chnroute.txt file generator

Generate chnroute.txt file using shell.

Usage

Usage: ./chnroute.sh [-l] [-m merge.txt] [output.txt]
    -l: add local domain ip address
    -m: merge file from merge.txt
    -s: slient mode

    output.txt: chnroute output file, default is 'chnroute.txt'

Reference

Greate thanks to clowwindy's work https://github.com/shadowsocks/ChinaDNS/#about-chnroute