- ruby: rework my coding style a bit for a compactness/efficiency.
- ruby: rework my coding style a bit for a compactness/efficiency.

devzero2000/RPM5,devzero2000/RPM5,devzero2000/RPM5,devzero2000/RPM5,devzero2000/RPM5,devzero2000/RPM5,devzero2000/RPM5