.
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MOVE Reference Modification or Substring Move. Reference modification creates a unique data item that is a subset of data-name-1 or a subset of the value referenced by function-name-1 and its arguments if any. This problem is detected by this COBOL systemThe second use of a reference modified item is potentially more dangerous as the reference modified item is a target field. In Micro Focus you cannot do direct compares on reference modified data items. 000350 01 DOG-TYPE PIC X 15 VALUE SCHNAUZER.
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Copy the part of a string to another string or variable. If you had an 8 character field1 that was 11111111 and an 8 character field2 that was 00000000 after the above command field2 would be. COBOL Reference Modification Working-Storage for Examples 1 2 and 3000340 01 CAT-TYPE PIC X 15 VALUE CALICO. Reference modification permits reference to a subfield of a data item. Reference modification may be used anywhere in the Procedure Division.
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523 Reference Modification Reference modification is a syntax for referencing a portion substring of a data item. COBOL Reference Modification With OF. Reference modification may be used anywhere in the Procedure Division. Data-name-1 leftmost-character-position-1. This is same as SUBSTRING MOVE ie.
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So if we want to use reference modification for ww-grp1. Copy the part of a string to another string or variable. Syntax to use reference modification for a filed which exists in multiple groups. COBOL Reference Modification With OF. 523 Reference Modification Reference modification is a syntax for referencing a portion substring of a data item.
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The parameters given point the starting position of the sub string and the length of the sub string. Copy the part of a string to another string or variable. Reference modification allows you to move part of a sending field to part of a receiving field. 000360 01 CAT-ABBREV PIC X 5. This problem is detected by this COBOL systemThe second use of a reference modified item is potentially more dangerous as the reference modified item is a target field.
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But Ive hit some differences between how Micro Focus COBOL and CA-Realia COBOL handle it. The example goes like this. Example of Running COBOL Program using JCL. So if we want to use reference modification for ww-grp1. In Micro Focus you cannot do direct compares on reference modified data items.
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Evaluate statement with also evaluate true also ws-gender also ws-age when ws-salary 1000 and 50000 also m also 25 thru 50 move 05 to ws-rate-of-int when ws-salary 1000 and 50000 also f also 25 thru 60 move 025 to ws-rate-of-int when other move 0 to ws-rate-of-int end-evaluate. Data-name-1 leftmost-character-position-1. If the subprogram references data past the 100 bytes it was given that is if the reference modification is out of bounds in the subprogram this is indistinguishable in the subprogram to any other case of reference modifications being out of bounds and we have the. This approach compensates for multiple leading or embedded delimiter characters. Ive used reference modification for some time now.
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Data-name-1 leftmost-character-position-1. Click on this link to view the code in the program that does the Cobol Reference Modification. Reference modification defines a data item by specifying a leftmost character and optional length for the data item. Does it mean that the first two signs 4 signs after the target are moved. So if we want to use reference modification for ww-grp1.
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The second example uses Reference Modification with a variable pointer to the byte to be accessed. This suite of programs will describe how to parse a data string using COBOL. But Ive hit some differences between how Micro Focus COBOL and CA-Realia COBOL handle it. This is touched on in Visual COBOL - A Developers Guide To Modern COBOL a book from Micro. Ive used reference modification for some time now.
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The first use of a reference modified item is a source field so results in incorrect data being passed into c. Using reference modification the programmer can get a sub string of character data. Data-name-1 leftmost-character-position-1. This problem is detected by this COBOL systemThe second use of a reference modified item is potentially more dangerous as the reference modified item is a target field. Reference modification may be used anywhere in the Procedure Division.
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This is touched on in Visual COBOL - A Developers Guide To Modern COBOL a book from Micro. Reference modification defines a data item by specifying a leftmost character and optional length for the data item. Reference modification allows you to move part of a sending field to part of a receiving field. 01 ww-grp1 03 name1 pic x10 03 sal pic 94 01 ww-grp2 03 name1 pic x10 03 sal pic 94 name1 exists in both groups. Overview History.
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This suite of programs will describe how to parse a data string using COBOL. Moving a substring to another string. 01 ww-grp1 03 name1 pic x10 03 sal pic 94 01 ww-grp2 03 name1 pic x10 03 sal pic 94 name1 exists in both groups. It may be used anywhere an identifier referencing an alphanumeric data item is allowed unless explicitly disallowed by the rules for a specific statement. 000360 01 CAT-ABBREV PIC X 5.
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