SAS Component Language Dictionary

FOPTNAME

Returns the name of an item of information for a file

Category:

External File

Syntax
Details
Example
See Also

Syntax

item-name=FOPTNAME(file-id,item-num);

item-name

contains the name of the information item, or a blank if an error occurred.

Type: Character

file-id

contains the identifier that was assigned when the file was opened. If file-id is invalid, the program halts.

Type: Numeric

item-num

is the number of the information item.

Type: Numeric

Details

The number, value, and type of available information items depend on the operating system.

Example

Retrieve the system-dependent file information items and write them to the log:

length name $ 8;
rc=filename('myfile',fname);
fid=fopen('myfile');
infonum=foptnum(fid);
do j=1 to infonum;
  name=foptname(fid,j);
  value=finfo(fid,name);
  put 'File attribute' name 'has a value of' value;
end;
rc=fclose(fid);
rc=filename('myfile','');

The example produces the following output:

File attribute LRECL has a value of 256.