\u53c2\u8003\u9e1f\u54e5linux\u79c1\u623f\u83dcp389<\/p>\n
#!\/bin\/bash\r\n#for use:\r\n#author: jpuyy date\u00a0 jpuyy.com stubusy@gmail.com\r\n#modified by xx at date\r\n#version:\r\n#history:\r\n#relate on:\r\nPATH=\/bin:\/sbin:\/usr\/bin:\/usr\/sbin:\/usr\/local\/bin:\/usr\/local\/sbin:~\/bin\r\nexport PATH\r\n\r\necho \"count down script\"\r\necho \"how many time to graduate\"\r\nread -p \"please input your graduate time format like 20120620:\" date2\r\n\r\ndate_d=$(echo $date2 | grep '[0-9]\\{8\\}')\r\nif [ \"$date_d\" == \"\" ]; then\r\n\u00a0\u00a0\u00a0 echo \"your input is wrong\"\r\n\u00a0\u00a0\u00a0 exit 1\r\nfi\r\n\r\ndeclare -i date_dem=`date --date=\"$date2\" +%s`\r\ndeclare -i date_now=`date +%s`\r\ndeclare -i date_total_s=$(($date_dem-$date_now))\r\ndeclare -i date_d=$(($date_total_s\/60\/60\/24))\r\n\r\nif [ \"$date_total_s\" -lt \"0\" ]; then\r\n\u00a0\u00a0\u00a0 echo \"you have graduated $((-1*$date_d)) days\"\r\nelse\r\n\u00a0\u00a0\u00a0 declare -i date_h=$(($(($date_total_s-$date_d*60*60*24))\/60\/60))\r\n\u00a0\u00a0\u00a0 echo \"you left $date_d days and $date_h hours.\"\r\nfi<\/pre>\n\u6267\u884c<\/p>\n
\u5176\u5b9e\u4e0d\u5149\u6709\u5012\u8ba1\u65f6\u529f\u80fd\uff0c\u4e5f\u53ef\u4ee5\u770b\u5df2\u53d1\u751f\u7684\u4e8b\u4ef6\u5230\u73b0\u5728\u591a\u957f\u65f6\u95f4\u4e86<\/p>\n
\u6536\u83b7\uff1a<\/p>\n
\u6253\u4ee3\u7801\u65f6\u5019vim\u989c\u8272\u63d0\u9192\u4e86\u6807\u70b9\u7b26\u53f7\uff0c\u8282\u7701\u4e86\u5f88\u591a\u529b\u6c14<\/p>\n
\u627e\u7801\u4e00\u5b9a\u8981\u6253\u51fa\u6765\u624d\u77e5\u9053\u638c\u63e1\u4e86\u591a\u5c11\uff0c\u7a7a\u60f3\u4e0d\u53ef\u53d6\uff0c\u518d\u5c11\u4ee3\u7801\u4e5f\u4e0d\u53ef\u590d\u5236\u3002<\/p>\n
\u7528\u5230\u77e5\u8bc6\uff1adate \u548c \u65f6\u95f4\u6362\u7b97\u5e38\u8bc6<\/p>\n
root@www:\/home\/jpuyy\/shellstudy# bash sh11.sh\r\ncount down script\r\nhow many time to graduate\r\nplease input your graduate time format like 20120620:20120620\r\nyou left 203 days and 11 hours.<\/pre>\n\u79bb\u6bd5\u4e1a\u4e0d\u8fdc\u4e86\u554a<\/p>\n
<\/p>\n","protected":false},"excerpt":{"rendered":"
\u53c2\u8003\u9e1f\u54e5linux\u79c1\u623f\u83dcp389 #!\/bin\/bash #for use: #author: jpuyy date\u00a0 jpuyy.com stubusy@gmail.com #modified by xx at date #version: #history: #relate on: PATH=\/bin:\/sbin:\/usr\/bin:\/usr\/sbin:\/usr\/local\/bin:\/usr\/local\/sbin:~\/bin export PATH echo “count down script” echo “how many time to graduate” read -p “please input your graduate time format like 20120620:” date2 date_d=$(echo $date2 | grep ‘[0-9]\\{8\\}’) if [ “$date_d” == “” ]; then \u00a0\u00a0\u00a0 […]<\/p>\n","protected":false},"author":3,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[8],"tags":[74],"class_list":["post-2162","post","type-post","status-publish","format-standard","hentry","category-linux","tag-shell-script"],"_links":{"self":[{"href":"https:\/\/jpuyy.com\/index.php?rest_route=\/wp\/v2\/posts\/2162","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/jpuyy.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/jpuyy.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/jpuyy.com\/index.php?rest_route=\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/jpuyy.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=2162"}],"version-history":[{"count":7,"href":"https:\/\/jpuyy.com\/index.php?rest_route=\/wp\/v2\/posts\/2162\/revisions"}],"predecessor-version":[{"id":2164,"href":"https:\/\/jpuyy.com\/index.php?rest_route=\/wp\/v2\/posts\/2162\/revisions\/2164"}],"wp:attachment":[{"href":"https:\/\/jpuyy.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=2162"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/jpuyy.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=2162"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/jpuyy.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=2162"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}