\u4e00\u5f00\u59cb\uff0c\u6211\u4eec\u5148\u60f3\u8fd9\u6837\u7684\u95ee\u9898\uff1a<\/p>\n
\u6211\u4eec\u8981\u6267\u884c\u547d\uff1acp -r newdir dir\/ \u3002\u800c\u5728dir\/\u4e0b\u5df2\u7ecf\u5b58\u5728\u4e86newdir\/\u76ee\u5f55\u3002\u90a3\u4e48\u6267\u884c\u4e86\u6b64\u6761\u547d\u4ee4\uff0c\u4f1a\u4ea7\u751f\u4ec0\u4e48\u7ed3\u679c\uff1f<\/p>\n
my_cp\u7684\u7ed3\u679c\u662f\u5220\u9664\u76ee\u7684newdir\u76ee\u5f55\uff0c\u5c06\u6e90\u76ee\u5f55\u590d\u5236\u5230dir\/\u4e0b\u3002\u5982\u679c\u4f60\u5bf9cp\u8db3\u591f\u4e86\u89e3(\u4e0d\u4e86\u89e3\uff1ftrrrrrrrrry)\uff0c\u8fd9\u4e48\u505a\u663e\u7136\u662f\u4e0d\u5b8c\u7f8e\u7684\u3002cp\u547d\u4ee4\u7684\u7ed3\u679c\u662f\uff1a\u4e0d\u5b8c\u5168\u7684\u8986\u76d6\u3002\u5177\u4f53\u662f\uff0c1.\u5bf9newdir\/\u548cdir\/newdir\/\u4e2d\u90fd\u5b58\u5728\u7684\u6587\u4ef6file\uff0cnewdir\u4e2d\u7684file\u5c06\u4f1a\u8986\u76d6dir\/newdir\/\u4e2d\u7684file\uff1b2.\u5bf9\u4e8enewdir\/\u4e2d\u5b58\u5728\u800cdir\/newdir\u4e2d\u4e0d\u5b58\u5728\u7684\u6587\u4ef6\uff0c\u76f4\u63a5\u521b\u5efa\u65b0\u6587\u4ef6\u8fdb\u884c\u62f7\u8d1d\uff1b3.\u5bf9\u4e8enewdir\/\u4e2d\u4e0d\u5b58\u5728\u800cdir\/newdir\u4e2d\u5b58\u5728\u7684\u6587\u4ef6\uff0c\u6b64\u6b21\u64cd\u4f5c\u5bf9\u8fd9\u4e2a\u6587\u4ef6\u6ca1\u6709\u5f71\u54cd\u3002\u6ce8\u610f\uff0c\u4e0a\u8ff0\u4e2d\u7684\u8986\u76d6\u6216\u62f7\u8d1d\u53ea\u6d89\u53ca\u5230\u6587\u4ef6\u5185\u5bb9\uff0c\u81f3\u4e8e\u6587\u4ef6\u6743\u9650\u7684\u62f7\u8d1d\uff0c\u5219\u9700\u6dfb\u52a0-p\u9009\u9879\uff08\u5173\u4e8e\u6b64\u9009\u9879\u53ef\u53c2\u89c1\u8fd9\u91cc<\/a>\u7684\u6587\u7ae0\uff09\u3002<\/p>\n \u672c\u6587\u5c31\u662f\u8981\u5bf9my_cp\u8fdb\u884c\u4fee\u6539\uff0c\u8ba9\u5176\u529f\u80fd\u548ccp\u547d\u4ee4\u76f8\u540c\u3002\u5f53\u524dmy_cp\u5bf9\u4e0a\u8ff0\u60c5\u51b5\u7684\u5904\u7406\u5c31\u662f\u76f4\u63a5\u5220\u9664dir\/newdir\u8fd9\u4e2a\u539f\u6587\u4ef6\u5939\uff0c\u7136\u540e\u53c8\u65b0\u5efadir\/newdir\u3002\u5f53\u7136\u6b64\u65f6\u65b0\u5efa\u7684newdir\u4e2d\u7684\u6587\u4ef6\u662f\u548c\u6e90newdir\u76f8\u540c\u7684\u3002<\/p>\n \u6211\u4eec\u7684\u4fee\u6539\u65b9\u6848\u5176\u5b9e\u5f88\u7b80\u5355\uff01\u6211\u4eec\u5148\u68c0\u67e5\u76ee\u7684\u76ee\u5f55\u662f\u5426\u5b58\u5728\uff1b\u5b58\u5728\u65f6\uff0c\u6211\u4eec\u518d\u63d0\u53d6\u6e90\u8def\u5f84\u4e2d\u7684\u6700\u4f4e\u7ea7\u76ee\u5f55\uff08\u5b58\u50a8\u4e8elowestdir\u4e2d\uff09\u3002\u5c06\u5176\u4e0e\u76ee\u7684\u76ee\u5f55\u8fde\u63a5\uff0c\u518d\u5b58\u4e8etemp_dest_path\u53d8\u91cf\u4e2d\u3002\u6211\u4eec\u518d\u68c0\u67e5temp_dest_path\u4e2d\u7684\u8def\u5f84\u662f\u5426\u5b58\u5728\uff0c\u5b58\u5728\u8bf4\u660e\u6211\u4eec\u4e0d\u80fd\u5b8c\u5168\u7684\u8986\u76d6\uff08\u5982\u4e0a\u8ff0\u4e3e\u4f8b\uff09\uff01\u90a3\u4e48\u6211\u4eec\u73b0\u5728\u5c31\u53ef\u4ee5\u786e\u5b9atemp_dest_path\u5c31\u662f\u6211\u4eec\u63a5\u4e0b\u6765\u8981\u7528\u5230\u7684\u76ee\u7684\u76ee\u5f55\uff0c\u6211\u4eecj\u5c06\u5176\u590d\u5236\u5230dest_path\u4e2d\u5373\u53ef\u3002\u5982\u679ctemp_dest_path\u4e0d\u5b58\u5728\uff0c\u90a3\u4e48\u76f4\u63a5\u5728\u76ee\u7684\u76ee\u5f55\u4e0b\u65b0\u5efalowestdir\u8fd9\u4e2a\u76ee\u5f55\uff0c\u6211\u4eec\u7528\u5230mkdir\u8fd9\u4e2a\u51fd\u6570\u3002<\/p>\n \u5bf9\u4e8e\u4e0a\u8ff0\u5f00\u59cb\u7684\u4e3e\u4f8b\uff0c\u6211\u4eec\u9996\u5148\u63d0\u53d6lowestdir=”newdir”\uff1b\u7136\u540etemp_dest_path=”dir\/newdir”;\u4ece\u5df2\u77e5\u4e2d\uff0c\u6211\u4eec\u77e5\u9053temp_dest_path\u4e2d\u7684\u8def\u5f84\u662f\u5b58\u5728\u7684\uff0c\u56e0\u6b64\u6211\u4eec\u53ea\u662f\u5c06\u5b83\u91cc\u9762\u5b58\u50a8\u7684\u8def\u5f84\u590d\u5236\u5230dest_path\u4e2d\u5373\u53ef\u3002 \u6211\u4eec\u518d\u6765\u770b\u4e00\u4e0b\u4fee\u6539\u540e\u7684\u8fd0\u884c\u7ed3\u679c\uff1a<\/p>\n ok\u3002\u4fee\u6539\u5b8c\u6bd5\u3002<\/p>\n","protected":false},"excerpt":{"rendered":" \u4e00\u5f00\u59cb\uff0c\u6211\u4eec\u5148\u60f3\u8fd9\u6837\u7684\u95ee\u9898\uff1a \u6211\u4eec\u8981\u6267\u884c\u547d\uff1acp -r newdir dir\/ \u3002\u800c\u5728dir\/\u4e0b\u5df2\u7ecf\u5b58\u5728\u4e86ne […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[109,107],"class_list":["post-1029","post","type-post","status-publish","format-standard","hentry","category-linuxc","tag-c","tag-107"],"views":5265,"_links":{"self":[{"href":"http:\/\/edsionte.com\/techblog\/wp-json\/wp\/v2\/posts\/1029","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/edsionte.com\/techblog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/edsionte.com\/techblog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/edsionte.com\/techblog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/edsionte.com\/techblog\/wp-json\/wp\/v2\/comments?post=1029"}],"version-history":[{"count":0,"href":"http:\/\/edsionte.com\/techblog\/wp-json\/wp\/v2\/posts\/1029\/revisions"}],"wp:attachment":[{"href":"http:\/\/edsionte.com\/techblog\/wp-json\/wp\/v2\/media?parent=1029"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/edsionte.com\/techblog\/wp-json\/wp\/v2\/categories?post=1029"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/edsionte.com\/techblog\/wp-json\/wp\/v2\/tags?post=1029"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}
