{"id":52219,"date":"2024-12-03T09:02:52","date_gmt":"2024-12-03T01:02:52","guid":{"rendered":"https:\/\/fwq.ai\/blog\/52219\/"},"modified":"2024-12-03T09:02:52","modified_gmt":"2024-12-03T01:02:52","slug":"linux%e4%b8%adbc%e7%9a%84%e4%bd%9c%e7%94%a8%e6%98%af%e4%bb%80%e4%b9%88","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/52219\/","title":{"rendered":"linux\u4e2dbc\u7684\u4f5c\u7528\u662f\u4ec0\u4e48"},"content":{"rendered":"

<\/b> <\/p>\n

linux\u4e2dbc\u7684\u4f5c\u7528\u662f\u4ec0\u4e48<\/h1>\n

\u6700\u8fd1\u53d1\u73b0\u4e0d\u5c11\u5c0f\u4f19\u4f34\u90fd\u5bf9\u6587\u7ae0<\/span>\u5f88\u611f\u5174\u8da3\uff0c\u6240\u4ee5\u4eca\u5929\u7ee7\u7eed\u7ed9\u5927\u5bb6\u4ecb\u7ecd\u6587\u7ae0<\/span>\u76f8\u5173\u7684\u77e5\u8bc6\uff0c\u672c\u6587\u300alinux\u4e2dbc\u7684\u4f5c\u7528\u662f\u4ec0\u4e48\u300b<\/span>\u4e3b\u8981\u5185\u5bb9\u6d89\u53ca\u5230<\/span>\u7b49\u7b49\u77e5\u8bc6\u70b9\uff0c\u5e0c\u671b\u80fd\u5e2e\u5230\u4f60\uff01\u5f53\u7136\u5982\u679c\u9605\u8bfb\u672c\u6587\u65f6\u5b58\u5728\u4e0d\u540c\u60f3\u6cd5\uff0c\u53ef\u4ee5\u5728\u8bc4\u8bba\u4e2d\u8868\u8fbe\uff0c\u4f46\u662f\u8bf7\u52ff\u4f7f\u7528\u8fc7\u6fc0\u7684\u63aa\u8f9e~<\/p>\n<\/p>\n

\n

\u5728linux\u4e2dbc\u7684\u5168\u79f0\u662f\u201cBinary Calculator\u201d\uff0cbc\u662f\u4efb\u610f\u7cbe\u5ea6\u7b97\u672f\u8bed\u8a00\u63d0\u4f9b\u89e3\u91ca\u5668\uff0c\u7528\u4e8e\u5b9e\u73b0\u4efb\u610f\u7cbe\u5ea6\u8ba1\u7b97\uff1bbc\u547d\u4ee4\u9996\u5148\u8bfb\u53d6\u7531File\u53c2\u6570\u6307\u5b9a\u7684\u4efb\u4e00\u8f93\u5165\u6587\u4ef6\uff0c\u7136\u540e\u8bfb\u53d6\u6807\u51c6\u8f93\u5165\uff0c\u5176\u8f93\u5165\u6587\u4ef6\u5fc5\u987b\u662f\u5305\u542bbc\u547d\u4ee4\u80fd\u8bfb\u53d6\u5e76\u6267\u884c\u7684\u547d\u4ee4\u5e8f\u5217\u3001\u8bed\u53e5\u6216\u51fd\u6570\u5b9a\u4e49\u7684\u6587\u672c\u6587\u4ef6\u3002<\/p>\n<\/blockquote>\n

\u5728linux\u4e2dbc\u7684\u5168\u79f0\u662f\u4ec0\u4e48\uff1f<\/strong><\/p>\n

bc\u4e3a\u4efb\u610f\u7cbe\u5ea6\u7b97\u672f\u8bed\u8a00\u63d0\u4f9b\u89e3\u91ca\u5668\u3002BC\u7684\u542b\u4e49\u662f\uff1aBinary Calculator\uff0c\u7528\u4e8e\u5b9e\u73b0\u4efb\u610f\u7cbe\u5ea6\u8ba1\u7b97\uff08\u5f80\u5f80\u662f\u9ad8\u7cbe\u5ea6\u8ba1\u7b97\uff09\u3002<\/p>\n

