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{"id":1935,"date":"2018-09-22T02:12:37","date_gmt":"2018-09-22T02:12:37","guid":{"rendered":"http:\/\/tech.memoecho.com\/?p=1935"},"modified":"2018-09-22T02:12:37","modified_gmt":"2018-09-22T02:12:37","slug":"linux-shell-use-date","status":"publish","type":"post","link":"http:\/\/tech.memoecho.com\/zh\/shell\/linux-shell-use-date\/","title":{"rendered":"linux\u5728shell\u4e2d\u65f6\u95f4 date\u4f7f\u7528\u65b9\u6cd5\u8be6\u89e3"},"content":{"rendered":"<!-- WP QUADS Content Ad Plugin v. 2.0.19 -->\n<div class=\"quads-location quads-ad2\" id=\"quads-ad2\" style=\"float:none;margin:0px;\">\n\n <!-- WP QUADS - Quick AdSense Reloaded v.2.0.19 Content AdSense async --> \n\n\n<script type=\"text\/javascript\" >\nvar quads_screen_width = document.body.clientWidth;\nif ( quads_screen_width >= 1140 ) {document.write('<ins class=\"adsbygoogle\" style=\"display:inline-block;width:336px;height:280px;\" data-ad-client=\"pub-8568501110011894\" data-ad-slot=\"4911828489\" ><\/ins>');\r\n            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[]).push({});\r\n            }\n<\/script>\n\n <!-- end WP QUADS --> \n\n\n<\/div>\n<p>\u83b7\u5f97\u5f53\u5929\u7684\u65e5\u671f<\/p>\n<p>date +%Y-%m-%d<\/p>\n<p>\u8f93\u51fa\uff1a 2011-07-28<\/p>\n<p>date1=$(date &#8211;date=&#8217;1 days ago +%Y%m%d&#8217;) #\u524d\u4e00\u5929\u7684\u65e5\u671f<\/p>\n<p>date1=$(date &#8211;date=&#8217;2 days ago +%Y%m%d&#8217;) #\u524dl\u4e24\u5929\u7684\u65e5\u671f<\/p>\n<p>\u5c06\u5f53\u524d\u65e5\u671f\u8d4b\u503c\u7ed9DATE\u53d8\u91cf<br \/>\nDATE=$(date +%Y%m%d)<\/p>\n<p>\u6709\u65f6\u5019\u6211\u4eec\u9700\u8981\u4f7f\u7528\u4eca\u5929\u4e4b\u524d\u6216\u8005\u5f80\u540e\u7684\u65e5\u671f\uff0c\u8fd9\u65f6\u53ef\u4ee5\u4f7f\u7528date\u7684 -d\u53c2\u6570<\/p>\n<p>\u83b7\u53d6\u660e\u5929\u7684\u65e5\u671f<\/p>\n<p>date -d next-day +%Y%m%d<\/p>\n<p>\u83b7\u53d6\u6628\u5929\u7684\u65e5\u671f<\/p>\n<p>date -d last-day +%Y%m%d<\/p>\n<p>\u83b7\u53d6\u4e0a\u4e2a\u6708\u7684\u5e74\u548c\u6708<\/p>\n<p>date -d last-month +%Y%m<\/p>\n<p>\u83b7\u53d6\u4e0b\u4e2a\u6708\u7684\u5e74\u548c\u6708<br \/>\ndate -d next-month +%Y%m<\/p>\n<p>\u83b7\u53d6\u660e\u5e74\u7684\u5e74\u4efd<br \/>\ndate -d next-year +%Y<\/p>\n<p>\u4e0b\u9762\u662f\u4e00\u4e9bdate\u53c2\u6570\u7684\u8bf4\u660e\u548c\u4e00\u4e9b\u4f8b\u5b50<\/p>\n<p>\u540d\u79f0 : date<br \/>\n\u4f7f\u7528\u6743\u9650 : \u6240\u6709\u4f7f\u7528\u8005<br \/>\n\u4f7f\u7528\u65b9\u5f0f : date [-u] [-d datestr] [-s datestr] [&#8211;utc] [&#8211;universal] [&#8211;date=datestr] [&#8211;set=datestr] [&#8211;help] [&#8211;version] [+FORMAT] [MMDDhhmm[[CC]YY][.ss]]<br \/>\n\u8bf4\u660e : date \u80fd\u7528\u6765\u663e\u793a\u6216\u8bbe\u5b9a\u7cfb\u7edf\u7684\u65e5\u671f\u548c\u65f6\u95f4\uff0c\u5728\u663e\u793a\u65b9\u9762\uff0c\u4f7f\u7528\u8005\u80fd\u8bbe\u5b9a\u6b32\u663e\u793a\u7684\u683c\u5f0f\uff0c\u683c\u5f0f\u8bbe\u5b9a\u4e3a\u4e00\u4e2a\u52a0\u53f7\u540e\u63a5\u6570\u4e2a\u6807\u8bb0\uff0c\u5176\u4e2d\u53ef\u7528\u7684\u6807\u8bb0\u5217\u8868\u5982\u4e0b :<br \/>\n\u65f6\u95f4\u65b9\u9762 :<br \/>\n% : \u5370\u51fa<br \/>\n% %n : \u4e0b\u4e00\u884c<br \/>\n%t : \u8df3\u683c<br \/>\n%H : \u5c0f\u65f6(00..23)<br \/>\n%I : \u5c0f\u65f6(01..12)<br \/>\n%k : \u5c0f\u65f6(0..23)<br \/>\n%l : \u5c0f\u65f6(1..12)<br \/>\n%M : \u5206\u949f(00..59)<br \/>\n%p : \u663e\u793a\u672c\u5730 AM \u6216 PM<br \/>\n%r : \u76f4\u63a5\u663e\u793a\u65f6\u95f4 (12 \u5c0f\u65f6\u5236\uff0c\u683c\u5f0f\u4e3a hh:mm:ss [AP]M)<br \/>\n%s : \u4ece 1970 \u5e74 1 \u6708 1 \u65e5 00:00:00 UTC \u5230\u76ee\u524d\u4e3a\u6b62\u7684\u79d2\u6570 %S : \u79d2(00..61)<br \/>\n%T : \u76f4\u63a5\u663e\u793a\u65f6\u95f4 (24 \u5c0f\u65f6\u5236)<br \/>\n%X : \u76f8\u5f53\u4e8e %H:%M:%S<br \/>\n%Z : \u663e\u793a\u65f6\u533a<br \/>\n\u65e5\u671f\u65b9\u9762 :<br \/>\n%a : \u661f\u671f\u51e0 (Sun..Sat)<br \/>\n%A : \u661f\u671f\u51e0 (Sunday..Saturday)<br \/>\n%b : \u6708\u4efd (Jan..Dec)<br \/>\n%B : \u6708\u4efd (January..December)<br \/>\n%c : \u76f4\u63a5\u663e\u793a\u65e5\u671f\u548c\u65f6\u95f4<br \/>\n%d : \u65e5 (01..31)<br \/>\n%D : \u76f4\u63a5\u663e\u793a\u65e5\u671f (mm\/dd\/yy)<br \/>\n%h : \u540c %b<br \/>\n%j : \u4e00\u5e74\u4e2d\u7684\u7b2c\u51e0\u5929 (001..366)<br \/>\n%m : \u6708\u4efd (01..12)<br \/>\n%U : \u4e00\u5e74\u4e2d\u7684\u7b2c\u51e0\u5468 (00..53) (\u4ee5 Sunday \u4e3a\u4e00\u5468\u7684\u7b2c\u4e00\u5929\u7684\u60c5\u5f62)<br \/>\n%w : \u4e00\u5468\u4e2d\u7684\u7b2c\u51e0\u5929 (0..6)<br \/>\n%W : \u4e00\u5e74\u4e2d\u7684\u7b2c\u51e0\u5468 (00..53) (\u4ee5 Monday \u4e3a\u4e00\u5468\u7684\u7b2c\u4e00\u5929\u7684\u60c5\u5f62)<br \/>\n%x : \u76f4\u63a5\u663e\u793a\u65e5\u671f (mm\/dd\/yy)<br \/>\n%y : \u5e74\u4efd\u7684\u6700\u540e\u4e24\u4f4d\u6570\u5b57 (00.99)<br \/>\n%Y : \u5b8c\u6574\u5e74\u4efd (0000..9999)<br \/>\n\u82e5\u662f\u4e0d\u4ee5\u52a0\u53f7\u4f5c\u4e3a\u5f00\u5934\uff0c\u5219\u8868\u793a\u8981\u8bbe\u5b9a\u65f6\u95f4\uff0c\u800c\u65f6\u95f4\u683c\u5f0f\u4e3a MMDDhhmm[[CC]YY][.ss]\uff0c<br \/>\n\u5176\u4e2d MM \u4e3a\u6708\u4efd\uff0c<br \/>\nDD \u4e3a\u65e5\uff0c<br \/>\nhh \u4e3a\u5c0f\u65f6\uff0c<br \/>\nmm \u4e3a\u5206\u949f\uff0c<br \/>\nCC \u4e3a\u5e74\u4efd\u524d\u4e24\u4f4d\u6570\u5b57\uff0c<br \/>\nYY \u4e3a\u5e74\u4efd\u540e\u4e24\u4f4d\u6570\u5b57\uff0c<br \/>\nss \u4e3a\u79d2\u6570<br \/>\n\u628a\u8ba1 :<br \/>\n-d datestr : \u663e\u793a datestr \u4e2d\u6240\u8bbe\u5b9a\u7684\u65f6\u95f4 (\u975e\u7cfb\u7edf\u65f6\u95f4)<br \/>\n&#8211;help : \u663e\u793a\u8f85\u52a9\u8baf\u606f<br \/>\n-s datestr : \u5c06\u7cfb\u7edf\u65f6\u95f4\u8bbe\u4e3a datestr \u4e2d\u6240\u8bbe\u5b9a\u7684\u65f6\u95f4<br \/>\n-u : \u663e\u793a\u76ee\u524d\u7684\u683c\u6797\u5a01\u6cbb\u65f6\u95f4<br \/>\n&#8211;version : \u663e\u793a\u7248\u672c\u7f16\u53f7<br \/>\n\u4f8b\u5b50 :<br \/>\n\u663e\u793a\u65f6\u95f4\u540e\u8df3\u884c\uff0c\u518d\u663e\u793a\u76ee\u524d\u65e5\u671f : date +%T%n%D<br \/>\n\u663e\u793a\u6708\u4efd\u548c\u65e5\u6570 : date +%B %d<br \/>\n\u663e\u793a\u65e5\u671f\u548c\u8bbe\u5b9a\u65f6\u95f4(12:34:56) : date &#8211;date 12:34:56<br \/>\n\u8bbe\u7f6e\u7cfb\u7edf\u5f53\u524d\u65f6\u95f4\uff0812:34:56\uff09\uff1adate &#8211;s 12:34:56<br \/>\n\u6ce8\u610f : \u5f53\u4f60\u4e0d\u5e0c\u671b\u51fa\u73b0\u65e0\u610f\u4e49\u7684 0 \u65f6(\u6bd4\u5982\u8bf4 1999\/03\/07)\uff0c\u5219\u80fd\u5728\u6807\u8bb0\u4e2d\u63d2\u5165 &#8211; \u7b26\u53f7\uff0c\u6bd4\u5982\u8bf4 date +%-H:%-M:%-S \u4f1a\u628a\u65f6\u5206\u79d2\u4e2d\u65e0\u610f\u4e49\u7684 0 \u7ed9\u53bb\u6389\uff0c\u50cf\u662f\u539f\u672c\u7684 08:09:04 \u4f1a\u53d8\u4e3a 8:9:4\u3002\u53e6\u5916\uff0c\u53ea\u6709\u53d6\u5f97\u6743\u9650\u8005(\u6bd4\u5982\u8bf4 root)\u624d\u80fd\u8bbe\u5b9a\u7cfb\u7edf\u65f6\u95f4\u3002 \u5f53\u4f60\u4ee5 root \u8eab\u5206\u66f4\u6539\u4e86\u7cfb\u7edf\u65f6\u95f4\u4e4b\u540e\uff0c\u8bf7\u8bb0\u5f97\u4ee5 clock -w \u6765\u5c06\u7cfb\u7edf\u65f6\u95f4\u5199\u5165 CMOS \u4e2d\uff0c\u8fd9\u6837\u4e0b\u6b21\u91cd\u65b0\u5f00\u673a\u65f6\u7cfb\u7edf\u65f6\u95f4\u624d\u4f1a\u6301\u7eed\u62b1\u6301\u6700\u65b0\u7684\u6b63\u786e\u503c\u3002<br \/>\nntp\u65f6\u95f4\u540c\u6b65<br \/>\nlinux\u7cfb\u7edf\u4e0b\u9ed8\u8ba4\u5b89\u88c5\u4e86ntp\u670d\u52a1\uff0c\u624b\u52a8\u8fdb\u884cntp\u540c\u6b65\u5982\u4e0b<br \/>\nntpdate ntp1.nl.net<br \/>\n\u5f53\u7136\uff0c\u4e5f\u80fd\u6307\u5b9a\u5176\u4ed6\u7684ntp\u670d\u52a1\u5668<br \/>\n&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;-<br \/>\n\u6269\u5c55\u529f\u80fd<br \/>\ndate \u5de5\u5177\u53ef\u4ee5\u5b8c\u6210\u66f4\u591a\u7684\u5de5\u4f5c\uff0c\u4e0d\u4ec5\u4ec5\u53ea\u662f\u6253\u5370\u51fa\u5f53\u524d\u7684\u7cfb\u7edf\u65e5\u671f\u3002\u60a8\u53ef\u4ee5\u4f7f\u7528\u5b83\u6765\u5f97\u5230\u7ed9\u5b9a\u7684\u65e5\u671f\u7a76\u7adf\u662f\u661f\u671f\u51e0\uff0c\u5e76\u5f97\u5230\u76f8\u5bf9\u4e8e\u5f53\u524d\u65e5\u671f\u7684\u76f8\u5bf9\u65e5\u671f\u3002\u4e86\u89e3\u67d0\u4e00\u5929\u662f\u661f\u671f\u51e0<br \/>\nGNU \u5bf9 date \u547d\u4ee4\u7684\u53e6\u4e00\u4e2a\u6269\u5c55\u662f -d \u9009\u9879\uff0c\u5f53\u60a8\u7684\u684c\u4e0a\u6ca1\u6709\u65e5\u5386\u8868\u65f6\uff08UNIX \u7528\u6237\u4e0d\u9700\u8981\u65e5\u5386\u8868\uff09\uff0c\u8be5\u9009\u9879\u975e\u5e38\u6709\u7528\u3002\u4f7f\u7528\u8fd9\u4e2a\u529f\u80fd\u5f3a\u5927\u7684\u9009\u9879\uff0c\u901a\u8fc7\u5c06\u65e5\u671f\u4f5c\u4e3a\u5f15\u53f7\u62ec\u8d77\u6765\u7684\u53c2\u6570\u63d0\u4f9b\uff0c\u60a8\u53ef\u4ee5\u5feb\u901f\u5730\u67e5\u660e\u4e00\u4e2a\u7279\u5b9a\u7684\u65e5\u671f\u7a76\u7adf\u662f\u661f\u671f\u51e0\uff1a<br \/>\n$ date -d &#8220;nov 22&#8221;<br \/>\nWed Nov 22 00:00:00 EST 2006<br \/>\n$<br \/>\n\u5728\u672c\u793a\u4f8b\u4e2d\uff0c\u60a8\u53ef\u4ee5\u770b\u5230\u4eca\u5e74\u7684 11 \u6708 22 \u65e5\u662f\u661f\u671f\u4e09\u3002<br \/>\n\u6240\u4ee5\uff0c\u5047\u8bbe\u5728 11 \u6708 22 \u65e5\u53ec\u5f00\u4e00\u4e2a\u91cd\u5927\u7684\u4f1a\u8bae\uff0c\u60a8\u53ef\u4ee5\u7acb\u5373\u4e86\u89e3\u5230\u8fd9\u4e00\u5929\u662f\u661f\u671f\u4e09\uff0c\u800c\u8fd9\u4e00\u5929\u60a8\u5c06\u8d76\u5230\u9a7b\u5730\u529e\u516c\u5ba4\u3002<br \/>\n\u83b7\u5f97\u76f8\u5bf9\u65e5\u671f<br \/>\nd \u9009\u9879\u8fd8\u53ef\u4ee5\u544a\u8bc9\u60a8\uff0c\u76f8\u5bf9\u4e8e \u5f53\u524d\u65e5\u671f\u82e5\u5e72\u5929\u7684\u7a76\u7adf\u662f\u54ea\u4e00\u5929\uff0c\u4ece\u73b0\u5728\u5f00\u59cb\u7684\u82e5\u5e72\u5929\u6216\u82e5\u5e72\u661f\u671f\u4ee5\u540e\uff0c\u6216\u8005\u4ee5\u524d\uff08\u8fc7\u53bb\uff09\u3002\u901a\u8fc7\u5c06\u8fd9\u4e2a\u76f8\u5bf9\u504f\u79fb\u4f7f\u7528\u5f15\u53f7\u62ec\u8d77\u6765\uff0c\u4f5c\u4e3a -d \u9009\u9879\u7684\u53c2\u6570\uff0c\u5c31\u53ef\u4ee5\u5b8c\u6210\u8fd9\u9879\u4efb\u52a1\u3002<br \/>\n\u4f8b\u5982\uff0c\u60a8\u9700\u8981\u4e86\u89e3\u4e24\u661f\u671f\u4ee5\u540e\u7684\u65e5\u671f\u3002\u5982\u679c\u60a8\u5904\u4e8e Shell \u63d0\u793a\u7b26\u5904\uff0c\u90a3\u4e48\u53ef\u4ee5\u8fc5\u901f\u5730\u5f97\u5230\u7b54\u6848\uff1a<br \/>\n$ date -d \u20192 weeks\u2019<br \/>\n\u5173\u4e8e\u4f7f\u7528\u8be5\u547d\u4ee4\uff0c\u8fd8\u6709\u5176\u4ed6\u4e00\u4e9b\u91cd\u8981\u7684\u65b9\u6cd5\u3002\u4f7f\u7528 next\/last\u6307\u4ee4\uff0c\u60a8\u53ef\u4ee5\u5f97\u5230\u4ee5\u540e\u7684\u661f\u671f\u51e0\u662f\u54ea\u4e00\u5929\uff1a<br \/>\n$ date -d \u2019next monday\u2019 (\u4e0b\u5468\u4e00\u7684\u65e5\u671f)<br \/>\n$ date -d next-day +%Y%m%d\uff08\u660e\u5929\u7684\u65e5\u671f\uff09\u6216\u8005\uff1adate -d tomorrow +%Y%m%d<br \/>\n$ date -d last-day +%Y%m%d(\u6628\u5929\u7684\u65e5\u671f) \u6216\u8005\uff1adate -d yesterday +%Y%m%d<br \/>\n$ date -d last-month +%Y%m(\u4e0a\u4e2a\u6708\u662f\u51e0\u6708)<br \/>\n$ date -d next-month +%Y%m(\u4e0b\u4e2a\u6708\u662f\u51e0\u6708)<br \/>\n\u4f7f\u7528 ago \u6307\u4ee4\uff0c\u60a8\u53ef\u4ee5\u5f97\u5230\u8fc7\u53bb\u7684\u65e5\u671f\uff1a<br \/>\n$ date -d \u201930 days ago\u2019 \uff0830\u5929\u524d\u7684\u65e5\u671f\uff09<br \/>\n\u60a8\u53ef\u4ee5\u4f7f\u7528\u8d1f\u6570\u4ee5\u5f97\u5230\u76f8\u53cd\u7684\u65e5\u671f\uff1a<br \/>\n$ date -d \u2019dec 14 -2 weeks\u2019 \uff08\u76f8\u5bf9:dec 14\u8fd9\u4e2a\u65e5\u671f\u7684\u4e24\u5468\u524d\u7684\u65e5\u671f\uff09<br \/>\n$ date -d \u2019-100 days\u2019 (100\u5929\u4ee5\u524d\u7684\u65e5\u671f)<br \/>\n$ date -d \u201950 days\u2019(50\u5929\u540e\u7684\u65e5\u671f)<br \/>\n\u8fd9\u4e2a\u6280\u5de7\u975e\u5e38\u6709\u7528\uff0c\u5b83\u53ef\u4ee5\u6839\u636e\u5c06\u6765\u7684\u65e5\u671f\u4e3a\u81ea\u5df1\u8bbe\u7f6e\u63d0\u9192\uff0c\u53ef\u80fd\u662f\u5728\u811a\u672c\u6216 Shell \u542f\u52a8\u6587\u4ef6\u4e2d\uff0c\u5982\u4e0b\u6240\u793a\uff1a<br \/>\nDAY=`date -d \u20192 weeks\u2019 +&#8221;%b %d&#8221;`<br \/>\nif test &#8220;`echo $DAY`&#8221; = &#8220;Aug 16&#8243;; then echo \u2019Product launch is now two weeks away!