{"id":2196,"date":"2012-11-30T17:25:28","date_gmt":"2012-11-30T09:25:28","guid":{"rendered":"https:\/\/www.deepin.org\/?p=2196"},"modified":"2012-11-30T17:25:28","modified_gmt":"2012-11-30T09:25:28","slug":"split-and-concatenate-files-in-linux-deepin","status":"publish","type":"post","link":"https:\/\/www.deepin.cn\/zh\/split-and-concatenate-files-in-linux-deepin\/","title":{"rendered":"[\u6280\u5de7]Linux Deepin \u5206\u5272\u53ca\u91cd\u65b0\u5408\u5e76\u6587\u4ef6"},"content":{"rendered":"\u6709\u65f6\u6211\u4eec\u9700\u8981\u5c06\u4e00\u4e2a\u6587\u4ef6\u5206\u5272\u6210\u591a\u4e2a\u90e8\u5206\uff0c\u6216\u8005\u5c06\u4e00\u4e2a\u6587\u4ef6\u7684\u5404\u4e2a\u90e8\u5206\u91cd\u65b0\u5408\u5e76\u6210\u4e3a\u4e00\u4e2a\u6587\u4ef6\uff0c\u8be5\u600e\u6837\u505a\u5462\uff1f<\/p>\n

\u5206\u5272\u4e0e\u91cd\u65b0\u5408\u5e76\u6587\u4ef6\u65f6\uff0c\u6211\u4eec\u5206\u522b\u9700\u8981\u7528\u5230 split \u548c cat \u547d\u4ee4\u3002<\/p>\n

\u5206\u5272\u6587\u4ef6<\/h2>\n

\u5047\u8bbe\u6211\u4eec\u5728\u5f53\u524d\u76ee\u5f55\u4e0b\u53ea\u6709\u4e00\u4e2a\u6587\u4ef6 mysong.mp3\uff0c\u5176\u5927\u5c0f\u4e3a 5M\uff1a<\/p>\n

$ ls -lh\ntotal 5.0M\n-rw-rw-r-- 1 lee lee 5.0M Nov 30 15:43 mysong.mp3<\/pre>\n
\u5047\u8bbe\u6211\u4eec\u8981\u628a\u5b83\u5206\u4e3a\u5927\u5c0f\u76f8\u7b49\u7684\u4e94\u90e8\u5206\uff0c\u5e76\u4ee5\u6570\u5b57\u4f5c\u4e3a\u540e\u7f00\u3002\u6211\u4eec\u9700\u5230\u7528\u5230 split \u547d\u4ee4\u3002\u5176\u57fa\u672c\u53e5\u6cd5\u4e3a\uff1a<\/p>\n
$ split [\u9009\u9879] [\u8f93\u5165] [\u8f93\u51fa\u6587\u4ef6\u540d\u524d\u7f00]<\/pre>\n
\u56e0\u6b64\u5728\u8fd9\u91cc\uff0c\u6211\u4eec\u53ef\u4ee5\u8fd9\u6837\u505a\uff1a<\/p>\n
$ split -n 5 -d mysong.mp3 mysong.mp3.part\n$ ls -lh\ntotal 10M\n-rw-rw-r-- 1 lee lee  5.0M Nov 30 15:43 mysong.mp3\n-rw-rw-r-- 1 lee lee 1019K Nov 30 15:58 mysong.mp3.part00\n-rw-rw-r-- 1 lee lee 1019K Nov 30 15:58 mysong.mp3.part01\n-rw-rw-r-- 1 lee lee 1019K Nov 30 15:58 mysong.mp3.part02\n-rw-rw-r-- 1 lee lee 1019K Nov 30 15:58 mysong.mp3.part03\n-rw-rw-r-- 1 lee lee 1019K Nov 30 15:58 mysong.mp3.part04<\/pre>\n
\u5047\u8bbe\u6211\u4eec\u8981\u4e0a\u4f20\u4e00\u4e2a\u9644\u4ef6\uff0c\u5176\u5927\u5c0f\u4e0d\u80fd\u8d85\u8fc7 0.9M\uff0c\u901a\u8fc7\u8ba1\u7b97\uff1a
\n0.9 x 1024 = 921.6
