{"id":99,"date":"2009-07-20T22:38:23","date_gmt":"2009-07-20T22:38:23","guid":{"rendered":"http:\/\/kumouse.aafox.com\/?p=99"},"modified":"2009-07-20T22:38:23","modified_gmt":"2009-07-20T22:38:23","slug":"bash-%e9%80%92%e5%bd%92%e7%ae%97%e6%b3%95-%e6%af%94%e8%be%83","status":"publish","type":"post","link":"https:\/\/www.kumouse.com\/?p=99","title":{"rendered":"bash \u9012\u5f52\u7b97\u6cd5 \u6bd4\u8f83"},"content":{"rendered":"<p>\u4e00\u4e2a\u9636\u4e58\u7684\u9012\u5f52\u7b97\u6cd5<\/p>\n<blockquote><p>#!\/bin\/bash<br \/>function recursive()<br \/>{<br \/>        local i=$1<br \/>        if [ $i -eq 0 ];then<br \/>                num=1<br \/>        else<br \/>                recursive `expr $i &#8211; 1`<br \/>                num=`expr $i * $num`<br \/>        fi<br \/>return $num<br \/>}<br \/>recursive $1<br \/>echo $num<\/p><\/blockquote>\n<p>\u6216<\/p>\n<blockquote><p>#!\/bin\/bash<br \/>function recursive()<br \/>{<br \/>        local i=$1<br \/>        if [ $i -eq 0 ];then<br \/>                num=1<br \/>        else<br \/>                recursive $[ $i &#8211; 1 ]<br \/>                num=$[ $i * $num ]<br \/>        fi<br \/>return $num<br \/>}<br \/>recursive $1<br \/>echo $num<\/p><\/blockquote>\n<p>\u7528\u5faa\u73af\u8bed\u53e5\u6765\u505a\u9636\u4e58<\/p>\n<blockquote><p>#!\/bin\/bash<br \/>if [ -z $1 ];then<br \/>        echo &quot;Need one parameter&quot;<br \/>        exit 1<br \/>elif [ $1 -gt 20 -o $1 -lt 1 ];then<br \/>        echo &quot;Number please Enter 1-20&quot;<br \/>        exit 1<br \/>fi<br \/>i=$1<br \/>num=1<br \/>until [ $i -eq 0 ]<br \/>do<br \/>        let num=$num*$i<br \/>        ((i-=1))<br \/>done<br \/>echo $num<\/p><\/blockquote>\n<p>\u524d\u4e24\u79cd\u53ea\u662f\u5199\u6cd5\u4e0a\u6709\u6240\u4e0d\u540c,\u5176\u5b9e\u662f\u4e00\u6837\u7684,\u7b2c\u4e09\u79cd\u52a0\u5165\u4e86\u53c2\u6570\u9a8c\u8bc1,\u4f7f\u7528\u8d77\u6765\u66f4\u5b89\u5168.<br \/>\u5faa\u73af\u6bd4\u9012\u5f52\u5f00\u9500\u5c0f,\u9012\u5f52\u4ee3\u7801\u91cf\u5c0f\u4f46\u5f00\u9500\u60ca\u4eba,\u7528\u54ea\u79cd\u81ea\u5df1\u770b\u7740\u529e\u5427<br \/>\u56e0\u4e3a\u6211\u7684\u7535\u8111\u662f64\u4f4d\u7684,\u5bc4\u5b58\u5668\u6700\u5927\u662f\u53ef\u4ee5\u653e\u4e0b2^64=18446744073709551616\u6240\u4ee5\u53ea\u80fd\u7b97\u523020\u7684\u9636\u4e58<br \/>\u770b\u811a\u672c\u7684\u6267\u884c\u8fc7\u7a0b\u53ef\u4ee5\u7528bash -x .\/xxxx.sh 5<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u4e00\u4e2a\u9636\u4e58\u7684\u9012\u5f52\u7b97\u6cd5 #!\/bin\/bashfunction recursive(){ local i=$1 i [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[4],"tags":[],"class_list":["post-99","post","type-post","status-publish","format-standard","hentry","category-linux"],"_links":{"self":[{"href":"https:\/\/www.kumouse.com\/index.php?rest_route=\/wp\/v2\/posts\/99","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.kumouse.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.kumouse.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.kumouse.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.kumouse.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=99"}],"version-history":[{"count":0,"href":"https:\/\/www.kumouse.com\/index.php?rest_route=\/wp\/v2\/posts\/99\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.kumouse.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=99"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.kumouse.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=99"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.kumouse.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=99"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}