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my $connected;
for (my $tries = 1; $tries < 4; $tries++) { 
...
} 
return $connected ? $success : &error("couldn't connect to $clusterHos
+t : $xferError");

my $connected;
my $tries = 1;
...
      $connected = &xferOpen ('SESSION', $clusterHost,"compression", "
+yes", @sshPort);  
      $tries++; 
   } until $connected or $tries > 3;

eval (join '||', ('&xferOpen ("SESSION", $clusterHost,"compression", "
+yes", @sshPort)') x 3) || return &error("couldn't connect to $cluster
+Host : $xferError");
return $success;