1##
 2ddgr hello
 3# not set -n, default 10 results per page
 4##
 5ddgr hello -n 0
 6# show actual results per page
 7##
 8ddgr hello -r us-en(default)
 9# region
10##
11# same as
12ddgr hello --reg us-en
13##
14ddgr hello --colorize=auto(default)/always/never
15show color or not
16##
17ddgr hello -C/--nocolor
18# same as
19ddgr hello --colorize=never
20##
21ddgr hello --colors COLORS(see man page for details)
22##
23ddgr hello -j/--ducky(implies --np(--noprompt))
24# open first result in a web browser
25##
26ddgr hello -t/--time SPAN
27# time limit search[d(1 day), w(1 week), m(1 month), y(1 year)]
28##
29ddgr hello -w/--site SITE
30# search in a SITE
31##
32ddgr hello -x/--expand
33# show complete url in search results