1.\u547d\u4ee4\u7b80\u4ecb<\/strong><\/div>\n
\u5c06\u4e24\u4e2a\u6587\u4ef6\u6309\u7167\u6307\u5b9a\u7684\u76f8\u540c\u5b57\u6bb5\u8fdb\u884c\u7b1b\u5361\u5c14\u4e58\u79ef\u6a2a\u5411\u62fc\u63a5\uff0c\u5e76\u8f93\u51fa\u5230\u6807\u51c6\u8f93\u51fa\u3002\u9ed8\u8ba4\u60c5\u51b5\u4e0b\uff0cjoin \u5b57\u6bb5\u5206\u9694\u7b26\u662f\u7a7a\u683c\u6216 Tab\u3002join \u65f6\uff0c\u4e24\u4e2a\u6587\u4ef6\u9700\u8981\u6309\u7167\u67d0\u4e2a\u5b57\u6bb5\u6392\u597d\u5e8f\u3002<\/p>\n
\u7b1b\u5361\u5c14\u4e58\u79ef\u6307\u4e24\u4e2a\u96c6\u5408 X \u548c Y \u6210\u5458\u76f8\u4e92\u7ec4\u5408\u6784\u6210\u7684\u6709\u5e8f\u5bf9\u7684\u96c6\u5408\u3002\u6bd4\u5982\u96c6\u5408 X={a,b}\uff0cY={0,1,2}\uff0c\u5219<\/p>\n
X\u00d7Y={(a, 0), (a, 1), (a, 2), (b, 0), (b, 1), (b, 2)}\r\nY\u00d7X={(0, a), (0, b), (1, a), (1, b), (2, a), (2, b)}<\/pre>\n
2.\u547d\u4ee4\u683c\u5f0f<\/strong><\/div>\n
join [OPTIONS] FILE1 FILE2
\n\u5f53 FILE1 \u6216 FILE2 \u662f\u8fde\u5b57\u7b26 -\uff08\u4e8c\u8005\u4e0d\u80fd\u540c\u65f6\u662f -\uff09\uff0c\u90a3\u4e48\u5185\u5bb9\u4ece\u6807\u51c6\u8f93\u5165\u8bfb\u53d6\u3002<\/p>\n
3.\u9009\u9879\u8bf4\u660e<\/strong><\/div>\n
-a FILENUM\r\n \u9664\u4e86\u663e\u793a\u539f\u6765\u7684\u8f93\u51fa\u5185\u5bb9\u4e4b\u5916\uff0c\u8fd8\u663e\u793a\u6587\u4ef6\u4e2d\u6ca1\u6709\u76f8\u540c\u680f\u4f4d\u7684\u884c\u3002FILENUM \u53d6\u503c\u4e3a 1 \u6216 2\uff0c\u5206\u522b\u5bf9\u5e94 FILE1 \u548c FILE2\r\n-e EMPTY\r\n \u82e5 FILE1 \u4e0e FILE2 \u4e2d\u627e\u4e0d\u5230\u6307\u5b9a\u7684\u5217\uff0c\u5219\u5728\u8f93\u51fa\u4e2d\u586b\u5165\u9009\u9879\u4e2d\u7684\u5b57\u7b26\u4e32\r\n-i, --igore-case\r\n \u6bd4\u8f83\u5217\u5185\u5bb9\u65f6\uff0c\u5ffd\u7565\u5927\u5c0f\u5199\r\n-j FIELD\r\n \u7b49\u4ef7\u4e8e -1 FIELD -2 FIELD\r\n-o FORMAT\r\n \u6309\u7167\u6307\u5b9a\u7684\u683c\u5f0f\u663e\u793a\u7ed3\u679c\r\n-t CHAR\r\n \u6307\u5b9a\u8f93\u5165\u548c\u8f93\u51fa\u5217\u7684\u5206\u9694\u5b57\u7b26\r\n-v FILENUM\r\n \u4f5c\u7528\u7c7b\u4f3c\u4e8e -a FILENUM\uff0c\u4f46\u662f\u53ea\u663e\u793a\u6587\u4ef6\u4e2d\u6ca1\u6709\u76f8\u540c\u5217\u7684\u884c\r\n-1 FIELD\r\n \u8fde\u63a5 FILE1 \u6307\u5b9a\u7684\u5217\u3002FIELD \u53d6 1 \u8868\u793a\u7b2c\u4e00\u5217\uff0c2 \u8868\u793a\u7b2c\u4e8c\u5217\uff0c\u4ee5\u6b64\u7c7b\u63a8\r\n-2 FIELD\r\n \u8fde\u63a5 FILE2 \u6307\u5b9a\u7684\u5217\u3002FIELD \u53d6 1 \u8868\u793a\u7b2c\u4e00\u5217\uff0c2 \u8868\u793a\u7b2c\u4e8c\u5217\uff0c\u4ee5\u6b64\u7c7b\u63a8\r\n--check-order\r\n \u9ed8\u8ba4\u9009\u9879\uff0c\u68c0\u67e5\u6587\u4ef6\u662f\u5426\u5df2\u7ecf\u6392\u5e8f\r\n--nocheck-order\r\n \u4e0d\u68c0\u67e5\u68c0\u67e5\u6587\u4ef6\u662f\u5426\u5df2\u7ecf\u6392\u5e8f\r\n--help\r\n \u663e\u793a\u5e2e\u52a9\u4fe1\u606f\u5e76\u9000\u51fa\r\n--version\r\n \u663e\u793a\u7248\u672c\u4fe1\u606f\u5e76\u9000\u51fa<\/pre>\n
4.\u5e38\u7528\u793a\u4f8b<\/strong><\/div>\n
