如何在Unix中获取每月的第5天和第6天？

是否可以在Unix中获取每月的第5天和/或第6天？

我试过这个,但它没有给我想要的输出:

echo $((($(date +%-d)-1)/5))

dr01.. 5

用这个:

for month in {1..12}; do date -d "$month/5/2017" +"%c - is a %A"; done

输出:

Thu 05 Jan 2017 12:00:00 AM CET - is a Thursday
Sun 05 Feb 2017 12:00:00 AM CET - is a Sunday
Sun 05 Mar 2017 12:00:00 AM CET - is a Sunday
Wed 05 Apr 2017 12:00:00 AM CEST - is a Wednesday
Fri 05 May 2017 12:00:00 AM CEST - is a Friday
Mon 05 Jun 2017 12:00:00 AM CEST - is a Monday
Wed 05 Jul 2017 12:00:00 AM CEST - is a Wednesday
Sat 05 Aug 2017 12:00:00 AM CEST - is a Saturday
Tue 05 Sep 2017 12:00:00 AM CEST - is a Tuesday
Thu 05 Oct 2017 12:00:00 AM CEST - is a Thursday
Sun 05 Nov 2017 12:00:00 AM CET - is a Sunday
Tue 05 Dec 2017 12:00:00 AM CET - is a Tuesday

在本月6日,它以类似的方式完成.

用这个:

for month in {1..12}; do date -d "$month/5/2017" +"%c - is a %A"; done

输出:

Thu 05 Jan 2017 12:00:00 AM CET - is a Thursday
Sun 05 Feb 2017 12:00:00 AM CET - is a Sunday
Sun 05 Mar 2017 12:00:00 AM CET - is a Sunday
Wed 05 Apr 2017 12:00:00 AM CEST - is a Wednesday
Fri 05 May 2017 12:00:00 AM CEST - is a Friday
Mon 05 Jun 2017 12:00:00 AM CEST - is a Monday
Wed 05 Jul 2017 12:00:00 AM CEST - is a Wednesday
Sat 05 Aug 2017 12:00:00 AM CEST - is a Saturday
Tue 05 Sep 2017 12:00:00 AM CEST - is a Tuesday
Thu 05 Oct 2017 12:00:00 AM CEST - is a Thursday
Sun 05 Nov 2017 12:00:00 AM CET - is a Sunday
Tue 05 Dec 2017 12:00:00 AM CET - is a Tuesday

在本月6日,它以类似的方式完成.