FINFO Function

Returns the value of a file information item.

Category:	External Files
See:	FINFO Function: Windows in SAS Companion for Windows
	FINFO Function: UNIX in SAS Companion for UNIX Environments
	FINFO Function: z/OS in SAS Companion for z/OS

Syntax

FINFO(file-id,info-item)

Required 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 and access method.

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.

Example

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;