{"id":94102,"date":"2026-08-13T19:32:52","date_gmt":"2026-08-13T11:32:52","guid":{"rendered":"https:\/\/www.wsisp.com\/helps\/94102.html"},"modified":"2026-08-13T19:32:52","modified_gmt":"2026-08-13T11:32:52","slug":"shell-%e4%b8%ad-%e5%92%8c-%e7%9a%84%e5%8c%ba%e5%88%ab","status":"publish","type":"post","link":"https:\/\/www.wsisp.com\/helps\/94102.html","title":{"rendered":"Shell \u4e2d $@ \u548c $* \u7684\u533a\u522b"},"content":{"rendered":"

$@\u00a0\u548c\u00a0$*\u00a0\u90fd\u8868\u793a\u6240\u6709\u4f4d\u7f6e\u53c2\u6570，\u4f46\u5b83\u4eec\u6709\u4e00\u4e2a\u5173\u952e\u533a\u522b：<\/p>\n

$@\u00a0\u628a\u6bcf\u4e2a\u53c2\u6570\u5f53\u4f5c\u72ec\u7acb\u7684\u4e2a\u4f53（"\u5404\u81ea\u4e3a\u653f"），$*\u00a0\u628a\u5168\u90e8\u53c2\u6570\u5f53\u6210\u4e00\u4e2a\u6574\u4f53（"\u6253\u5305\u5904\u7406"）\u3002<\/p>\n\n\u53d8\u91cf\u884c\u4e3a\u4ec0\u4e48\u65f6\u5019\u7528<\/tr>\n\n\n\n
$@<\/td>\n\u6bcf\u4e2a\u53c2\u6570\u72ec\u7acb，\u4fdd\u6301\u7a7a\u683c\u548c\u5f15\u53f7<\/td>\n\u63a8\u8350，\u5927\u591a\u6570\u573a\u666f<\/td>\n<\/tr>\n
$*<\/td>\n\u6240\u6709\u53c2\u6570\u5408\u5e76\u6210\u4e00\u4e2a\u5b57\u7b26\u4e32<\/td>\n\u9700\u8981\u628a\u6240\u6709\u53c2\u6570\u5f53\u6574\u4f53\u65f6<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

\u4e8c\u3001\u793a\u4f8b<\/h3>\n

\u811a\u672c<\/h4>\n

#!\/bin\/bash
\n# test.sh<\/p>\n

echo "=== \u6d4b\u8bd5 \\\\$@ ==="
\nfor arg in "$@"; do
\n echo "\u53c2\u6570: $arg"
\ndone<\/p>\n

echo ""
\necho "=== \u6d4b\u8bd5 \\\\$* ==="
\nfor arg in "$*"; do
\n echo "\u53c2\u6570: $arg"
\ndone<\/p>\n

\u8fd0\u884c\u811a\u672c<\/h4>\n

.\/test.sh a b c<\/p>\n

\u8f93\u51fa：<\/p>\n

=== \u6d4b\u8bd5 $@ ===
\n\u53c2\u6570: a
\n\u53c2\u6570: b
\n\u53c2\u6570: c<\/p>\n

=== \u6d4b\u8bd5 $* ===
\n\u53c2\u6570: a b c<\/p>\n

    \n
  • \n

    $@：\u6bcf\u4e2a\u53c2\u6570\u5355\u72ec\u4e00\u884c<\/p>\n<\/li>\n

  • \n

    $*：\u6240\u6709\u53c2\u6570\u5408\u5e76\u6210\u4e00\u4e2a<\/p>\n<\/li>\n<\/ul>\n

    \u4f46\u6ca1\u6709\u5f15\u53f7\u65f6\u5dee\u5f02\u66f4\u660e\u663e：<\/p>\n

    \u5e26\u7a7a\u683c\u548c\u5f15\u53f7\u7684\u53c2\u6570<\/h4>\n

    .\/test.sh "hello world" "foo bar"<\/p>\n

    \u8f93\u51fa：<\/p>\n

    === \u6d4b\u8bd5 $@ ===
    \n\u53c2\u6570: hello world
    \n\u53c2\u6570: foo bar<\/p>\n

    === \u6d4b\u8bd5 $* ===
    \n\u53c2\u6570: hello world foo bar<\/p>\n

      \n
    • \n

      $@：\u4fdd\u6301\u4e86\u6bcf\u4e2a\u53c2\u6570\u7684\u5f15\u53f7，"hello world"\u00a0\u4f5c\u4e3a\u4e00\u4e2a\u6574\u4f53<\/p>\n<\/li>\n

