Obtain the number of days since January 1, January 1, 1970

#! /Usr/bin/KSh # Author: xin23 # version: Beta 0.1 # Date: 2014-09-05get_days_from_1970 () {beginyear = 1970 endyear = $ (date + % Y) yearnum = $ ($ endyear-$ beginyear) lyearnum = $ ($ yearnum/4) rnum =$ {lyearnum %. *} daynumy = $ ($ yearnum * 365) daynumz = $ ($ daynumy + $ rnum) daynuma =$ ($ (date + % J) + $ daynumz) echo $ daynuma} get_days_from_1970

# This function is used to obtain the number of days since January 1 ,.

Run the following command:

[Aybq76: Root] #./1970.sh

16319

[Aybq76: Root] # date

Fri Sep 5 13:52:57 Beist 2014

[Aybq76: Root] #

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Obtain the number of days since January 1, January 1, 1970