Libraries > CT File Access > Function Blocks - File Directory Services

This function block opens a directory the entries (files and sub-directories) of which should be read with the help of the function block FILE.DirList. The return value is a handle. There may be restrictions concerning the specification of the directory name, e.g. only capital letters allowed, for different targets. The function FILE.GetProperty shows these restrictions.

Inputs:

xExecute

BOOL

sDirName

CAA FILENAME

Directory name:

No special characters,

Separator for sub-directories “/”,

Absolute or relative path specifications

Recommendation:

No empty spaces

Use capital letters

Outputs:

xDone	BOOL
xBusy	BOOL
xError	BOOL
eError	FILE.ERROR	Error ID 5104 - FILE.NOT_EXIST - Directory does not exist 5105 - FILE.EXIST: - Directory already exists
hDir	CAA.HANDLE	Handle of the directory

FILE.DirOpen

FILE.DirOpen