#!/bin/bash
if [ "$1" == "" ]; then
   ssh $1@$0
else
   ssh $0
fi

##</code><code>##

$ ~/ssh/myhost.org radmat

##</code><code>##

#!/usr/bin/perl
if (!defined $ARGV[0] || $ARGV[0] eq '') { 
   exec('ssh',$0) 
}
else { 
   exec('ssh',"$ARGV[0]\@$0") 
}