{"id":118,"date":"2019-02-10T18:03:08","date_gmt":"2019-02-10T10:03:08","guid":{"rendered":"http:\/\/b.yesiyu.top\/?p=118"},"modified":"2019-02-10T18:03:08","modified_gmt":"2019-02-10T10:03:08","slug":"shell-%e4%bc%a0%e9%80%92%e5%8f%82%e6%95%b0","status":"publish","type":"post","link":"https:\/\/b.yesiyu.top\/?p=118","title":{"rendered":"Shell \u4f20\u9012\u53c2\u6570"},"content":{"rendered":"<div class=\"article-body\">\n<div id=\"content\" class=\"article-intro\">\n<h1>Shell \u4f20\u9012\u53c2\u6570<\/h1>\n<p>\u6211\u4eec\u53ef\u4ee5\u5728\u6267\u884c Shell \u811a\u672c\u65f6\uff0c\u5411\u811a\u672c\u4f20\u9012\u53c2\u6570\uff0c\u811a\u672c\u5185\u83b7\u53d6\u53c2\u6570\u7684\u683c\u5f0f\u4e3a\uff1a<b>$n<\/b>\u3002<b>n<\/b>\u00a0\u4ee3\u8868\u4e00\u4e2a\u6570\u5b57\uff0c1 \u4e3a\u6267\u884c\u811a\u672c\u7684\u7b2c\u4e00\u4e2a\u53c2\u6570\uff0c2 \u4e3a\u6267\u884c\u811a\u672c\u7684\u7b2c\u4e8c\u4e2a\u53c2\u6570\uff0c\u4ee5\u6b64\u7c7b\u63a8\u2026\u2026<\/p>\n<h3>\u5b9e\u4f8b<\/h3>\n<p>\u4ee5\u4e0b\u5b9e\u4f8b\u6211\u4eec\u5411\u811a\u672c\u4f20\u9012\u4e09\u4e2a\u53c2\u6570\uff0c\u5e76\u5206\u522b\u8f93\u51fa\uff0c\u5176\u4e2d\u00a0<strong>$0<\/strong>\u00a0\u4e3a\u6267\u884c\u7684\u6587\u4ef6\u540d\uff1a<\/p>\n<pre class=\"prettyprint prettyprinted\"><span class=\"com\">#!\/bin\/bash<\/span>\r\n<span class=\"com\"># author:\u83dc\u9e1f\u6559\u7a0b<\/span>\r\n<span class=\"com\"># url:www.runoob.com<\/span><span class=\"pln\">\r\n\r\necho <\/span><span class=\"str\">\"Shell \u4f20\u9012\u53c2\u6570\u5b9e\u4f8b\uff01\"<\/span><span class=\"pun\">;<\/span><span class=\"pln\">\r\necho <\/span><span class=\"str\">\"\u6267\u884c\u7684\u6587\u4ef6\u540d\uff1a$0\"<\/span><span class=\"pun\">;<\/span><span class=\"pln\">\r\necho <\/span><span class=\"str\">\"\u7b2c\u4e00\u4e2a\u53c2\u6570\u4e3a\uff1a$1\"<\/span><span class=\"pun\">;<\/span><span class=\"pln\">\r\necho <\/span><span class=\"str\">\"\u7b2c\u4e8c\u4e2a\u53c2\u6570\u4e3a\uff1a$2\"<\/span><span class=\"pun\">;<\/span><span class=\"pln\">\r\necho <\/span><span class=\"str\">\"\u7b2c\u4e09\u4e2a\u53c2\u6570\u4e3a\uff1a$3\"<\/span><span class=\"pun\">;<\/span><\/pre>\n<p>\u4e3a\u811a\u672c\u8bbe\u7f6e\u53ef\u6267\u884c\u6743\u9650\uff0c\u5e76\u6267\u884c\u811a\u672c\uff0c\u8f93\u51fa\u7ed3\u679c\u5982\u4e0b\u6240\u793a\uff1a<\/p>\n<pre class=\"prettyprint prettyprinted\"><span class=\"pln\">$ chmod <\/span><span class=\"pun\">+<\/span><span class=\"pln\">x test<\/span><span class=\"pun\">.<\/span><span class=\"pln\">sh \r\n$ <\/span><span class=\"pun\">.\/<\/span><span class=\"pln\">test<\/span><span class=\"pun\">.<\/span><span class=\"pln\">sh <\/span><span class=\"lit\">1<\/span> <span class=\"lit\">2<\/span> <span class=\"lit\">3<\/span>\r\n<span class=\"typ\">Shell<\/span> <span class=\"pun\">\u4f20\u9012\u53c2\u6570\u5b9e\u4f8b\uff01<\/span>\r\n<span class=\"pun\">\u6267\u884c\u7684\u6587\u4ef6\u540d\uff1a.