    • \n

      $*：\u628a\u6240\u6709\u4e1c\u897f\u5408\u5e76\u6210\u4e00\u4e2a\u5b57\u7b26\u4e32<\/p>\n<\/li>\n<\/ul>\n

      \u533a\u522b\u7684\u672c\u8d28：<\/p>\n\n\u53d8\u91cf\u5b58\u50a8\u65b9\u5f0f\u76f8\u5f53\u4e8e<\/tr>\n\n\n\n
      "$@"<\/td>\n["hello world", "foo bar"]<\/td>\n\u6bcf\u4e2a\u53c2\u6570\u72ec\u7acb，\u50cf\u5217\u8868<\/td>\n<\/tr>\n
      "$*"<\/td>\n["hello world foo bar"]<\/td>\n\u5168\u90e8\u62fc\u6210\u4e00\u4e2a\u5b57\u7b26\u4e32，\u50cf\u5355\u4e2a\u5143\u7d20<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

      $@\u00a0\u662f\u4e00\u7ec4，$*\u00a0\u662f\u4e00\u5768\u3002\u5927\u591a\u6570\u60c5\u51b5\u4e0b\u7528\u00a0"$@"\u00a0\u5c31\u53ef\u4ee5\u4e86\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"

      $\u00a0\u548c\u00a0$*\u00a0\u90fd\u8868\u793a\u6240\u6709\u4f4d\u7f6e\u53c2\u6570，\u4f46\u5b83\u4eec\u6709\u4e00\u4e2a\u5173\u952e\u533a\u522b：$\u00a0\u628a\u6bcf\u4e2a\u53c2\u6570\u5f53\u4f5c\u72ec\u7acb\u7684\u4e2a\u4f53（\\”\u5404\u81ea\u4e3a\u653f\\”），$*\u00a0\u628a\u5168\u90e8\u53c2\u6570\u5f53\u6210\u4e00\u4e2a\u6574\u4f53（\\”\u6253\u5305\u5904\u7406\\”）\u3002\u53d8\u91cf\u884c\u4e3a\u4ec0\u4e48\u65f6\u5019\u7528$\u6bcf\u4e2a\u53c2\u6570\u72ec\u7acb，\u4fdd\u6301\u7a7a\u683c\u548c\u5f15\u53f7\u63a8\u8350，\u5927\u591a\u6570\u573a\u666f$*\u6240\u6709\u53c2\u6570\u5408\u5e76\u6210\u4e00\u4e2a\u5b57\u7b26\u4e32\u9700\u8981\u628a\u6240\u6709\u53c2\u6570\u5f53\u6574\u4f53\u65f6\u4e8c\u3001\u793a\u4f8b\u811a\u672c#!\/bin\/bash
      \n# test.shecho \\” \u6d4b\u8bd5 \\\\$ \\”
      \nfor <\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[58,1468],"topic":[],"class_list":["post-94102","post","type-post","status-publish","format-standard","hentry","category-server","tag-linux","tag-shell"],"yoast_head":"\nShell \u4e2d $@ \u548c $* \u7684\u533a\u522b - \u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.wsisp.com\/helps\/94102.html\" \/>\n<meta property=\"og:locale\" content=\"zh_CN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Shell \u4e2d $@ \u548c $* \u7684\u533a\u522b - \u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3\" \/>\n<meta property=\"og:description\" content=\"$\u00a0\u548c\u00a0$*\u00a0\u90fd\u8868\u793a\u6240\u6709\u4f4d\u7f6e\u53c2\u6570，\u4f46\u5b83\u4eec\u6709\u4e00\u4e2a\u5173\u952e\u533a\u522b：$\u00a0\u628a\u6bcf\u4e2a\u53c2\u6570\u5f53\u4f5c\u72ec\u7acb\u7684\u4e2a\u4f53（"\u5404\u81ea\u4e3a\u653f"），$*\u00a0\u628a\u5168\u90e8\u53c2\u6570\u5f53\u6210\u4e00\u4e2a\u6574\u4f53（"\u6253\u5305\u5904\u7406"）\u3002\u53d8\u91cf\u884c\u4e3a\u4ec0\u4e48\u65f6\u5019\u7528$\u6bcf\u4e2a\u53c2\u6570\u72ec\u7acb，\u4fdd\u6301\u7a7a\u683c\u548c\u5f15\u53f7\u63a8\u8350，\u5927\u591a\u6570\u573a\u666f$*\u6240\u6709\u53c2\u6570\u5408\u5e76\u6210\u4e00\u4e2a\u5b57\u7b26\u4e32\u9700\u8981\u628a\u6240\u6709\u53c2\u6570\u5f53\u6574\u4f53\u65f6\u4e8c\u3001\u793a\u4f8b\u811a\u672c#!