util.go

package main

import (
	"fmt"
)

/* oracle nvl, return first non-empty string */
func nvls(xs ...string) string {
	for _, s := range xs {
		if s != "" {
			return s
		}
	}

	return ""
}

func vprintln(a ...interface{}) (int, error) {
	if VERBOSITY > 0 {
		return fmt.Println(a...)
	}

	return 0, nil
}

func vprintf(format string, a ...interface{}) (int, error) {
	if VERBOSITY > 0 {
		return fmt.Printf(format, a...)
	}

	return 0, nil
}