{"id":178,"date":"2014-06-27T03:11:33","date_gmt":"2014-06-27T03:11:33","guid":{"rendered":"http:\/\/ixyzero.com\/blog\/?p=178"},"modified":"2014-06-27T03:11:33","modified_gmt":"2014-06-27T03:11:33","slug":"shell%e6%95%b0%e7%bb%84%e8%af%a6%e8%a7%a3","status":"publish","type":"post","link":"https:\/\/ixyzero.com\/blog\/archives\/178.html","title":{"rendered":"Bash\u6570\u7ec4\u8be6\u89e3"},"content":{"rendered":"<p>Bash\u4e2d\u53ef\u4ee5\u4f7f\u7528<strong>\u6570\u7ec4<\/strong>\u53d8\u91cf\uff0c\u6709\u4e24\u79cd\u8d4b\u503c\u65b9\u5f0f\uff1a<\/p>\n<p>(1) name=(value1 &#8230; valuen) \u6b64\u65f6\u4e0b\u6807\u4ece0\u5f00\u59cb #\u666e\u901a\u6570\u7ec4<br \/>\n(2) name[index]=value \u00a0#\u5173\u8054\u6570\u7ec4<\/p>\n<p><strong>\u6570\u7ec4<\/strong>\u4e0b\u6807\u7684\u8303\u56f4\u6ca1\u6709\u4efb\u4f55\u9650\u5236\uff0c\u540c\u65f6\u4e5f\u4e0d\u5fc5\u4f7f\u7528\u8fde\u7eed\u7684\u5206\u91cf\u3002<\/p>\n<pre class=\"lang:default decode:true\">$ A=(a b c def)\n\n$ echo ${A[@]}          \/\/\u53d6\u6570\u7ec4\u4e2d\u7684\u5168\u90e8\u5143\u7d20\na b c def\n\n$ echo ${A[0]}         \/\/\u53d6\u6570\u7ec4\u7684\u7b2c\u4e00\u4e2a\u5143\u7d20\na\n\n\/\/\u53d6\u5f97\u6570\u7ec4\u5143\u7d20\u7684\u4e2a\u6570\n$ echo ${#A[@]}\n4\n$ echo ${#A[*]}\n4\n\n\/\/\u53d6\u6570\u7ec4\u7b2c\u56db\u4e2a\u5143\u7d20\u7684\u957f\u5ea6\uff08\u6570\u7ec4\u4e0b\u6807\u4ece0\u5f00\u59cb\uff09\n$ echo ${#A[3]}\n\n$ A[3]=ixyzero.com    \/\/\u5c06\u7b2c\u56db\u4e2a\u6570\u7ec4\u5143\u7d20\u91cd\u65b0\u8d4b\u503c\n$ echo ${A[@]}\na b c ixyzero.com\n\n\n\/\/\u6e05\u9664\u53d8\u91cf\n$ unset A\n$ echo ${A[@]}\n\n\/\/\u6e05\u7a7a\u53d8\u91cf\uff0c\u5373\u5c06\u503c\u53d8\u4e3a\u7a7a\n$ A=()\n$ echo ${A[@]}\n\n#\u5efa\u7acb\u6570\u7ec4\narrSource=( \"arrJobs.php\" \"arrSub.php\" \"arrFirst.php\" )\n\narrDest=(\"buildhr\"\n\"buildtrain\/htdocs\"\n\"bankhr\"\n\"healthr\"\n\"elehr\"\n)\n\n#\u53d6\u6570\u7ec4\u5143\u7d20\u4e2a\u6570\nlenArrSource=${#arrSource[*]}\n\n#\u5faa\u73af\u5217\u51fa\u6570\u7ec4\u5143\u7d20\u2014\u2014\u6570\u7ec4\u4e0b\u6807\u9012\u589e\ni=0\nwhile [ $i -lt $lenArrSource ]\ndo\n    echo ${arrSource[$i]}\n    let i++\ndone\n\n#\u5faa\u73af\u5217\u51fa\u6570\u7ec4\u5143\u7d20\u2014\u2014\u6570\u7ec4\u5143\u7d20\u904d\u5386\nfor item in ${arrDest[@]}\ndo\n    echo $item\ndone\n\n\n#\u6e90\u6587\u4ef6\narrSource=(\"\/home\/apache\/htdocs\/login_jump.php\")\n#\u76ee\u6807\u7f51\u7ad9\narrDest=(ithr elehr buildhr bankhr healthr  ctvhr chenhr mechr clothr cneduhr 56hr tourhr foodhr greenhr cnlawhr waimaohr)\n\nfor outer in ${arrSource[*]}    # ${arrSource[*]} \u662f\u6570\u7ec4\u4e2d\u7684\u6240\u6709\u5143\u7d20\ndo\n    for inner in ${arrDest[*]}\n    do\n        echo  \"ln -s $outer \/home\/${inner}\/campus\/\"\n    done\ndone<\/pre>\n<h6>\u66f4\u591a\u53c2\u8003\u94fe\u63a5\uff1a<\/h6>\n<ul>\n<li><a href=\"http:\/\/www.cnblogs.com\/chengmo\/archive\/2010\/09\/30\/1839632.html\">linux shell \u6570\u7ec4\u5efa\u7acb\u53ca\u4f7f\u7528\u6280\u5de7<\/a><\/li>\n<li><a href=\"http:\/\/www.cnblogs.com\/chengmo\/archive\/2010\/10\/14\/1851517.html\">linux shell \u52a8\u6001\u751f\u6210 \u6570\u7ec4\u7cfb\u5217 seq\u4f7f\u7528\u6280\u5de7<\/a><\/li>\n<li><a href=\"http:\/\/liwei.life\/2016\/06\/06\/shell%E7%BC%96%E7%A8%8B%E4%B9%8B%E7%89%B9%E6%AE%8A%E7%AC%A6%E5%8F%B7\/\">shell\u7f16\u7a0b\u4e4b\u7279\u6b8a\u7b26\u53f7<\/a><\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>Bash\u4e2d\u53ef\u4ee5\u4f7f\u7528\u6570\u7ec4\u53d8\u91cf\uff0c\u6709\u4e24\u79cd\u8d4b\u503c\u65b9\u5f0f\uff1a (1) name=(value1 &#8230; valuen) [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[11,7],"tags":[65],"class_list":["post-178","post","type-post","status-publish","format-standard","hentry","category-linux","category-programing","tag-shell"],"views":2643,"_links":{"self":[{"href":"https:\/\/ixyzero.com\/blog\/wp-json\/wp\/v2\/posts\/178","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/ixyzero.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/ixyzero.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/ixyzero.com\/blog\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/ixyzero.com\/blog\/wp-json\/wp\/v2\/comments?post=178"}],"version-history":[{"count":0,"href":"https:\/\/ixyzero.com\/blog\/wp-json\/wp\/v2\/posts\/178\/revisions"}],"wp:attachment":[{"href":"https:\/\/ixyzero.com\/blog\/wp-json\/wp\/v2\/media?parent=178"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/ixyzero.com\/blog\/wp-json\/wp\/v2\/categories?post=178"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/ixyzero.com\/blog\/wp-json\/wp\/v2\/tags?post=178"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}