\/bin\/bash # test.shecho " \u6d4b\u8bd5 \\$ " for\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.wsisp.com\/helps\/94102.html\" \/>\n<meta property=\"og:site_name\" content=\"\u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3\" \/>\n<meta property=\"article:published_time\" content=\"2026-08-13T11:32:52+00:00\" \/>\n<meta name=\"author\" content=\"admin\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"\u4f5c\u8005\" \/>\n\t<meta name=\"twitter:data1\" content=\"admin\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\/\/www.wsisp.com\/helps\/94102.html\",\"url\":\"https:\/\/www.wsisp.com\/helps\/94102.html\",\"name\":\"Shell \u4e2d $@ \u548c $* \u7684\u533a\u522b - \u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3\",\"isPartOf\":{\"@id\":\"https:\/\/www.wsisp.com\/helps\/#website\"},\"datePublished\":\"2026-08-13T11:32:52+00:00\",\"dateModified\":\"2026-08-13T11:32:52+00:00\",\"author\":{\"@id\":\"https:\/\/www.wsisp.com\/helps\/#\/schema\/person\/358e386c577a3ab51c4493330a20ad41\"},\"breadcrumb\":{\"@id\":\"https:\/\/www.wsisp.com\/helps\/94102.html#breadcrumb\"},\"inLanguage\":\"zh-Hans\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/www.wsisp.com\/helps\/94102.html\"]}]},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/www.wsisp.com\/helps\/94102.html#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"\u9996\u9875\",\"item\":\"https:\/\/www.wsisp.com\/helps\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Shell \u4e2d $@ \u548c $* \u7684\u533a\u522b\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\/\/www.wsisp.com\/helps\/#website\",\"url\":\"https:\/\/www.wsisp.com\/helps\/\",\"name\":\"\u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3\",\"description\":\"\u9999\u6e2f\u670d\u52a1\u5668_\u9999\u6e2f\u4e91\u670d\u52a1\u5668\u8d44\u8baf_\u670d\u52a1\u5668\u5e2e\u52a9\u6587\u6863_\u670d\u52a1\u5668\u6559\u7a0b\",\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\/\/www.wsisp.com\/helps\/?s={search_term_string}\"},\"query-input\":\"required name=search_term_string\"}],\"inLanguage\":\"zh-Hans\"},{\"@type\":\"Person\",\"@id\":\"https:\/\/www.wsisp.com\/helps\/#\/schema\/person\/358e386c577a3ab51c4493330a20ad41\",\"name\":\"admin\",\"image\":{\"@type\":\"ImageObject\",\"inLanguage\":\"zh-Hans\",\"@id\":\"https:\/\/www.wsisp.com\/helps\/#\/schema\/person\/image\/\",\"url\":\"https:\/\/gravatar.wp-china-yes.net\/avatar\/?s=96&d=mystery\",\"contentUrl\":\"https:\/\/gravatar.wp-china-yes.net\/avatar\/?s=96&d=mystery\",\"caption\":\"admin\"},\"sameAs\":[\"http:\/\/wp.wsisp.com\"],\"url\":\"https:\/\/www.wsisp.com\/helps\/author\/admin\"}]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"Shell \u4e2d $@ \u548c $* \u7684\u533a\u522b - \u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/www.wsisp.com\/helps\/94102.html","og_locale":"zh_CN","og_type":"article","og_title":"Shell \u4e2d $@ \u548c $* \u7684\u533a\u522b - \u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3","og_description":"$\u00a0\u548c\u00a0$*\u00a0\u90fd\u8868\u793a\u6240\u6709\u4f4d\u7f6e\u53c2\u6570，\u4f46\u5b83\u4eec\u6709\u4e00\u4e2a\u5173\u952e\u533a\u522b：$\u00a0\u628a\u6bcf\u4e2a\u53c2\u6570\u5f53\u4f5c\u72ec\u7acb\u7684\u4e2a\u4f53（\"\u5404\u81ea\u4e3a\u653f\"），$*\u00a0\u628a\u5168\u90e8\u53c2\u6570\u5f53\u6210\u4e00\u4e2a\u6574\u4f53（\"\u6253\u5305\u5904\u7406\"）\u3002\u53d8\u91cf\u884c\u4e3a\u4ec0\u4e48\u65f6\u5019\u7528$\u6bcf\u4e2a\u53c2\u6570\u72ec\u7acb，\u4fdd\u6301\u7a7a\u683c\u548c\u5f15\u53f7\u63a8\u8350，\u5927\u591a\u6570\u573a\u666f$*\u6240\u6709\u53c2\u6570\u5408\u5e76\u6210\u4e00\u4e2a\u5b57\u7b26\u4e32\u9700\u8981\u628a\u6240\u6709\u53c2\u6570\u5f53\u6574\u4f53\u65f6\u4e8c\u3001\u793a\u4f8b\u811a\u672c#!