\u2019; fi<\/p>\n<!-- WP QUADS Content Ad Plugin v. 2.0.19 -->\n<div class=\"quads-location quads-ad2\" id=\"quads-ad2\" style=\"float:none;margin:0px;\">\n\n <!-- WP QUADS - Quick AdSense Reloaded v.2.0.19 Content AdSense async --> \n\n\n<script type=\"text\/javascript\" >\nvar quads_screen_width = document.body.clientWidth;\nif ( quads_screen_width >= 1140 ) {document.write('<ins class=\"adsbygoogle\" style=\"display:inline-block;width:336px;height:280px;\" data-ad-client=\"pub-8568501110011894\" data-ad-slot=\"4911828489\" ><\/ins>');\r\n            (adsbygoogle = window.adsbygoogle || []).push({});\r\n            }if ( quads_screen_width >= 1024  && quads_screen_width < 1140 ) {document.write('<ins class=\"adsbygoogle\" style=\"display:inline-block;width:336px;height:280px;\" data-ad-client=\"pub-8568501110011894\" data-ad-slot=\"4911828489\" ><\/ins>');\r\n            (adsbygoogle = window.adsbygoogle || []).push({});\r\n            }if ( quads_screen_width >= 768  && quads_screen_width < 1024 ) {document.write('<ins class=\"adsbygoogle\" style=\"display:inline-block;width:336px;height:280px;\" data-ad-client=\"pub-8568501110011894\" data-ad-slot=\"4911828489\" ><\/ins>');\r\n            (adsbygoogle = window.adsbygoogle || []).push({});\r\n            }if ( quads_screen_width < 768 ) {document.write('<ins class=\"adsbygoogle\" style=\"display:inline-block;width:336px;height:280px;\" data-ad-client=\"pub-8568501110011894\" data-ad-slot=\"4911828489\" ><\/ins>');\r\n            (adsbygoogle = window.adsbygoogle || []).push({});\r\n            }\n<\/script>\n\n <!-- end WP QUADS --> \n\n\n<\/div>\n\n<p>##############################<\/p>\n<p>unix shell\u4e2d\u7684\u65e5\u671f\u683c\u5f0f\u8f6c\u6362<br \/>\n$ t_t=&#8221;Jul 1 21:29&#8221;<br \/>\n$ date &#8220;+%G-%m-%d %H:%M:%S&#8221; -d &#8220;$t_t&#8221; # $t_t\u7684\u683c\u5f0f\u662f\u6bd4\u8f83\u968f\u610f\u7684<br \/>\n2008-07-01 21:29:00<br \/>\n$ date +%b\/%d\/%G -d &#8220;2008-07-01&#8221;<br \/>\nJul\/01\/2008<\/p>\n<p>unix shell\u4e2d\u7684\u65e5\u671f\u4e4b\u95f4\u95f4\u9694\u7684\u5929\u6570<br \/>\n$ expr &#8216;(&#8216; $(date +%s -d &#8220;2008-07-02&#8221;) &#8211; $(date +%s -d &#8220;2008-05-30&#8221;) &#8216;)&#8217; \/ 86400<br \/>\n33<br \/>\n##\u5b58\u5728bcdate\u7684\u8bdd\uff0c\u53ef\u4ee5\u76f4\u63a5\u4f7f\u7528\u3002<\/p>\n<p>shell\u4e2d\u65e5\u671f\u52a0\u51cf\u6307\u5b9a\u95f4\u9694\u5355\u4f4d<br \/>\n\u589e\u52a036\u5c0f\u65f6\uff1a<br \/>\n$ a=`date +%Y-%m-%d`<br \/>\n$ b=`date +%Y-%m-%d -d &#8220;$a +36 hours&#8221;`<br \/>\n10\u5929\u524d\uff1a<br \/>\n$ date -d &#8220;$a -10 days&#8221;<br \/>\nSun Jun 22 00:00:00 CST 2008<\/p>\n<p>\u4ee5\u6307\u5b9a\u683c\u5f0f\u663e\u793a\u6587\u4ef6\u66f4\u6539\u540e\u6700\u540e\u65e5\u671f\uff0c\u5982yyyy-mm-dd hh24:mi:ss<br \/>\n$ date &#8220;+%Y-%m-%d %H:%M:%S&#8221; -r test.bak<br \/>\n2008-07-01 21:28:55\n<!-- WP QUADS Content Ad Plugin v. 2.0.19 -->\n<div class=\"quads-location quads-ad2\" id=\"quads-ad2\" style=\"float:none;margin:0px;\">\n\n <!