Record Identification Entries

Record identification entries (positions 7 through 46) for a program described file describe the input record and its relationship to other records in the file.

• Positions 7-16 (File Name)
• Positions 16-18 (Logical Relationship)
• Positions 17-18 (Sequence)
  • Alphabetic Entries
  • Numeric Entries
• Position 19 (Number)
• Position 20 (Option)
• Positions 21-22 (Record Identifying Indicator, or **)
  • Indicators
  • Lookahead Fields
• Positions 23-46 (Record Identification Codes)
  • Positions 23-27, 31-35, and 39-43 (Position)
  • Positions 28, 36, and 44 (Not)
  • Positions 29, 37, and 45 (Code Part)
  • Character (C)
  • Zone (Z)
  • Digit (D)
  • Positions 30, 38, and 46 (Character)
  • AND Relationship
  • OR Relationship