package main

import (
	"fmt"
	"strings"
)

// RunHelp 帮助
func RunHelp(args ...string) error {
	fmt.Println(strings.TrimSpace(usage))
	return nil
}

const usage = `
Usage:  [[command] [arguments]]

The commands are:

    makebloom            Make bloom filter bitmap file
    hittest              Hittest text lines in bitmap
    info                 Show bitmap file info
    and                  AND operation between two bitmap files
    or                   OR operation between two bitmap files

"help" is the default command.

Use "bloomtool [command] -help" for more information about a command.
`