{"id":817,"date":"2009-11-15T15:10:55","date_gmt":"2009-11-15T07:10:55","guid":{"rendered":"http:\/\/www.impjq.net\/blog\/2009\/11\/15\/python-%e5%ad%97%e7%ac%a6%e5%88%87%e5%89%b2\/"},"modified":"2009-11-15T15:10:55","modified_gmt":"2009-11-15T07:10:55","slug":"python-%e5%ad%97%e7%ac%a6%e5%88%87%e5%89%b2","status":"publish","type":"post","link":"https:\/\/pjq.me\/?p=817","title":{"rendered":"Python \u5b57\u7b26\u5207\u5272"},"content":{"rendered":"<p>\u672c\u8eab\u8fd9\u4e2a\u811a\u672c\u6ca1\u6709\u4ec0\u4e48\u4f5c\u7528\uff0c\u7eaf\u7cb9\u662f\u89c9\u5f97\u597d\u73a9\u3002<\/p>\n<p>\u6267\u884c\u4e0b\u9762\u8fd9\u4e2a\u547d\u4ee4\uff0c\u6211\u60f3\u5f97\u5230\u6700\u540e\u4e00\u5217\u7684\u6570\u636e\uff0c\u5176\u5b9e\u5c31\u662fls\u7684\u7ed3\u679c<\/p>\n<pre lang=\"BASHE\" line=\"1\">\ngentoo-pjq \/ # ls -lh \/\ntotal 65K\ndrwxr-xr-x   2 root root 4.0K 2009-11-11 21:56 bin\ndrwxr-xr-x   4 root root 1.0K 2009-10-31 16:10 boot\ndrwxr-xr-x  15 root root 3.9K 2009-11-15 10:33 dev\ndrwxr-xr-x  94 root root 4.0K 2009-11-15 10:33 etc\ndrwxr-xr-x  10 root root 4.0K 2009-09-24 20:28 home\ndrwxr-xr-x  11 root root 4.0K 2009-11-15 00:19 lib\ndrwx------   2 root root  16K 2009-09-24 19:27 lost+found\ndrwxr-xr-x  14 root root 4.0K 2009-11-15 10:33 media\ndrwxr-xr-x   4 root root 4.0K 2008-04-24 03:48 mnt\ndrwxr-xr-x  18 root root 4.0K 2009-11-15 00:18 opt\ndr-xr-xr-x 139 root root    0 2009-11-15 18:32 proc\ndrwx------  44 root root 4.0K 2009-11-15 11:07 root\ndrwxr-xr-x   2 root root 4.0K 2009-11-15 00:19 sbin\ndrwxr-xr-x  12 root root    0 2009-11-15 18:32 sys\ndrwxrwxrwt   9 root root 4.0K 2009-11-15 15:01 tmp\ndrwxr-xr-x  16 root root 4.0K 2009-09-26 18:49 usr\ndrwxr-xr-x  15 root root 4.0K 2009-10-17 19:26 var\n<\/pre>\n<p>\u8981\u8fbe\u5230\u8fd9\u4e2a\u7ed3\u679c\u7528Python\u8981\u600e\u4e48\u5b9e\u73b0\u5462\uff1a<\/p>\n<pre lang=\"python\" line=\"1\">\ndef exec_shell(command):\n    \"\"\"\n    Execute the shell command and return the result.\n    \"\"\"\n    pipe=os.popen(command)\n    text=pipe.read()\n    pipe.close()\n    return text\n\nli= str(exec_shell('ls \/ -lh')).split(\"\\n\")\nprint \"\\n\".join([\"%s\" %(str(a).split()[7]) for a in li if (lambda args:len(str(a).split()))(a)==8])\n<\/pre>\n<p>\u8fd0\u884c\u7ed3\u679c\uff1a<br \/>\nbin<br \/>\nboot<br \/>\ndev<br \/>\netc<br \/>\nhome<br \/>\nlib<br \/>\nlost+found<br \/>\nmedia<br \/>\nmnt<br \/>\nopt<br \/>\nproc<br \/>\nroot<br \/>\nsbin<br \/>\nsys<br \/>\ntmp<br \/>\nusr<br \/>\nvar<\/p>\n<p>\u5982\u679c\u6539\u6210\u8fd9\u6837\uff0c\u5c31\u53ef\u4ee5\u52a0\u4e0a\u5e8f\u53f7\u4e86\uff1a<br \/>\nprint &#8220;\\n&#8221;.join([&#8220;%s:%s&#8221; %(li.index(a),str(a).split()[7]) for a in li if (lambda args:len(str(a).split()))(a)==8])<br \/>\n1:bin<br \/>\n2:boot<br \/>\n3:dev<br \/>\n4:etc<br \/>\n5:home<br \/>\n6:lib<br \/>\n7:lost+found<br \/>\n8:media<br \/>\n9:mnt<br \/>\n10:opt<br \/>\n11:proc<br \/>\n12:root<br \/>\n13:sbin<br \/>\n14:sys<br \/>\n15:tmp<br \/>\n16:usr<br \/>\n17:var<\/p>\n<div class=\"zemanta-pixie\"><img decoding=\"async\" class=\"zemanta-pixie-img\" alt=\"\" src=\"http:\/\/img.zemanta.com\/pixy.gif?x-id=5b6c9e40-b636-8c6f-b6e4-93edb72e5bbe\" \/><\/div>\n","protected":false},"excerpt":{"rendered":"<p>\u672c\u8eab\u8fd9\u4e2a\u811a\u672c\u6ca1\u6709\u4ec0\u4e48\u4f5c\u7528\uff0c\u7eaf\u7cb9\u662f\u89c9\u5f97\u597d\u73a9\u3002 \u6267\u884c\u4e0b\u9762\u8fd9\u4e2a\u547d\u4ee4\uff0c\u6211\u60f3\u5f97\u5230\u6700\u540e\u4e00\u5217\u7684\u6570\u636e\uff0c\u5176\u5b9e\u5c31\u662fls\u7684\u7ed3\u679c gentoo-pjq \/ # ls -lh \/ total 65K drwxr-xr-x 2 root root 4.0K 2009-11-11 21:56 bin drwxr-xr-x 4 root root 1.0K 2009-10-31 16:10 boot drwxr-xr-x 15 root root 3.9K 2009-11-15 10:33 dev drwxr-xr-x 94 root root 4.0K 2009-11-15<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[14],"tags":[],"class_list":["post-817","post","type-post","status-publish","format-standard","hentry","category-14"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.0 - 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