\n\uff08\u4e3a\u4e86\u4fdd\u9669\u8d77\u89c1\uff0c\u6211\u4eec\u820d\u53bb\u4e86\u5c0f\u6570\u70b9\u540e\u7684\u503c\uff09<\/p>\n
$ rm mysong.mp3.part0{0..4}\n$ ls\nmysong.mp3\n$ split -b 921k -d mysong.mp3 mysong.mp3.part\nlee@lee-work ~\/test $ ls\nmysong.mp3         mysong.mp3.part01  mysong.mp3.part03  mysong.mp3.part05\nmysong.mp3.part00  mysong.mp3.part02  mysong.mp3.part04\nlee@lee-work ~\/test $ ls -lh\ntotal 10M\n-rw-rw-r-- 1 lee lee 5.0M Nov 30 15:43 mysong.mp3\n-rw-rw-r-- 1 lee lee 921K Nov 30 16:09 mysong.mp3.part00\n-rw-rw-r-- 1 lee lee 921K Nov 30 16:09 mysong.mp3.part01\n-rw-rw-r-- 1 lee lee 921K Nov 30 16:09 mysong.mp3.part02\n-rw-rw-r-- 1 lee lee 921K Nov 30 16:09 mysong.mp3.part03\n-rw-rw-r-- 1 lee lee 921K Nov 30 16:09 mysong.mp3.part04\n-rw-rw-r-- 1 lee lee 490K Nov 30 16:09 mysong.mp3.part05<\/pre>\n
-b: \u6bcf\u4e2a\u8f93\u51fa\u6587\u4ef6\u7684\u5927\u5c0f\uff0c\u5176\u5355\u4f4d\u53ef\u4e3a KB 1000, K 1024, MB 1000*1000, M 1024 \u53ca G, T, P, E, Z, Y\u3002
\n-d: \u4f7f\u7528\u6570\u5b57\u540e\u7f00\u800c\u975e\u5b57\u6bcd\u3002
\n-n: \u751f\u6210 N \u4e2a\u90e8\u5206\u7684\u8f93\u51fa\u6587\u4ef6\u3002<\/p>\n
\u5408\u5e76\u6587\u4ef6<\/h2>\n
\u5047\u8bbe\u6211\u4eec\u9700\u8981\u5c06\u4e0a\u9762\u7684 mysong.mp3.part0{0..5} \u91cd\u65b0\u5408\u5e76\u4e3a\u4e00\u4e2a\u6587\u4ef6\uff0c\u9700\u8981\u4f7f\u7528 cat \u547d\u4ee4\u3002cat \u4e3a concatenate \u7684\u7f29\u7565\u8bcd\uff0c\u7528\u4e8e\u8054\u7ed3\u591a\u4e2a\u6587\u4ef6\u6216\u6807\u51c6\u8f93\u5165\u5e76\u663e\u793a\u4e3a\u6807\u51c6\u8f93\u51fa\u3002\u5176\u57fa\u672c\u53e5\u5f0f\u4e3a\uff1a<\/p>\n
$ cat [\u9009\u9879] [\u6587\u4ef6]<\/pre>\n
\u5bf9\u4e8e\u8fd9\u4e2a\u4f8b\u5b50\uff0c\u6211\u4eec\u53ef\u4ee5\u8fd9\u6837\u505a\uff1a<\/p>\n
$ cat mysong.mp3.part* > mysong-reassembled.mp3\n$ ls\nmysong.mp3         mysong.mp3.part01  mysong.mp3.part03  mysong.mp3.part05\nmysong.mp3.part00  mysong.mp3.part02  mysong.mp3.part04  mysong-reassembled.mp3<\/pre>\n
\u8fd9\u91cc\u6211\u4eec\u518d\u5ef6\u4f38\u5730\u8bb2\u4e00\u4e0b cat \u7684\u7528\u6cd5\u3002
\ncat \u4f1a\u8bfb\u5165\u4f60\u7ed9\u5b83\u7684\u4efb\u4f55\u6587\u4ef6\uff08\u4f5c\u4e3a\u53c2\u6570\uff09\uff0c\u7136\u540e\u4f1a\u9010\u4e00\u5c06\u5404\u4e2a\u6587\u4ef6\u8f93\u51fa\u4e3a\u6807\u51c6\u8f93\u51fa\u3002\u5b83\u4f1a\u8054\u7ed3\u4efb\u4f55\u4f60\u7ed9\u5b83\u7684\u6587\u4ef6\uff08\u4f5c\u4e3a\u53c2\u6570\uff09\u3002<\/p>\n