\n\u4ee5\u4e0a\u6240\u8ff0\u5185\u5bb9\u7684\u5177\u4f53\u5b9e\u73b0\u8be6\u89c1\u4e0b\u9762\u7684\u4ee3\u7801\uff1a<\/p>\n\t\t\t\/\/extract the lowest directory of src path\r\n\t\t\tint i,k=0;\r\n\t\t\tchar lowestdir[PATH_MAX+1];\r\n\t\t\tchar temp_dest_path[PATH_MAX+1]={'\\0'};\r\n\t\t\tstruct stat temp_dest_buf;\r\n\t\t\tfor(i=strlen(src_path)-1-1;i>\\0;i--)\r\n\t\t\t{\r\n\t\t\t\tif(src_path[i]=='\/')\r\n\t\t\t\t{\r\n\t\t\t\t\ti=i+1;\r\n\t\t\t\t\tbreak;\r\n\t\t\t\t}\r\n\t\t\t}\r\n\t\t\tfor(;i<\\strlen(src_path);i++)\r\n\t\t\t{\r\n\t\t\t\tlowestdir[k++]=src_path[i];\r\n\t\t\t}\r\n\t\t\tlowestdir[k]='\\0';\r\n\t\t\tstrncpy(temp_dest_path,dest_path,strlen(dest_path));\r\n\t\t\tstrncat(temp_dest_path,lowestdir,strlen(lowestdir));\r\n\r\n\t\t\tif(stat(temp_dest_path,&temp_dest_buf)==0)\r\n\t\t\t{\r\n\t\t\t\tstrncpy(dest_path,temp_dest_path,strlen(temp_dest_path));\r\n\t\t\t}\r\n\t\t\telse\r\n\t\t\t{\r\n\t\t\t\tif(mkdir(temp_dest_path,S_IRWXU|S_IRGRP|S_IXGRP|S_IROTH|S_IXOTH)==-1)\r\n\t \t{\r\n\t\t\t\t\tprintf(\"my_cp:create the directory \\\"%s\\\" error.\\n\",dest_path);\r\n\t \t\t return ;\r\n\t \t}\r\n\t\t\t\tstrncpy(dest_path,temp_dest_path,strlen(temp_dest_path));\r\n\t\t\t}<\/pre>\ngues@huangwei-desktop:~\/code\/shell_command$ ls newdir\/ -l\r\n\u603b\u7528\u91cf 12\r\ndrwxr-xr-x 2 gues gues 4096 2010-08-08 21:21 littedir\r\n-rw-r--r-- 1 gues gues 221 2010-08-09 17:05 my_ls.c\r\n-rw-r--r-- 1 gues gues 15 2010-08-09 16:13 srchasthisfile\r\ngues@huangwei-desktop:~\/code\/shell_command$ ls dir\/newdir\/ -l\r\n\u603b\u7528\u91cf 12\r\n-rw-r--r-- 1 gues gues 15 2010-08-09 17:45 desthasthisfile\r\n-rw-r--r-- 1 gues gues 221 2010-08-09 17:45 hello.c\r\ndrwxr-xr-x 2 gues gues 4096 2010-08-09 17:45 littedir\r\ngues@huangwei-desktop:~\/code\/shell_command$ cp newdir\/ -r dir\/\r\ngues@huangwei-desktop:~\/code\/shell_command$ ls dir\/newdir\/ -l\r\n\u603b\u7528\u91cf 20\r\n-rw-r--r-- 1 gues gues 15 2010-08-09 17:45 desthasthisfile\r\n-rw-r--r-- 1 gues gues 221 2010-08-09 17:45 hello.c\r\ndrwxr-xr-x 2 gues gues 4096 2010-08-09 17:45 littedir\r\n-rw-r--r-- 1 gues gues 221 2010-08-09 17:47 my_ls.c\r\n-rw-r--r-- 1 gues gues 15 2010-08-09 17:47 srchasthisfile<\/pre>\n