LINUX bc\u547d\u4ee4<\/p>\n

\u8bed\u6cd5<\/p>\n

bc [ -c ] [ -l ] [ File ... ]<\/pre>\n
\u63cf\u8ff0<\/p>\n
bc \u547d\u4ee4\u662f\u4e00\u4e2a\u63d0\u4f9b\u4efb\u610f\u7cbe\u5ea6\u7b97\u672f\u7684\u4ea4\u4e92\u5f0f\u8fdb\u7a0b\u3002bc \u547d\u4ee4\u9996\u5148\u8bfb\u53d6\u7531 File \u53c2\u6570\u6307\u5b9a\u7684\u4efb\u4e00\u8f93\u5165\u6587\u4ef6\uff0c\u7136\u540e\u8bfb\u53d6\u6807\u51c6\u8f93\u5165\u3002\u8f93\u5165\u6587\u4ef6\u5fc5\u987b\u662f\u5305\u542b bc \u547d\u4ee4\u80fd\u8bfb\u53d6\u5e76\u6267\u884c\u7684\u547d\u4ee4\u5e8f\u5217\u3001\u8bed\u53e5\u6216\u51fd\u6570\u5b9a\u4e49\u7684\u6587\u672c\u6587\u4ef6\u3002<\/p>\n
bc \u547d\u4ee4\u662f dc \u547d\u4ee4\u7684\u9884\u5904\u7406\u7a0b\u5e8f\u3002\u9664\u975e\u6307\u5b9a -c\uff08\u4ec5\u7f16\u8bd1\uff09\u6807\u5fd7\uff0c\u5426\u5219\u5b83\u81ea\u52a8\u8c03\u7528 dc \u547d\u4ee4\u3002\u5982\u679c\u6307\u5b9a\u4e86 -c \u6807\u5fd7\uff0c\u5219\u6765\u81ea bc \u547d\u4ee4\u7684\u8f93\u51fa\u8f6c\u5230\u6807\u51c6\u8f93\u51fa\u3002<\/p>\n
bc \u547d\u4ee4\u5141\u8bb8\u60a8\u6765\u6307\u5b9a\u5341\u8fdb\u5236\u3001\u516b\u8fdb\u5236\u6216\u5341\u516d\u8fdb\u5236\u7684\u8fd0\u7b97\u7684\u8f93\u5165\u548c\u8f93\u51fa\u8fdb\u5236\u3002\u7f3a\u7701\u503c\u4e3a\u5341\u8fdb\u5236\u3002\u6b64\u547d\u4ee4\u8fd8\u63d0\u4f9b\u4e86\u5341\u8fdb\u5236\u70b9\u7b26\u53f7\u7684\u6bd4\u4f8b\u7f29\u653e\u89c4\u5b9a\u3002bc \u547d\u4ee4\u59cb\u7ec8\u4f7f\u7528 .\uff08\u70b9\u53f7\uff09\u6765\u8868\u793a\u57fa\u6570\u70b9\uff0c\u800c\u4e0d\u8003\u8651\u6307\u5b9a\u4e3a\u5f53\u524d\u8bed\u8a00\u73af\u5883\u90e8\u5206\u7684\u4efb\u4f55\u5341\u8fdb\u5236\u70b9\u5b57\u7b26\u3002<\/p>\n
bc \u547d\u4ee4\u7684\u8bed\u6cd5\u7c7b\u4f3c\u4e8e C \u8bed\u8a00\u7684\u8bed\u6cd5\u3002\u53ef\u4ee5\u4f7f\u7528 bc \u547d\u4ee4\u901a\u8fc7\u5c06 ibase \u5173\u952e\u5b57\u6307\u5b9a\u7ed9\u8f93\u5165\u8fdb\u5236\u800c obase \u5173\u952e\u5b57\u6307\u5b9a\u7ed9\u8f93\u51fa\u8fdb\u5236\u6765\u5728\u5404\u8fdb\u5236\u95f4\u8f6c\u5316\u30022 \u5230 16 \u7684\u8303\u56f4\u5bf9\u4e8e ibase \u5173\u952e\u5b57\u662f\u6709\u6548\u7684\u3002obase \u5173\u952e\u5b57\u7684\u8303\u56f4\u4ece 2 \u76f4\u5230 \/usr\/include\/sys\/limits.h\u6587\u4ef6\u4e2d\u5b9a\u4e49\u7684 BC_BASE_MAX \u503c\u8bbe\u7f6e\u7684\u9650\u5236\u3002\u4e0d\u8003\u8651 ibase \u548c obase \u7684\u8bbe\u7f6e\uff0cbc \u547d\u4ee4\u5c06\u5b57\u6bcd A \u5230 F \u8bc6\u522b\u4e3a\u5176\u5341\u516d\u8fdb\u5236\u503c 10 \u5230 15\u3002<\/p>\n