\u4e3e\u4e2a\u7b80\u5355\u7684\u4f8b\u5b50\uff1a<\/p>\n
$ cat<\/pre>\n
\u6211\u4eec\u4f1a\u770b\u5230\uff0ccat \u5e76\u6ca1\u6709\u628a shell \u63d0\u793a\u7b26\u8fd8\u7ed9\u6211\u4eec\uff0c\u800c\u662f\u4e00\u76f4\u201c\u505c\u201d\u5728\u90a3\u91cc\u3002\u8fd9\u662f\u600e\u4e48\u56de\u4e8b\uff1f\u5f53\u6211\u4eec\u4e0d\u7ed9 cat \u4efb\u4f55\u53c2\u6570\u65f6\u8fd0\u884c cat \u65f6\uff0c cat \u4f1a\u4ece\u6807\u51c6\u8f93\u51fa\u4e2d\u8bfb\u5165\uff0c\u4ee5\u73b0\u5728\u7684\u60c5\u51b5\uff0c\u5c31\u662f\u4f60\u7684\u952e\u76d8\u3002\u4e5f\u5c31\u662f\u8bf4\uff0ccat \u4ecd\u7136\u5728\u7b49\u5f85\u6807\u51c6\u8f93\u5165\uff0c\u4efb\u4f55\u6211\u4eec\u952e\u5165\u7684\u5b57\u7b26\u90fd\u4f1a\u53d1\u9001\u7ed9 cat\uff0c\u5728\u4f60\u6572\u4e0b\u56de\u8f66\u65f6\uff0ccat \u5c31\u4f1a\u50cf\u5f80\u5e38\u4e00\u6837\u5c06\u6807\u51c6\u8f93\u5165\u663e\u793a\u8f93\u51fa\u5230\u6807\u51c6\u8f93\u51fa\uff1a<\/p>\n
$ cat\nnani?\nnani?<\/pre>\n
\u8bb8\u591a\u7f51\u4e0a\u7684\u4f8b\u5b50\u5728\u6211\u4eec\u60f3\u8981\u8bfb\u5165\u6587\u4ef6\u7684\u5185\u5bb9\u65f6\u603b\u662f\u544a\u8bc9\u6211\u4eec\u4f7f\u7528 cat\u3002\u8fd9\u662f\u4e0d\u5fc5\u8981\u7684\uff01cat \u53ea\u5728\u8054\u7ed3\u591a\u4e2a\u6587\u4ef6\u6216\u5feb\u901f\u5730\u5728\u547d\u4ee4\u884c\u4e0b\u67e5\u770b\u4e00\u6587\u4ef6\u5185\u5bb9\u65f6\u662f\u5b9e\u7528\u7684\u3002\u5728\u811a\u672c\u4e2d\u4e0d\u8981\u4f7f\u7528 cat \u901a\u8fc7\u7ba1\u9053\u5c06\u4e00\u6587\u4ef6\u8f93\u51fa\u5230\u547d\u4ee4\u3002\u8bf7\u8bb0\u4f4f\u8fd9\u4e2a\u63d0\u793a\u3002\u5728\u4e0d\u5fc5\u8981\u7684\u65f6\u5019\u4f7f\u7528 cat \u53ea\u4f1a\u521b\u5efa\u989d\u5916\u7684\u8fdb\u7a0b\uff0c\u800c\u4e14\u4f1a\u62d6\u6162\u8fd0\u884c\u901f\u5ea6\uff0c\u56e0\u4e3a cat \u4e0d\u80fd\u591f\u5206\u8fa8\u5b83\u8bfb\u5165\u7684\u6587\u4ef6\u7684\u7c7b\u578b\u4e0e\u4f5c\u7528\u3002<\/p>\n
\u5982\u4e0b\u9762\u7684\u8fd9\u4e2a\u4f8b\u5b50\uff08\u6765\u81ea\u94fe\u63a5<\/a>\uff09\uff1a<\/p>\n
$ cat apple.txt\ncore\nworm seed\njewel\n$ cat apple.txt | wc #bad,bad,bad!\n      3       4      21\n$<\/pre>\n
