SAS Component Language Dictionary |
Category: | External File |
Syntax | |
Details | |
Example | |
See Also |
Syntax |
num-items=FOPTNUM(file-id); |
contains the number of information items that are available.
contains the identifier that was assigned when the file was opened. If file-id is invalid, the program halts.
Details |
The number, value, and type of available information items depend on the operating system.
Use FOPTNAME to determine the names of the items that are available for a particular operating system. Use FINFO to retrieve the value of a particular information item.
Example |
Open the external file that has the fileref MYFILE and determine how many system-dependent file information items are available:
fileid=fopen('myfile'); infonum=foptnum(myfile);
See Also |
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