Glossary

sentinel value

a special value that signals the end of data. In COBOL, HIGH-VALUES (x'FF...') and LOW-VALUES (x'00...') are natural sentinels.

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Intermediate COBOL — Chapter 10: Defensive Programming

Related Terms

"and" pattern "Batch Job Restart/Recovery Patterns" "Batch Processing Best Practices on z/OS" "Best Practices for COBOL Error Handling" "Checkpoint/Restart in Enterprise COBOL" "COBOL and DB2: Developing Applications on z/OS" "COBOL Copybook Parsing for Data Integration" "COBOL Sequential File Processing Patterns"

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