\uff081\uff09\u8fde\u63a5\u4e24\u4e2a\u6587\u4ef6\uff0c\u9ed8\u8ba4\u4ee5\u7b2c\u4e00\u5217\u4f5c\u4e3a\u8fde\u63a5\u5b57\u6bb5\u3002<\/strong><\/span><\/div>\n
# file1 \u5185\u5bb9\u5982\u4e0b\r\nlvlv dablelv 25\r\nzhangsan San 12\r\n\r\n# file2 \u5185\u5bb9\u5982\u4e0b\r\nlvlv english 15\r\nlvlv math 75\r\nzhangsan math 14\r\nzhouxun english 45\r\n\r\njoin file1 file2\r\nlvlv dablelv 25 english 15\r\nlvlv dablelv 25 math 75\r\nzhangsan San 12 math 14<\/pre>\n
\uff082\uff09\u8fd8\u662f\u4ee5\u4e0a\u9762\u7684\u4e24\u4e2a\u6587\u4ef6\u4e3a\u4f8b\uff0c\u663e\u793a\u6307\u660e\u6309\u7167\u7b2c\u4e00\u5217\u4e2d\u6587\u540d\u8fdb\u884c\u8fde\u63a5\u3002<\/strong><\/span><\/div>\n
join -j 1 file1 file2\r\n# \u6216\r\njoin -1 1 -2 1 file1 file2<\/pre>\n
\uff083\uff09\u5982\u679c\u60f3\u663e\u793a\u6ca1\u6709\u76f8\u540c\u5b57\u6bb5\u7684\u884c\uff0c\u4f7f\u7528 -a1 \u6216 -a2 \u6307\u5b9a\u663e\u793a\u7b2c\u4e00\u4e2a\u6216\u8005\u7b2c\u4e8c\u4e2a\u6587\u4ef6\u7684\u884c\u3002<\/strong><\/span><\/div>\n
join -a2 file1 file2\r\nlvlv dablelv 25 english 15\r\nlvlv dablelv 25 math 75\r\nzhangsan San 12 math 14\r\nzhouxun english 45 \/\/\u663e\u793a\u4e86\u6587\u4ef6 file2 \u4e2d\u672a\u5339\u914d\u7684\u4e00\u884c<\/pre>\n","protected":false},"excerpt":{"rendered":"
\u5c06\u4e24\u4e2a\u6587\u4ef6\u6309\u7167\u6307\u5b9a\u7684\u76f8\u540c\u5b57\u6bb5\u8fdb\u884c\u7b1b\u5361\u5c14\u4e58\u79ef\u6a2a\u5411\u62fc\u63a5\uff0c\u5e76\u8f93\u51fa\u5230\u6807\u51c6\u8f93\u51fa\u3002\u9ed8\u8ba4\u60c5\u51b5\u4e0b\uff0cjoin \u5b57\u6bb5\u5206\u9694\u7b26\u662f\u7a7a\u683c\u6216 […]<\/p>\n","protected":false},"author":1469,"featured_media":211765,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[55],"tags":[],"class_list":["post-211762","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-thread"],"acf":[],"_links":{"self":[{"href":"https:\/\/lrxjmw.cn\/wp-json\/wp\/v2\/posts\/211762","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/lrxjmw.cn\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/lrxjmw.cn\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/lrxjmw.cn\/wp-json\/wp\/v2\/users\/1469"}],"replies":[{"embeddable":true,"href":"https:\/\/lrxjmw.cn\/wp-json\/wp\/v2\/comments?post=211762"}],"version-history":[{"count":2,"href":"https:\/\/lrxjmw.cn\/wp-json\/wp\/v2\/posts\/211762\/revisions"}],"predecessor-version":[{"id":211766,"href":"https:\/\/lrxjmw.cn\/wp-json\/wp\/v2\/posts\/211762\/revisions\/211766"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/lrxjmw.cn\/wp-json\/wp\/v2\/media\/211765"}],"wp:attachment":[{"href":"https:\/\/lrxjmw.cn\/wp-json\/wp\/v2\/media?parent=211762"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/lrxjmw.cn\/wp-json\/wp\/v2\/categories?post=211762"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/lrxjmw.cn\/wp-json\/wp\/v2\/tags?post=211762"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}