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ABAP - Keyword Documentation →  ABAP - Quick Reference →  O

OPEN DATASET - Quick reference

Reference

Syntax

OPEN DATASET dset
  FOR { INPUT | OUTPUT | APPENDING | UPDATE }
  IN { { BINARY MODE }
     | { TEXT MODE ENCODING { DEFAULT
                            | {UTF-8 [SKIPPING|WITH BYTE-ORDER MARK]}
                            | NON-UNICODE }
                   [WITH {NATIVE|SMART|UNIX|WINDOWS} LINEFEED]  }
     | { LEGACY BINARY MODE [{BIG|LITTLE} ENDIAN]
                            [CODE PAGE cp] }
     | { LEGACY TEXT MODE [{BIG|LITTLE} ENDIAN]
                          [CODE PAGE cp]
                          [WITH {NATIVE|SMART|UNIX|WINDOWS} LINEFEED] } }
  [AT POSITION pos]
  [TYPE attr]
  [FILTER opcom]
  [MESSAGE msg]
  [IGNORING CONVERSION ERRORS]
  [REPLACEMENT CHARACTER rc].

Effect

Opens the file specified in dset on the application server.

Additions

• FOR { INPUT | OUTPUT | APPENDING | UPDATE }
  Opens the file for reading, writing, appending, or changing.
  
  
• IN [LEGACY] { BINARY | TEXT } MODE
  Opens the file in normal binary or text mode, or in legacy binary or text mode.
  
  
• ENCODING {DEFAULT|UTF-8|NON-UNICODE}
  Defines the character representation in which the content of the file is handled:
  
  DEFAULT - UTF-8 in Unicode systems; no conversion in non-Unicode systems.
  
  UTF-8 - UTF-8.
  
  NON-UNICODE - Code page in accordance with the non-Unicode text environment in Unicode systems; no conversion in non-Unicode systems.
  
  
• WITH {NATIVE|SMART|UNIX|WINDOWS} LINEFEED
  Defines the end-of-line selection for text files.
  
  
• SKIPPING|WITH BYTE-ORDER MARK
  Controls handling of byte order mark in UTF-8 text files.
  
  
• {BIG|LITTLE} ENDIAN
  Defines the byte order in which numeric data objects in the file are handled.
  
  
• CODE PAGE cp
  Specifies that character-like data objects in the file are handled in accordance with the code page specified in cp.
  
  
• AT POSITION pos
  Sets the file pointer to the position specified in pos.
  
  
• TYPE attr
  Either sets operating-system-specific parameters for the file or controls the end-of-line selection for a text file.
  
  
• FILTER opcom
  Passes a statement to the operating system.
  
  
• MESSAGE msg
  If an error occurs, returns the associated operating system message in msg.
  
  
• IGNORING CONVERSION ERRORS
  Suppresses an exception if a conversion error occurs.
  
  
• REPLACEMENT CHARACTER rc
  Specifies a replacement character for non-convertible characters in rc. If nothing is specified, "#" is used.