Documentation
name: Rust UIX Cli.
version: "0.1.1"
author: L(uix@ik.me)
about: Rust command line toolkits
args:
    - random_file:
        short: r
        long: random
        value_name: File size value
        help: Generate random file
        takes_value: true
    - account:
        short: acc
        long: account
        help: Generate account / password pair
        takes_value: false
    - redis_sync:
        long: rs
        help: Sync files from/to redis
        takes_value: true
        multiple: true
    - stress:
        short: s
        long: stress
        help: Stress test, prelocate memory 
        value_name: memory quota
        takes_value: true
    - mergelog:
        short: l
        long: mergelog
        value_name: file list
        multiple: true
        help: Sort and merge multiple log files into one
        takes_value: true
    - dirsize:
        long: dirsize
        value_name: directory
        help: Print out size of a directory
        takes_value: true
    - download: 
        short: d
        long: download
        value_name: Url, file name
        help: Download file from URL to local
        multiple: true
        takes_value: true
    - verbose:
        short: v
        multiple: true
        help: Sets the level of verbosity