From: Nick Murtagh (nick at domain nickmurtagh.com)
Date: Tue 23 May 2000 - 20:06:48 IST
On Sun, 21 May 2000, David O'Callaghan wrote:
> $num_users = `w -h | wc -l`;
> print "There are $num_users logged on to the system.";
>
> Although if there are users logged on multiple times it won't catch
> that and you could get the line count in a perl-ier way...
$num_users = `w -h | cut -f 1 -d ' ' | uniq | wc -l`;
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