Crestron simpl plus language ref 사용자 설명서

Software Crestron 

®

z SIMPL+

FileOpen

SIGNED_INTEGER FileOpen (STRING filename, INTEGER flags) 

Opens a file.

FILENAME specifies the full path name or relative path name (link) of the file to 
open/create. 

FLAGS – File Open Flags. Can be combined using the Bitwise OR operator (|)

File handle if successful ( >= 0). Otherwise, file error code is returned. 

NOTE: One of the following flags must be specified: _O_RDONLY, _O_WRONLY, 
or _O_RDWR 

_O_TEXT

Unused

_O_BINARY

Unused

_O_APPEND

Writes done at the end of file. Mutually exclusive with 
_O_TRUNC

_O_CREAT

Creates file. If _O_APPEND is specified, the file will created 
only if it doesn't already exist.

_O_EXCL

Open succeeds only if file doesn't already exist

_O_TRUNC

Truncates file. Mutually exclusive with _O_APPEND

_O_RDONLY

Open file for reading only

_O_RDWR

Open file for both reading and writing

_O_WRONLY

Open file for writing only

NOTE: FileClose() must be called before the executing thread is terminated.  Failure 
to do so will result in the file being left open and locked by the control system.  Should 
this happen, the file will not be able to be opened again until the control system is 
rebooted.