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Example of Open statement:
Illustration:
The OPEN INPUT TRANSACTION, OLD-MASTER OUTPUT NEW-MASTER.
The illustration represents that there are two input files named the TRANSACTION and OLD-MASTER and one output file known as the NEW-MASTER. All these files are opened and these are prepared for reading or writing.
OPEN INPUT MARK-FILE.
OPEN OUTPUT RESULT-FILE.
The first OPEN statement opens the MARK-FILE in the input mode and the file is ready for the reading. The later statement makes the RESULT-FILE ready for the writing. There may be numerous OPEN statements in a program.
Occurs Clause: Let us establish tables with the help of an illustration. Assume that there are ten different types of income-tax rates that are read from some input medium and
PROGRAM FOR PERFORM - VARYING: We have to write a program to elaborate PERFORM ...VARYING Identification division. Program- id. PerfVary. Environment division. Dat
MOVE CORRESPONDING: It is frequently required to move some of the data items of one group to some other data items in the other group. If the names of the equivalent data item
scope of marginal costing
RESERVE clause: This clause indicates the number of buffers to be used for the file. Integer-1 specifies this number. ORGANIZATION/ACCESS clause: These two clause
COBOL Words: The COBOL word can be formed by using the characters as shown below: 0-9 A-Z (a-z) - (hyphen) The rules below should be hold in forming the COBOL words.
PICTURE specification: The size of a group item is equivalent to the total of the sizes of all the subordinate elementary items. The group item class is alphanumeric. The i
B (Blank Insertion) : The occurrence of a B anyplace in the picture will insert a space character in the edited data. There can be more than one B in the picture. Examples:
How do I move a single QUOTE to a field or set the value clause? "''" does not work?
RULES OF RENAMES CLAUSE: The rules below should be observed while using the RENAMES clause: (i) All RENAMES entries should be written only after the last record descript
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