The answer to your firsts question is something like : 

#!/usr/bin/perl -w

use strict;

my @uptime = split ' ', `uptime`;

print "Server rebooted in last 24 hours" if ( $uptime[2] < 1 );

[download]
The answer to your second question is simply : 
 print "Server rebooted in last 24 hours"

[download]

/J\

In reply to Re: system commands by gellyfish
in thread system commands by Anonymous Monk

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