\/<\/span><span class=\"pln\">test<\/span><span class=\"pun\">.<\/span><span class=\"pln\">sh\r\n<\/span><span class=\"pun\">\u7b2c\u4e00\u4e2a\u53c2\u6570\u4e3a\uff1a<\/span><span class=\"lit\">1<\/span>\r\n<span class=\"pun\">\u7b2c\u4e8c\u4e2a\u53c2\u6570\u4e3a\uff1a<\/span><span class=\"lit\">2<\/span>\r\n<span class=\"pun\">\u7b2c\u4e09\u4e2a\u53c2\u6570\u4e3a\uff1a<\/span><span class=\"lit\">3<\/span><\/pre>\n<p>\u53e6\u5916\uff0c\u8fd8\u6709\u51e0\u4e2a\u7279\u6b8a\u5b57\u7b26\u7528\u6765\u5904\u7406\u53c2\u6570\uff1a<\/p>\n<table class=\"reference\">\n<tbody>\n<tr>\n<th>\u53c2\u6570\u5904\u7406<\/th>\n<th>\u8bf4\u660e<\/th>\n<\/tr>\n<tr>\n<td>$#<\/td>\n<td>\u4f20\u9012\u5230\u811a\u672c\u7684\u53c2\u6570\u4e2a\u6570<\/td>\n<\/tr>\n<tr>\n<td>$*<\/td>\n<td>\u4ee5\u4e00\u4e2a\u5355\u5b57\u7b26\u4e32\u663e\u793a\u6240\u6709\u5411\u811a\u672c\u4f20\u9012\u7684\u53c2\u6570\u3002<br \/>\n\u5982&#8221;$*&#8221;\u7528\u300c&#8221;\u300d\u62ec\u8d77\u6765\u7684\u60c5\u51b5\u3001\u4ee5&#8221;$1 $2 \u2026 $n&#8221;\u7684\u5f62\u5f0f\u8f93\u51fa\u6240\u6709\u53c2\u6570\u3002<\/td>\n<\/tr>\n<tr>\n<td>$$<\/td>\n<td>\u811a\u672c\u8fd0\u884c\u7684\u5f53\u524d\u8fdb\u7a0bID\u53f7<\/td>\n<\/tr>\n<tr>\n<td>$!<\/td>\n<td>\u540e\u53f0\u8fd0\u884c\u7684\u6700\u540e\u4e00\u4e2a\u8fdb\u7a0b\u7684ID\u53f7<\/td>\n<\/tr>\n<tr>\n<td>$@<\/td>\n<td>\u4e0e$*\u76f8\u540c\uff0c\u4f46\u662f\u4f7f\u7528\u65f6\u52a0\u5f15\u53f7\uff0c\u5e76\u5728\u5f15\u53f7\u4e2d\u8fd4\u56de\u6bcf\u4e2a\u53c2\u6570\u3002<br \/>\n\u5982&#8221;$@&#8221;\u7528\u300c&#8221;\u300d\u62ec\u8d77\u6765\u7684\u60c5\u51b5\u3001\u4ee5&#8221;$1&#8243; &#8220;$2&#8221; \u2026 &#8220;$n&#8221; \u7684\u5f62\u5f0f\u8f93\u51fa\u6240\u6709\u53c2\u6570\u3002<\/td>\n<\/tr>\n<tr>\n<td>$-<\/td>\n<td>\u663e\u793aShell\u4f7f\u7528\u7684\u5f53\u524d\u9009\u9879\uff0c\u4e0e<a href=\"http:\/\/www.runoob.com\/linux\/linux-comm-set.html\" target=\"_blank\" rel=\"noopener\">set\u547d\u4ee4<\/a>\u529f\u80fd\u76f8\u540c\u3002<\/td>\n<\/tr>\n<tr>\n<td>$?<\/td>\n<td>\u663e\u793a\u6700\u540e\u547d\u4ee4\u7684\u9000\u51fa\u72b6\u6001\u30020\u8868\u793a\u6ca1\u6709\u9519\u8bef\uff0c\u5176\u4ed6\u4efb\u4f55\u503c\u8868\u660e\u6709\u9519\u8bef\u3002<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<pre class=\"prettyprint prettyprinted\"><span class=\"com\">#!\/bin\/bash<\/span>\r\n<span class=\"com\"># author:\u83dc\u9e1f\u6559\u7a0b<\/span>\r\n<span class=\"com\"># url:www.runoob.com<\/span><span class=\"pln\">\r\n\r\necho <\/span><span class=\"str\">\"Shell \u4f20\u9012\u53c2\u6570\u5b9e\u4f8b\uff01\"<\/span><span class=\"pun\">;<\/span><span class=\"pln\">\r\necho <\/span><span class=\"str\">\"\u7b2c\u4e00\u4e2a\u53c2\u6570\u4e3a\uff1a$1\"<\/span><span class=\"pun\">;<\/span><span class=\"pln\">\r\n\r\necho <\/span><span