Functions and CALL Routines

FINFO Function

Returns the value of a file information item.

Category:	External Files
See:	FINFO Function under Windows UNIX OpenVMS z/OS

Syntax
Arguments
Details
Comparisons
Examples
See Also

Syntax

FINFO(file-id,info-item)

Arguments

file-id: is a numeric constant, variable, or expression that specifies the identifier that was assigned when the file was opened, generally by the FOPEN function.
info-item: is a character constant, variable, or expression that specifies the name of the file information item to be retrieved.

Details

FINFO returns the value of a system-dependent information item for an external file. FINFO returns a blank if the value given for info-item is invalid.

Operating Environment Information: The information available on files depends on the operating environment. [cautionend]

Comparisons

The FOPTNAME function determines the names of the available file information items.
The FOPTNUM function determines the number of system-dependent information items that are available.

Examples

This example stores information items about an external file in a SAS data set:

data info;
   length infoname infoval $60;
   drop rc fid infonum i close;
   rc=filename('abc','physical-filename');
   fid=fopen('abc');
   infonum=foptnum(fid);
   do i=1 to infonum;
      infoname=foptname(fid,i);
      infoval=finfo(fid,infoname);
      output;
   end;
   close=fclose(fid);
run;