-- WP QUADS - Quick AdSense Reloaded v.2.0.19 Content AdSense async --> \n\n\n<script type=\"text\/javascript\" >\nvar quads_screen_width = document.body.clientWidth;\nif ( quads_screen_width >= 1140 ) {document.write('<ins class=\"adsbygoogle\" style=\"display:inline-block;width:336px;height:280px;\" data-ad-client=\"pub-8568501110011894\" data-ad-slot=\"4911828489\" ><\/ins>');\r\n            (adsbygoogle = window.adsbygoogle || []).push({});\r\n            }if ( quads_screen_width >= 1024  && quads_screen_width < 1140 ) {document.write('<ins class=\"adsbygoogle\" style=\"display:inline-block;width:336px;height:280px;\" data-ad-client=\"pub-8568501110011894\" data-ad-slot=\"4911828489\" ><\/ins>');\r\n            (adsbygoogle = window.adsbygoogle || []).push({});\r\n            }if ( quads_screen_width >= 768  && quads_screen_width < 1024 ) {document.write('<ins class=\"adsbygoogle\" style=\"display:inline-block;width:336px;height:280px;\" data-ad-client=\"pub-8568501110011894\" data-ad-slot=\"4911828489\" ><\/ins>');\r\n            (adsbygoogle = window.adsbygoogle || []).push({});\r\n            }if ( quads_screen_width < 768 ) {document.write('<ins class=\"adsbygoogle\" style=\"display:inline-block;width:336px;height:280px;\" data-ad-client=\"pub-8568501110011894\" data-ad-slot=\"4911828489\" ><\/ins>');\r\n            (adsbygoogle = window.adsbygoogle || []).push({});\r\n            }\n<\/script>\n\n <!-- end WP QUADS --> \n\n\n<\/div>\n<\/p>\n<p>&nbsp;","protected":false},"excerpt":{"rendered":"<p>\u83b7\u5f97\u5f53\u5929\u7684\u65e5\u671f date +%Y-%m-%d \u8f93\u51fa\uff1a 2011-07-28 date1=$(date &#8211;date=&#8217;1 day [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_monsterinsights_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0},"categories":[8],"tags":[],"pwapp_after_post_content":"","pwapp_before_post_content":"","androapp_header":"","pwapp_author":{"ID":1,"name":"enadmin","slug":"enadmin"},"pwapp_terms":{"category":[{"term_id":8,"name":"shell","slug":"shell","term_group":0,"term_taxonomy_id":8,"taxonomy":"category","description":"","parent":0,"count":12,"filter":"raw","cat_ID":8,"category_count":12,"category_description":"","cat_name":"shell","category_nicename":"shell","category_parent":0,"ID":8}]},"pwapp_feed_image_dimension_type":"preview","pwapp_post_image":null,"share_image":null,"featured_image_showhide":"show","pwapp_excerpt":"<p>\u83b7\u5f97\u5f53\u5929\u7684\u65e5\u671f date +%Y-%m-%d \u8f93\u51fa\uff1a 2011-07-28 date1=$(date &#8211;date=&#8217;1 day [&hellip;]<\/p>\n","pwapp_title":"linux\u5728shell\u4e2d\u65f6\u95f4 date\u4f7f\u7528\u65b9\u6cd5\u8be6\u89e3","androapp_image_list":[],"pwapp_post_content":"<style type=\"text\/css\">androapp img{\r\n    max-width: 100%;\r\n    height: auto;\r\n}\r\niframe{\r\n    max-width: 100%;    \r\n}\r\nfigure {\r\n    max-width: 100%;\r\n    height: auto;\r\n}\r\nimg{\r\n    max-width: 100% !important;\r\n    height: auto;\r\n}\r\ndiv {\r\n    max-width: 100% !important;\r\n}\r\nspan {\r\n    max-width:100%;\r\n    overflow: auto;\r\n}\r\naudio {\r\n    display:block;\r\n    visibility:visible !important;\r\n}\r\nvideo{\r\n    width:100%;\r\n    height:auto;\r\n}\r\n<\/style><div class='androapp'><p>\u83b7\u5f97\u5f53\u5929\u7684\u65e5\u671f<\/p>\n<p>date +%Y-%m-%d<\/p>\n<p>\u8f93\u51fa\uff1a 2011-07-28<\/p>\n<p>date1=$(date &#8211;date=&#8217;1 days ago +%Y%m%d&#8217;) #\u524d\u4e00\u5929\u7684\u65e5\u671f<\/p>\n<p>date1=$(date &#8211;date=&#8217;2 days ago +%Y%m%d&#8217;) #\u524dl\u4e24\u5929\u7684\u65e5\u671f<\/p>\n<p>\u5c06\u5f53\u524d\u65e5\u671f\u8d4b\u503c\u7ed9DATE\u53d8\u91cf<br \/>\nDATE=$(date +%Y%m%d)<\/p>\n<p>\u6709\u65f6\u5019\u6211\u4eec\u9700\u8981\u4f7f\u7528\u4eca\u5929\u4e4b\u524d\u6216\u8005\u5f80\u540e\u7684\u65e5\u671f\uff0c\u8fd9\u65f6\u53ef\u4ee5\u4f7f\u7528date\u7684 -d\u53c2\u6570<\/p>\n<p>\u83b7\u53d6\u660e\u5929\u7684\u65e5\u671f<\/p>\n<p>date -d next-day +%Y%m%d<\/p>\n<p>\u83b7\u53d6\u6628\u5929\u7684\u65e5\u671f<\/p>\n<p>date -d last-day +%Y%m%d<\/p>\n<p>\u83b7\u53d6\u4e0a\u4e2a\u6708\u7684\u5e74\u548c\u6708<\/p>\n<p>date -d last-month +%Y%m<\/p>\n<p>\u83b7\u53d6\u4e0b\u4e2a\u6708\u7684\u5e74\u548c\u6708<br \/>\ndate -d next-month +%Y%m<\/p>\n<p>\u83b7\u53d6\u660e\u5e74\u7684\u5e74\u4efd<br \/>\ndate -d next-year +%Y<\/p>\n<p>\u4e0b\u9762\u662f\u4e00\u4e9bdate\u53c2\u6570\u7684\u8bf4\u660e\u548c\u4e00\u4e9b\u4f8b\u5b50<\/p>\n<p>\u540d\u79f0 : date<br \/>\n\u4f7f\u7528\u6743\u9650 : \u6240\u6709\u4f7f\u7528\u8005<br \/>\n\u4f7f\u7528\u65b9\u5f0f : date [-u] [-d datestr] [-s datestr] [&#8211;utc] [&#8211;universal] [&#8211;date=datestr] [&#8211;set=datestr] [&#8211;help] [&#8211;version] [+FORMAT] [MMDDhhmm[[CC]YY][.ss]]<br \/>\n\u8bf4\u660e : date \u80fd\u7528\u6765\u663e\u793a\u6216\u8bbe\u5b9a\u7cfb\u7edf\u7684\u65e5\u671f\u548c\u65f6\u95f4\uff0c\u5728\u663e\u793a\u65b9\u9762\uff0c\u4f7f\u7528\u8005\u80fd\u8bbe\u5b9a\u6b32\u663e\u793a\u7684\u683c\u5f0f\uff0c\u683c\u5f0f\u8bbe\u5b9a\u4e3a\u4e00\u4e2a\u52a0\u53f7\u540e\u63a5\u6570\u4e2a\u6807\u8bb0\uff0c\u5176\u4e2d\u53ef\u7528\u7684\u6807\u8bb0\u5217\u8868\u5982\u4e0b :<br \/>\n\u65f6\u95f4\u65b9\u9762 :<br \/>\n% : \u5370\u51fa<br \/>\n% %n : \u4e0b\u4e00\u884c<br \/>\n%t : \u8df3\u683c<br \/>\n%H : \u5c0f\u65f6(00..23)<br \/>\n%I : \u5c0f\u65f6(01..12)<br \/>\n%k : \u5c0f\u65f6(0..23)<br \/>\n%l : \u5c0f\u65f6(1..12)<br \/>\n%M : \u5206\u949f(00..59)<br \/>\n%p : \u663e\u793a\u672c\u5730 AM \u6216 PM<br \/>\n%r : \u76f4\u63a5\u663e\u793a\u65f6\u95f4 (12 \u5c0f\u65f6\u5236\uff0c\u683c\u5f0f\u4e3a hh:mm:ss [AP]M)<br \/>\n%s : \u4ece 1970 \u5e74 1 \u6708 1 \u65e5 00:00:00 UTC \u5230\u76ee\u524d\u4e3a\u6b62\u7684\u79d2\u6570 %S : \u79d2(00..61)<br \/>\n%T : \u76f4\u63a5\u663e\u793a\u65f6\u95f4 (24 \u5c0f\u65f6\u5236)<br \/>\n%X : \u76f8\u5f53\u4e8e %H:%M:%S<br \/>\n%Z : \u663e\u793a\u65f6\u533a<br \/>\n\u65e5\u671f\u65b9\u9762 :<br \/>\n%a : \u661f\u671f\u51e0 (Sun..Sat)<br \/>\n%A : \u661f\u671f\u51e0 (Sunday..Saturday)<br \/>\n%b : \u6708\u4efd (Jan..Dec)<br \/>\n%B : \u6708\u4efd (January..December)<br \/>\n%c : \u76f4\u63a5\u663e\u793a\u65e5\u671f\u548c\u65f6\u95f4<br \/>\n%d : \u65e5 (01..31)<br \/>\n%D : \u76f4\u63a5\u663e\u793a\u65e5\u671f (mm\/dd\/yy)<br \/>\n%h : \u540c %b<br \/>\n%j : 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\u4e3a\u5e74\u4efd\u524d\u4e24\u4f4d\u6570\u5b57\uff0c<br \/>\nYY \u4e3a\u5e74\u4efd\u540e\u4e24\u4f4d\u6570\u5b57\uff0c<br \/>\nss \u4e3a\u79d2\u6570<br \/>\n\u628a\u8ba1 :<br \/>\n-d datestr : \u663e\u793a datestr \u4e2d\u6240\u8bbe\u5b9a\u7684\u65f6\u95f4 (\u975e\u7cfb\u7edf\u65f6\u95f4)<br \/>\n&#8211;help : \u663e\u793a\u8f85\u52a9\u8baf\u606f<br \/>\n-s datestr : \u5c06\u7cfb\u7edf\u65f6\u95f4\u8bbe\u4e3a datestr \u4e2d\u6240\u8bbe\u5b9a\u7684\u65f6\u95f4<br \/>\n-u : \u663e\u793a\u76ee\u524d\u7684\u683c\u6797\u5a01\u6cbb\u65f6\u95f4<br \/>\n&#8211;version : \u663e\u793a\u7248\u672c\u7f16\u53f7<br \/>\n\u4f8b\u5b50 :<br \/>\n\u663e\u793a\u65f6\u95f4\u540e\u8df3\u884c\uff0c\u518d\u663e\u793a\u76ee\u524d\u65e5\u671f : date +%T%n%D<br \/>\n\u663e\u793a\u6708\u4efd\u548c\u65e5\u6570 : date +%B %d<br \/>\n\u663e\u793a\u65e5\u671f\u548c\u8bbe\u5b9a\u65f6\u95f4(12:34:56) : date &#8211;date 12:34:56<br \/>\n\u8bbe\u7f6e\u7cfb\u7edf\u5f53\u524d\u65f6\u95f4\uff0812:34:56\uff09\uff1adate &#8211;s 12:34:56<br \/>\n\u6ce8\u610f : \u5f53\u4f60\u4e0d\u5e0c\u671b\u51fa\u73b0\u65e0\u610f\u4e49\u7684 0 \u65f6(\u6bd4\u5982\u8bf4 1999\/03\/07)\uff0c\u5219\u80fd\u5728\u6807\u8bb0\u4e2d\u63d2\u5165 &#8211; \u7b26\u53f7\uff0c\u6bd4\u5982\u8bf4 date +%-H:%-M:%-S \u4f1a\u628a\u65f6\u5206\u79d2\u4e2d\u65e0\u610f\u4e49\u7684 0 \u7ed9\u53bb\u6389\uff0c\u50cf\u662f\u539f\u672c\u7684 08:09:04 \u4f1a\u53d8\u4e3a 8:9:4\u3002\u53e6\u5916\uff0c\u53ea\u6709\u53d6\u5f97\u6743\u9650\u8005(\u6bd4\u5982\u8bf4 root)\u624d\u80fd\u8bbe\u5b9a\u7cfb\u7edf\u65f6\u95f4\u3002 \u5f53\u4f60\u4ee5 root \u8eab\u5206\u66f4\u6539\u4e86\u7cfb\u7edf\u65f6\u95f4\u4e4b\u540e\uff0c\u8bf7\u8bb0\u5f97\u4ee5 