- $total = $hits + $invalid + $expired + $absent + $stub;
- $this->output( sprintf( "hits: %-10d %6.2f%%\n", $hits, $hits / $total * 100 ) );
- $this->output( sprintf( "invalid: %-10d %6.2f%%\n", $invalid, $invalid / $total * 100 ) );
- $this->output( sprintf( "expired: %-10d %6.2f%%\n", $expired, $expired / $total * 100 ) );
- $this->output( sprintf( "absent: %-10d %6.2f%%\n", $absent, $absent / $total * 100 ) );
- $this->output( sprintf( "stub threshold: %-10d %6.2f%%\n", $stub, $stub / $total * 100 ) );
- $this->output( sprintf( "total: %-10d %6.2f%%\n", $total, 100 ) );
+ $total = $hits + $expired + $absent + $stub;
+ if ( $total ) {
+ $this->output( sprintf( "hits: %-10d %6.2f%%\n", $hits, $hits / $total * 100 ) );
+ $this->output( sprintf( "expired: %-10d %6.2f%%\n", $expired, $expired / $total * 100 ) );
+ $this->output( sprintf( "absent: %-10d %6.2f%%\n", $absent, $absent / $total * 100 ) );
+ $this->output( sprintf( "stub threshold: %-10d %6.2f%%\n", $stub, $stub / $total * 100 ) );
+ $this->output( sprintf( "total: %-10d %6.2f%%\n", $total, 100 ) );
+ } else {
+ $this->output( "no statistics available\n" );
+ }