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OPEN DATASET
Syntax
OPEN DATASET dset FOR access IN
mode [position]
[os_additions]
[error_handling].
Effect
This statement opens the file specified in dset for the access specified in access in a storage mode specified in mode. dset expects a character-like data object containing the physical name of the file. The file must not yet be open in the current program; otherwise a handleable exception is raised.
Use the additions positions,
os_addition,
and error_handling
to determine the position at which file is opened, specify platform-specific additions, and influence error handling.
Notes
Security Note
Access to a file whose name dset is injected into a program from outside is a serious security risk. Any names passed to a program from outside must be checked thoroughly before being used. See
Directory Traversal.
Return Value
sy-subrc | Meaning |
0 | The file was opened. |
8 | The operating system could not open the file. |
Handleable Exceptions
CX_SY_FILE_OPEN
CX_SY_CODEPAGE_CONVERTER_INIT
CX_SY_CONVERSION_CODEPAGE
CX_SY_FILE_AUTHORITY
CX_SY_PIPES_NOT_SUPPORTED
CX_SY_TOO_MANY_FILES
Non-Handleable Exceptions