<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
<head>
</head>
<body bgcolor="#ffffff" text="#000000">
<font size="+1"><font face="Times New Roman, Times, serif">Hi<br>
Having opened several files and used the <i>set dfile</i> # command </font></font><font
size="+1"><font face="Times New Roman, Times, serif">to make them
active, </font></font><font size="+1"><font
face="Times New Roman, Times, serif">where # is the file descriptor,
am having difficulty in closing files again them? However I try to use
close file# I get an invalid file number error.<br>
Can anyone point out what I'm doing wrong.<br>
Cheers<br>
John Bacon<br>
</font></font>
</body>
</html>