class=\"str\">\"\u53c2\u6570\u4e2a\u6570\u4e3a\uff1a$#\"<\/span><span class=\"pun\">;<\/span><span class=\"pln\">\r\necho <\/span><span class=\"str\">\"\u4f20\u9012\u7684\u53c2\u6570\u4f5c\u4e3a\u4e00\u4e2a\u5b57\u7b26\u4e32\u663e\u793a\uff1a$*\"<\/span><span class=\"pun\">;<\/span><\/pre>\n<p>\u6267\u884c\u811a\u672c\uff0c\u8f93\u51fa\u7ed3\u679c\u5982\u4e0b\u6240\u793a\uff1a<\/p>\n<pre class=\"prettyprint prettyprinted\"><span class=\"pln\">$ chmod <\/span><span class=\"pun\">+<\/span><span class=\"pln\">x test<\/span><span class=\"pun\">.<\/span><span class=\"pln\">sh \r\n$ <\/span><span class=\"pun\">.\/<\/span><span class=\"pln\">test<\/span><span class=\"pun\">.<\/span><span class=\"pln\">sh <\/span><span class=\"lit\">1<\/span> <span class=\"lit\">2<\/span> <span class=\"lit\">3<\/span>\r\n<span class=\"typ\">Shell<\/span> <span class=\"pun\">\u4f20\u9012\u53c2\u6570\u5b9e\u4f8b\uff01<\/span>\r\n<span class=\"pun\">\u7b2c\u4e00\u4e2a\u53c2\u6570\u4e3a\uff1a<\/span><span class=\"lit\">1<\/span>\r\n<span class=\"pun\">\u53c2\u6570\u4e2a\u6570\u4e3a\uff1a<\/span><span class=\"lit\">3<\/span>\r\n<span class=\"pun\">\u4f20\u9012\u7684\u53c2\u6570\u4f5c\u4e3a\u4e00\u4e2a\u5b57\u7b26\u4e32\u663e\u793a\uff1a<\/span><span class=\"lit\">1<\/span> <span class=\"lit\">2<\/span> <span class=\"lit\">3<\/span><\/pre>\n<p>$* \u4e0e $@ \u533a\u522b\uff1a<\/p>\n<ul>\n<li>\u76f8\u540c\u70b9\uff1a\u90fd\u662f\u5f15\u7528\u6240\u6709\u53c2\u6570\u3002<\/li>\n<li>\u4e0d\u540c\u70b9\uff1a\u53ea\u6709\u5728\u53cc\u5f15\u53f7\u4e2d\u4f53\u73b0\u51fa\u6765\u3002\u5047\u8bbe\u5728\u811a\u672c\u8fd0\u884c\u65f6\u5199\u4e86\u4e09\u4e2a\u53c2\u6570 1\u30012\u30013\uff0c\uff0c\u5219 &#8221; * &#8221; \u7b49\u4ef7\u4e8e &#8220;1 2 3&#8243;\uff08\u4f20\u9012\u4e86\u4e00\u4e2a\u53c2\u6570\uff09\uff0c\u800c &#8220;@&#8221; \u7b49\u4ef7\u4e8e &#8220;1&#8221; &#8220;2&#8221; &#8220;3&#8221;\uff08\u4f20\u9012\u4e86\u4e09\u4e2a\u53c2\u6570\uff09\u3002<\/li>\n<\/ul>\n<pre class=\"prettyprint prettyprinted\"><span class=\"com\">#!\/bin\/bash<\/span>\r\n<span class=\"com\"># author:\u83dc\u9e1f\u6559\u7a0b<\/span>\r\n<span class=\"com\"># url:www.runoob.com<\/span><span class=\"pln\">\r\n\r\necho <\/span><span class=\"str\">\"-- \\$* \u6f14\u793a ---\"<\/span>\r\n<span class=\"kwd\">for<\/span><span class=\"pln\"> i <\/span><span class=\"kwd\">in<\/span> <span class=\"str\">\"$*\"<\/span><span class=\"pun\">;<\/span> <span class=\"kwd\">do<\/span><span class=\"pln\">\r\n    echo $i\r\n<\/span><span class=\"kwd\">done<\/span><span class=\"pln\">\r\n\r\necho <\/span><span class=\"str\">\"-- \\$@ \u6f14\u793a ---\"<\/span>\r\n<span class=\"kwd\">for<\/span><span class=\"pln\"> i <\/span><span class=\"kwd\">in<\/span> <span class=\"str\">\"$@\"<\/span><span class=\"pun\">;<\/span> <span class=\"kwd\">do<\/span><span class=\"pln\">\r\n    echo $i\r\n<\/span><span class=\"kwd\">done<\/span><\/pre>\n<p>\u6267\u884c\u811a\u672c\uff0c\u8f93\u51fa\u7ed3\u679c\u5982\u4e0b\u6240\u793a\uff1a<\/p>\n<pre class=\"prettyprint prettyprinted\"><span class=\"pln\">$ chmod <\/span><span class=\"pun\">+<\/span><span class=\"pln\">x test<\/span><span class=\"pun\">.