\/bin\/bash # test.shecho \" \u6d4b\u8bd5 \\$ \" for","og_url":"https:\/\/www.wsisp.com\/helps\/94102.html","og_site_name":"\u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3","article_published_time":"2026-08-13T11:32:52+00:00","author":"admin","twitter_card":"summary_large_image","twitter_misc":{"\u4f5c\u8005":"admin"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"WebPage","@id":"https:\/\/www.wsisp.com\/helps\/94102.html","url":"https:\/\/www.wsisp.com\/helps\/94102.html","name":"Shell \u4e2d $@ \u548c $* \u7684\u533a\u522b - \u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3","isPartOf":{"@id":"https:\/\/www.wsisp.com\/helps\/#website"},"datePublished":"2026-08-13T11:32:52+00:00","dateModified":"2026-08-13T11:32:52+00:00","author":{"@id":"https:\/\/www.wsisp.com\/helps\/#\/schema\/person\/358e386c577a3ab51c4493330a20ad41"},"breadcrumb":{"@id":"https:\/\/www.wsisp.com\/helps\/94102.html#breadcrumb"},"inLanguage":"zh-Hans","potentialAction":[{"@type":"ReadAction","target":["https:\/\/www.wsisp.com\/helps\/94102.html"]}]},{"@type":"BreadcrumbList","@id":"https:\/\/www.wsisp.com\/helps\/94102.html#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"\u9996\u9875","item":"https:\/\/www.wsisp.com\/helps"},{"@type":"ListItem","position":2,"name":"Shell \u4e2d $@ \u548c $* \u7684\u533a\u522b"}]},{"@type":"WebSite","@id":"https:\/\/www.wsisp.com\/helps\/#website","url":"https:\/\/www.wsisp.com\/helps\/","name":"\u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3","description":"\u9999\u6e2f\u670d\u52a1\u5668_\u9999\u6e2f\u4e91\u670d\u52a1\u5668\u8d44\u8baf_\u670d\u52a1\u5668\u5e2e\u52a9\u6587\u6863_\u670d\u52a1\u5668\u6559\u7a0b","potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/www.wsisp.com\/helps\/?s={search_term_string}"},"query-input":"required name=search_term_string"}],"inLanguage":"zh-Hans"},{"@type":"Person","@id":"https:\/\/www.wsisp.com\/helps\/#\/schema\/person\/358e386c577a3ab51c4493330a20ad41","name":"admin","image":{"@type":"ImageObject","inLanguage":"zh-Hans","@id":"https:\/\/www.wsisp.com\/helps\/#\/schema\/person\/image\/","url":"https:\/\/gravatar.wp-china-yes.net\/avatar\/?s=96&d=mystery","contentUrl":"https:\/\/gravatar.wp-china-yes.net\/avatar\/?s=96&d=mystery","caption":"admin"},"sameAs":["http:\/\/wp.wsisp.com"],"url":"https:\/\/www.wsisp.com\/helps\/author\/admin"}]}},"_links":{"self":[{"href":"https:\/\/www.wsisp.com\/helps\/wp-json\/wp\/v2\/posts\/94102","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.wsisp.com\/helps\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.wsisp.com\/helps\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.wsisp.com\/helps\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.wsisp.com\/helps\/wp-json\/wp\/v2\/comments?post=94102"}],"version-history":[{"count":0,"href":"https:\/\/www.wsisp.com\/helps\/wp-json\/wp\/v2\/posts\/94102\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.wsisp.com\/helps\/wp-json\/wp\/v2\/media?parent=94102"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.wsisp.com\/helps\/wp-json\/wp\/v2\/categories?post=94102"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.wsisp.com\/helps\/wp-json\/wp\/v2\/tags?post=94102"},{"taxonomy":"topic","embeddable":true,"href":"https:\/\/www.wsisp.com\/helps\/wp-json\/wp\/v2\/topic?post=94102"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}