\u5728\u8fd9\u91cc\u6211\u4eec\u53ea\u9700\u8981\u5c06 apple.txt \u8fd9\u4e2a\u6587\u672c\u4f5c\u4e3a wc \u7684\u53c2\u6570\uff0c\u6216\u8005\u4f7f\u7528\u91cd\u5b9a\u5411 wc < apple.txt\u3002\u4f7f\u7528 cat \u4e0d\u4ec5\u5168\u65e0\u5fc5\u8981\uff0c\u800c\u4e14\u5bfc\u81f4\u4e86\u989d\u5916\u8fdb\u7a0b\u7684\u8fd0\u884c\u3002\n\n\u8fd8\u6709\u4e00\u70b9\u9700\u8981\u63d0\u9192\u7684\u662f\uff0c\u4e0d\u8981\u7528\u5f52\u6863\u547d\u4ee4\u5982\uff08rar\uff09\u53bb\u89e3\u538b\u4f7f\u7528 split \u5206\u5272\u7684\u538b\u7f29\u6863\u6848\uff0c\u9700\u8981\u4f7f\u7528 cat \u5408\u5e76\u538b\u7f29\u6587\u4ef6\u540e\u518d\u6b63\u5e38\u89e3\u538b\uff0c\u5426\u5219\u4f1a\u51fa\u9519\u3002\n\n<\/p>","protected":false},"excerpt":{"rendered":"
\u6709\u65f6\u6211\u4eec\u9700\u8981\u5c06\u4e00\u4e2a\u6587\u4ef6\u5206\u5272\u6210\u591a\u4e2a\u90e8\u5206\uff0c\u6216\u8005\u5c06\u4e00\u4e2a\u6587\u4ef6\u7684\u5404\u4e2a\u90e8\u5206\u91cd\u65b0\u5408\u5e76\u6210\u4e3a\u4e00\u4e2a\u6587\u4ef6\uff0c\u8be5\u600e\u6837\u505a\u5462\uff1f \u5206\u5272\u4e0e\u91cd\u65b0\u5408\u5e76\u6587\u4ef6\u65f6\uff0c\u6211\u4eec\u5206\u522b\u9700\u8981\u7528\u5230 split \u548c cat \u547d\u4ee4\u3002 \u5206\u5272\u6587\u4ef6 \u5047\u8bbe\u6211\u4eec\u5728\u5f53\u524d\u76ee\u5f55\u4e0b\u53ea\u6709\u4e00\u4e2a\u6587\u4ef6 mysong.mp3\uff0c\u5176\u5927\u5c0f\u4e3a 5M\uff1a $ ls -lh total 5.0M -rw-rw-r-- 1 lee lee 5.0M Nov 30 15:43 mysong.mp3 \u5047\u8bbe\u6211 ...\u9605\u8bfb\u66f4\u591a<\/a><\/p>\n","protected":false},"author":27,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[93],"tags":[],"_links":{"self":[{"href":"https:\/\/www.deepin.cn\/zh\/wp-json\/wp\/v2\/posts\/2196"}],"collection":[{"href":"https:\/\/www.deepin.cn\/zh\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.deepin.cn\/zh\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.deepin.cn\/zh\/wp-json\/wp\/v2\/users\/27"}],"replies":[{"embeddable":true,"href":"https:\/\/www.deepin.cn\/zh\/wp-json\/wp\/v2\/comments?post=2196"}],"version-history":[{"count":0,"href":"https:\/\/www.deepin.cn\/zh\/wp-json\/wp\/v2\/posts\/2196\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.deepin.cn\/zh\/wp-json\/wp\/v2\/media?parent=2196"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.deepin.cn\/zh\/wp-json\/wp\/v2\/categories?post=2196"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.deepin.cn\/zh\/wp-json\/wp\/v2\/tags?post=2196"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}