<\/span><span class=\"pln\">sh \r\n$ <\/span><span class=\"pun\">.\/<\/span><span class=\"pln\">test<\/span><span class=\"pun\">.<\/span><span class=\"pln\">sh <\/span><span class=\"lit\">1<\/span> <span class=\"lit\">2<\/span> <span class=\"lit\">3<\/span>\r\n<span class=\"pun\">--<\/span><span class=\"pln\"> $<\/span><span class=\"pun\">*<\/span> <span class=\"pun\">\u6f14\u793a<\/span> <span class=\"pun\">---<\/span>\r\n<span class=\"lit\">1<\/span> <span class=\"lit\">2<\/span> <span class=\"lit\">3<\/span>\r\n<span class=\"pun\">--<\/span><span class=\"pln\"> $@ <\/span><span class=\"pun\">\u6f14\u793a<\/span> <span class=\"pun\">---<\/span>\r\n<span class=\"lit\">1<\/span>\r\n<span class=\"lit\">2<\/span>\r\n<span class=\"lit\">3<\/span><\/pre>\n<\/div>\n<\/div>\n<div class=\"previous-next-links\"><\/div>\n","protected":false},"excerpt":{"rendered":"<p>Shell \u4f20\u9012\u53c2\u6570 \u6211\u4eec\u53ef\u4ee5\u5728\u6267\u884c Shell \u811a\u672c\u65f6\uff0c\u5411\u811a\u672c\u4f20\u9012\u53c2\u6570\uff0c\u811a\u672c\u5185\u83b7\u53d6\u53c2\u6570\u7684\u683c\u5f0f\u4e3a\uff1a$n\u3002n\u00a0\u4ee3 &hellip; <\/p>\n<p class=\"link-more\"><a href=\"https:\/\/b.yesiyu.top\/?p=118\" class=\"more-link\">\u7ee7\u7eed\u9605\u8bfb<span class=\"screen-reader-text\">\u201cShell \u4f20\u9012\u53c2\u6570\u201d<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[3],"tags":[],"class_list":["post-118","post","type-post","status-publish","format-standard","hentry","category-liunx-"],"_links":{"self":[{"href":"https:\/\/b.yesiyu.top\/index.php?rest_route=\/wp\/v2\/posts\/118","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/b.yesiyu.top\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/b.yesiyu.top\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/b.yesiyu.top\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/b.yesiyu.top\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=118"}],"version-history":[{"count":1,"href":"https:\/\/b.yesiyu.top\/index.php?rest_route=\/wp\/v2\/posts\/118\/revisions"}],"predecessor-version":[{"id":119,"href":"https:\/\/b.yesiyu.top\/index.php?rest_route=\/wp\/v2\/posts\/118\/revisions\/119"}],"wp:attachment":[{"href":"https:\/\/b.yesiyu.top\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=118"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/b.yesiyu.top\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=118"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/b.yesiyu.top\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=118"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}