clock -w \u6765\u5c06\u7cfb\u7edf\u65f6\u95f4\u5199\u5165 CMOS \u4e2d\uff0c\u8fd9\u6837\u4e0b\u6b21\u91cd\u65b0\u5f00\u673a\u65f6\u7cfb\u7edf\u65f6\u95f4\u624d\u4f1a\u6301\u7eed\u62b1\u6301\u6700\u65b0\u7684\u6b63\u786e\u503c\u3002<br \/>\nntp\u65f6\u95f4\u540c\u6b65<br \/>\nlinux\u7cfb\u7edf\u4e0b\u9ed8\u8ba4\u5b89\u88c5\u4e86ntp\u670d\u52a1\uff0c\u624b\u52a8\u8fdb\u884cntp\u540c\u6b65\u5982\u4e0b<br \/>\nntpdate ntp1.nl.net<br \/>\n\u5f53\u7136\uff0c\u4e5f\u80fd\u6307\u5b9a\u5176\u4ed6\u7684ntp\u670d\u52a1\u5668<br \/>\n&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;-<br \/>\n\u6269\u5c55\u529f\u80fd<br \/>\ndate \u5de5\u5177\u53ef\u4ee5\u5b8c\u6210\u66f4\u591a\u7684\u5de5\u4f5c\uff0c\u4e0d\u4ec5\u4ec5\u53ea\u662f\u6253\u5370\u51fa\u5f53\u524d\u7684\u7cfb\u7edf\u65e5\u671f\u3002\u60a8\u53ef\u4ee5\u4f7f\u7528\u5b83\u6765\u5f97\u5230\u7ed9\u5b9a\u7684\u65e5\u671f\u7a76\u7adf\u662f\u661f\u671f\u51e0\uff0c\u5e76\u5f97\u5230\u76f8\u5bf9\u4e8e\u5f53\u524d\u65e5\u671f\u7684\u76f8\u5bf9\u65e5\u671f\u3002\u4e86\u89e3\u67d0\u4e00\u5929\u662f\u661f\u671f\u51e0<br \/>\nGNU \u5bf9 date \u547d\u4ee4\u7684\u53e6\u4e00\u4e2a\u6269\u5c55\u662f -d \u9009\u9879\uff0c\u5f53\u60a8\u7684\u684c\u4e0a\u6ca1\u6709\u65e5\u5386\u8868\u65f6\uff08UNIX \u7528\u6237\u4e0d\u9700\u8981\u65e5\u5386\u8868\uff09\uff0c\u8be5\u9009\u9879\u975e\u5e38\u6709\u7528\u3002\u4f7f\u7528\u8fd9\u4e2a\u529f\u80fd\u5f3a\u5927\u7684\u9009\u9879\uff0c\u901a\u8fc7\u5c06\u65e5\u671f\u4f5c\u4e3a\u5f15\u53f7\u62ec\u8d77\u6765\u7684\u53c2\u6570\u63d0\u4f9b\uff0c\u60a8\u53ef\u4ee5\u5feb\u901f\u5730\u67e5\u660e\u4e00\u4e2a\u7279\u5b9a\u7684\u65e5\u671f\u7a76\u7adf\u662f\u661f\u671f\u51e0\uff1a<br \/>\n$ date -d &#8220;nov 22&#8221;<br \/>\nWed Nov 22 00:00:00 EST 2006<br \/>\n$<br \/>\n\u5728\u672c\u793a\u4f8b\u4e2d\uff0c\u60a8\u53ef\u4ee5\u770b\u5230\u4eca\u5e74\u7684 11 \u6708 22 \u65e5\u662f\u661f\u671f\u4e09\u3002<br \/>\n\u6240\u4ee5\uff0c\u5047\u8bbe\u5728 11 \u6708 22 \u65e5\u53ec\u5f00\u4e00\u4e2a\u91cd\u5927\u7684\u4f1a\u8bae\uff0c\u60a8\u53ef\u4ee5\u7acb\u5373\u4e86\u89e3\u5230\u8fd9\u4e00\u5929\u662f\u661f\u671f\u4e09\uff0c\u800c\u8fd9\u4e00\u5929\u60a8\u5c06\u8d76\u5230\u9a7b\u5730\u529e\u516c\u5ba4\u3002<br \/>\n\u83b7\u5f97\u76f8\u5bf9\u65e5\u671f<br \/>\nd \u9009\u9879\u8fd8\u53ef\u4ee5\u544a\u8bc9\u60a8\uff0c\u76f8\u5bf9\u4e8e \u5f53\u524d\u65e5\u671f\u82e5\u5e72\u5929\u7684\u7a76\u7adf\u662f\u54ea\u4e00\u5929\uff0c\u4ece\u73b0\u5728\u5f00\u59cb\u7684\u82e5\u5e72\u5929\u6216\u82e5\u5e72\u661f\u671f\u4ee5\u540e\uff0c\u6216\u8005\u4ee5\u524d\uff08\u8fc7\u53bb\uff09\u3002\u901a\u8fc7\u5c06\u8fd9\u4e2a\u76f8\u5bf9\u504f\u79fb\u4f7f\u7528\u5f15\u53f7\u62ec\u8d77\u6765\uff0c\u4f5c\u4e3a -d \u9009\u9879\u7684\u53c2\u6570\uff0c\u5c31\u53ef\u4ee5\u5b8c\u6210\u8fd9\u9879\u4efb\u52a1\u3002<br \/>\n\u4f8b\u5982\uff0c\u60a8\u9700\u8981\u4e86\u89e3\u4e24\u661f\u671f\u4ee5\u540e\u7684\u65e5\u671f\u3002\u5982\u679c\u60a8\u5904\u4e8e Shell \u63d0\u793a\u7b26\u5904\uff0c\u90a3\u4e48\u53ef\u4ee5\u8fc5\u901f\u5730\u5f97\u5230\u7b54\u6848\uff1a<br \/>\n$ date -d \u20192 weeks\u2019<br \/>\n\u5173\u4e8e\u4f7f\u7528\u8be5\u547d\u4ee4\uff0c\u8fd8\u6709\u5176\u4ed6\u4e00\u4e9b\u91cd\u8981\u7684\u65b9\u6cd5\u3002\u4f7f\u7528 next\/last\u6307\u4ee4\uff0c\u60a8\u53ef\u4ee5\u5f97\u5230\u4ee5\u540e\u7684\u661f\u671f\u51e0\u662f\u54ea\u4e00\u5929\uff1a<br \/>\n$ date -d \u2019next monday\u2019 (\u4e0b\u5468\u4e00\u7684\u65e5\u671f)<br \/>\n$ date -d next-day +%Y%m%d\uff08\u660e\u5929\u7684\u65e5\u671f\uff09\u6216\u8005\uff1adate -d tomorrow +%Y%m%d<br \/>\n$ date -d last-day +%Y%m%d(\u6628\u5929\u7684\u65e5\u671f) \u6216\u8005\uff1adate -d yesterday +%Y%m%d<br \/>\n$ date -d last-month +%Y%m(\u4e0a\u4e2a\u6708\u662f\u51e0\u6708)<br \/>\n$ date -d next-month +%Y%m(\u4e0b\u4e2a\u6708\u662f\u51e0\u6708)<br \/>\n\u4f7f\u7528 ago \u6307\u4ee4\uff0c\u60a8\u53ef\u4ee5\u5f97\u5230\u8fc7\u53bb\u7684\u65e5\u671f\uff1a<br \/>\n$ date -d \u201930 days ago\u2019 \uff0830\u5929\u524d\u7684\u65e5\u671f\uff09<br \/>\n\u60a8\u53ef\u4ee5\u4f7f\u7528\u8d1f\u6570\u4ee5\u5f97\u5230\u76f8\u53cd\u7684\u65e5\u671f\uff1a<br \/>\n$ date -d \u2019dec 14 -2 weeks\u2019 \uff08\u76f8\u5bf9:dec 14\u8fd9\u4e2a\u65e5\u671f\u7684\u4e24\u5468\u524d\u7684\u65e5\u671f\uff09<br \/>\n$ date -d \u2019-100 days\u2019 (100\u5929\u4ee5\u524d\u7684\u65e5\u671f)<br \/>\n$ date -d \u201950 days\u2019(50\u5929\u540e\u7684\u65e5\u671f)<br \/>\n\u8fd9\u4e2a\u6280\u5de7\u975e\u5e38\u6709\u7528\uff0c\u5b83\u53ef\u4ee5\u6839\u636e\u5c06\u6765\u7684\u65e5\u671f\u4e3a\u81ea\u5df1\u8bbe\u7f6e\u63d0\u9192\uff0c\u53ef\u80fd\u662f\u5728\u811a\u672c\u6216 Shell \u542f\u52a8\u6587\u4ef6\u4e2d\uff0c\u5982\u4e0b\u6240\u793a\uff1a<br \/>\nDAY=`date -d \u20192 weeks\u2019 +&#8221;%b %d&#8221;`<br \/>\nif test &#8220;`echo $DAY`&#8221; = &#8220;Aug 16&#8243;; then echo \u2019Product launch is now two weeks away!\u2019; fi<\/p>\n<p>##############################<\/p>\n<p>unix shell\u4e2d\u7684\u65e5\u671f\u683c\u5f0f\u8f6c\u6362<br \/>\n$ t_t=&#8221;Jul 1 21:29&#8221;<br \/>\n$ date &#8220;+%G-%m-%d %H:%M:%S&#8221; -d &#8220;$t_t&#8221; # $t_t\u7684\u683c\u5f0f\u662f\u6bd4\u8f83\u968f\u610f\u7684<br \/>\n2008-07-01 21:29:00<br \/>\n$ date +%b\/%d\/%G -d &#8220;2008-07-01&#8221;<br \/>\nJul\/01\/2008<\/p>\n<p>unix shell\u4e2d\u7684\u65e5\u671f\u4e4b\u95f4\u95f4\u9694\u7684\u5929\u6570<br \/>\n$ expr &#8216;(&#8216; $(date +%s -d &#8220;2008-07-02&#8221;) &#8211; $(date +%s -d &#8220;2008-05-30&#8221;) &#8216;)&#8217; \/ 86400<br \/>\n33<br \/>\n##\u5b58\u5728bcdate\u7684\u8bdd\uff0c\u53ef\u4ee5\u76f4\u63a5\u4f7f\u7528\u3002<\/p>\n<p>shell\u4e2d\u65e5\u671f\u52a0\u51cf\u6307\u5b9a\u95f4\u9694\u5355\u4f4d<br \/>\n\u589e\u52a036\u5c0f\u65f6\uff1a<br \/>\n$ a=`date +%Y-%m-%d`<br \/>\n$ b=`date +%Y-%m-%d -d &#8220;$a +36 hours&#8221;`<br \/>\n10\u5929\u524d\uff1a<br \/>\n$ date -d &#8220;$a -10 days&#8221;<br \/>\nSun Jun 22 00:00:00 CST 2008<\/p>\n<p>\u4ee5\u6307\u5b9a\u683c\u5f0f\u663e\u793a\u6587\u4ef6\u66f4\u6539\u540e\u6700\u540e\u65e5\u671f\uff0c\u5982yyyy-mm-dd hh24:mi:ss<br \/>\n$ date &#8220;+%Y-%m-%d %H:%M:%S&#8221; -r test.bak<br \/>\n2008-07-01 21:28:55<\/p>\n<p>&nbsp;<\/p><\/div>","pwapp_post_content_type":"postprocessed","pwapp_preview_type":"excerpt","androapp_failover_post_content_type":"","share_text":"\u83b7\u5f97\u5f53\u5929\u7684\u65e5\u671f date +%Y-%m-%d \u8f93\u51fa\uff1a 2011-07-28 date1=$(date &#8211;date=&#8217;1 day [&hellip;]\n\nvia http:\/\/tech.memoecho.com\/zh\/shell\/linux-shell-use-date\/","supercache":"androappsupercache","_links":{"self":[{"href":"http:\/\/tech.memoecho.com\/zh\/wp-json\/wp\/v2\/posts\/1935"}],"collection":[{"href":"http:\/\/tech.memoecho.com\/zh\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/tech.memoecho.com\/zh\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/tech.memoecho.com\/zh\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/tech.memoecho.com\/zh\/wp-json\/wp\/v2\/comments?post=1935"}],"version-history":[{"count":1,"href":"http:\/\/tech.memoecho.com\/zh\/wp-json\/wp\/v2\/posts\/1935\/revisions"}],"predecessor-version":[{"id":1936,"href":"http:\/\/tech.memoecho.com\/zh\/wp-json\/wp\/v2\/posts\/1935\/revisions\/1936"}],"wp:attachment":[{"href":"http:\/\/tech.memoecho.com\/zh\/wp-json\/wp\/v2\/media?parent=1935"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/tech.memoecho.com\/zh\/wp-json\/wp\/v2\/categories?post=1935"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/tech.memoecho.com\/zh\/wp-json\/wp\/v2\/tags?post=1935"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}