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COBOL Programming: Hello friends, Are there any special characters which are NOT allowed in a alphanumeric field in COBOL? I've searched  Validation for numeric fields, comp-3 fields char fields.



COBOL LESSON 120 - COMP-3 PACKED DECIMAL NUMERICS

Validating special characters in cobol

Validating special characters in cobol


So, any program must include provisions to over side reasonableness check to force acceptance of the data into the system. A range check is applied to code numbers to verify that they exist in the coding system use. Another common way to test for ranges of values is by defining various 88 levels - but exercise caution. Why do that when the 88 level tests could have done the job? A code existence check ensures that a particular code is valid. Finally, you can count the number of occurrences of a character, or string of characters, in a variable with the INSPECT verb as follows:

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Validating special characters in cobol

Validating special characters in cobol


So, any program must include provisions to over side reasonableness check to force acceptance of the data into the system. A range check is applied to code numbers to verify that they exist in the coding system use. Another common way to test for ranges of values is by defining various 88 levels - but exercise caution. Why do that when the 88 level tests could have done the job? A code existence check ensures that a particular code is valid. Finally, you can count the number of occurrences of a character, or string of characters, in a variable with the INSPECT verb as follows: Validating special characters in cobol

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Mainframe Practical Tutorial 6 - COBOL PGM

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