date 2 weeks ago

Local Test Cases: # there can be no spaces on either side of the equal sign, before the error has been out here yesterday= ' date-d last-day +%y-%m-%d ' echo $yesterday curday= ' Date +%y-%m-%d ' echo $curday echo "Now time: ' Date ' +%y%m%d%T '"

In the Linux environment to get a few days before the time just usedate-d "x days Ago" +%y%m%dX is replaced by a number, if it takes a few days before the direct write positive, if a few days after the date directly write negative numbers can

0 2 * * * find/tftpboot-maxdepth 1-mtime +14-name "*.img"-exec rm-rf {} \;Every 2 hours, go to search/tftpboot This level directory, the modification time is 14 days ago, suffix is img file, and delete them one by one;crontab command formatBasic

20.1 Shell Script IntroductionShell is a scripting language• Logic Judgments, loops, and other syntax can be used• Functions can be customizedShell is a collection of system commandsshell scripts enable automated operations, which can greatly

On the Sina Weibo homepage, you can see that the time displayed after each microblog is not in the standard year-month-day format, but the time difference after conversion, for example: published five minutes ago and two hours ago, similar functions

On the Sina Weibo homepage, you can see that the time displayed after each microblog is not in the standard year-month-day format, but the time difference after conversion, for example: posted 5 minutes ago and 2 hours ago, it looks more intuitive

Date of the Linux command I used-Display, modify system date TimeThis article link: http://codingstandards.iteye.com/blog/1157513 (reproduced please specify the source)Description of UseThe ATE command can be used to display and modify the system

Description of UseThe ATE command can be used to display and modify the system datetime, noting that it is not a time command.Common parametersFormat: DateDisplays the current date time.Format: Date mmddhhmmFormat: Date mmddhhmmyyyyFormat: Date

To implement similar functions, use JS as follows: I. javascript function implementation:Instance 1:Copy codeThe Code is as follows:// JavaScript Functions:Var minute = 1000*60;Var hour = minute * 60;Var day = hour * 24;Var halfamonth = day * 15;Var

1. calculate the maximum number of days of calendar month. getinstance (); time. clear (); time. set (calendar. year, year); // year is inttime. set (calendar. month, I-1); // note that the default January Calendar Object is 0 int day = time.