bc \u547d\u4ee4\u7684\u8f93\u51fa\u7531\u8bfb\u53d6\u7a0b\u5e8f\u63a7\u5236\u3002\u8f93\u51fa\u7531\u5305\u542b\u6240\u6709\u6267\u884c\u7684\u672a\u8d4b\u503c\u8868\u8fbe\u5f0f\u7684\u503c\u7684\u4e00\u884c\u6216\u591a\u884c\u6784\u6210\u3002\u8f93\u51fa\u7684\u57fa\u6570\u548c\u7cbe\u5ea6\u7531 obase \u548c scale \u5173\u952e\u5b57\u7684\u503c\u63a7\u5236\u3002<\/p>\n
\u4eca\u5929\u5e26\u5927\u5bb6\u4e86\u89e3\u4e86\u7684\u76f8\u5173\u77e5\u8bc6\uff0c\u5e0c\u671b\u5bf9\u4f60\u6709\u6240\u5e2e\u52a9\uff1b\u5173\u4e8e\u6587\u7ae0\u7684\u6280\u672f\u77e5\u8bc6\u6211\u4eec\u4f1a\u4e00\u70b9\u70b9\u6df1\u5165\u4ecb\u7ecd\uff0c\u6b22\u8fce\u5927\u5bb6\u5173\u6ce8\u7c73\u4e91\u516c\u4f17\u53f7\uff0c\u4e00\u8d77\u5b66\u4e60\u7f16\u7a0b~<\/p>\n","protected":false},"excerpt":{"rendered":"
linux\u4e2dbc\u7684\u4f5c\u7528\u662f\u4ec0\u4e48 \u6700\u8fd1\u53d1\u73b0\u4e0d\u5c11\u5c0f\u4f19\u4f34\u90fd\u5bf9\u6587\u7ae0\u5f88\u611f\u5174\u8da3\uff0c\u6240\u4ee5\u4eca\u5929\u7ee7\u7eed\u7ed9\u5927\u5bb6\u4ecb\u7ecd\u6587\u7ae0\u76f8\u5173\u7684\u77e5\u8bc6\uff0c\u672c\u6587\u300alinux\u4e2dbc\u7684\u4f5c\u7528\u662f\u4ec0\u4e48\u300b\u4e3b\u8981\u5185\u5bb9\u6d89\u53ca\u5230\u7b49\u7b49\u77e5\u8bc6\u70b9\uff0c\u5e0c\u671b\u80fd\u5e2e\u5230\u4f60\uff01\u5f53\u7136\u5982\u679c\u9605\u8bfb\u672c\u6587\u65f6\u5b58\u5728\u4e0d\u540c\u60f3\u6cd5\uff0c\u53ef\u4ee5\u5728\u8bc4\u8bba\u4e2d\u8868\u8fbe\uff0c\u4f46\u662f\u8bf7\u52ff\u4f7f\u7528\u8fc7\u6fc0\u7684\u63aa\u8f9e~ \u5728linux\u4e2dbc\u7684\u5168\u79f0\u662f\u201cBinary Calculator\u201d\uff0cbc\u662f\u4efb\u610f\u7cbe\u5ea6\u7b97\u672f\u8bed\u8a00\u63d0\u4f9b\u89e3\u91ca\u5668\uff0c\u7528\u4e8e\u5b9e\u73b0\u4efb\u610f\u7cbe\u5ea6\u8ba1\u7b97\uff1bbc\u547d\u4ee4\u9996\u5148\u8bfb\u53d6\u7531File\u53c2\u6570\u6307\u5b9a\u7684\u4efb\u4e00\u8f93\u5165\u6587\u4ef6\uff0c\u7136\u540e\u8bfb\u53d6\u6807\u51c6\u8f93\u5165\uff0c\u5176\u8f93\u5165\u6587\u4ef6\u5fc5\u987b\u662f\u5305\u542bbc\u547d\u4ee4\u80fd\u8bfb\u53d6\u5e76\u6267\u884c\u7684\u547d\u4ee4\u5e8f\u5217\u3001\u8bed\u53e5\u6216\u51fd\u6570\u5b9a\u4e49\u7684\u6587\u672c\u6587\u4ef6\u3002 \u5728linux\u4e2dbc\u7684\u5168\u79f0\u662f\u4ec0\u4e48\uff1f bc\u4e3a\u4efb\u610f\u7cbe\u5ea6\u7b97\u672f\u8bed\u8a00\u63d0\u4f9b\u89e3\u91ca\u5668\u3002BC\u7684\u542b\u4e49\u662f\uff1aBinary Calculator\uff0c\u7528\u4e8e\u5b9e\u73b0\u4efb\u610f\u7cbe\u5ea6\u8ba1\u7b97\uff08\u5f80\u5f80\u662f\u9ad8\u7cbe\u5ea6\u8ba1\u7b97\uff09\u3002 LINUX bc\u547d\u4ee4 \u8bed\u6cd5 bc [ -c ] [ -l ] [ File … ] \u63cf\u8ff0 bc \u547d\u4ee4\u662f\u4e00\u4e2a\u63d0\u4f9b\u4efb\u610f\u7cbe\u5ea6\u7b97\u672f\u7684\u4ea4\u4e92\u5f0f\u8fdb\u7a0b\u3002bc \u547d\u4ee4\u9996\u5148\u8bfb\u53d6\u7531 File \u53c2\u6570\u6307\u5b9a\u7684\u4efb\u4e00\u8f93\u5165\u6587\u4ef6\uff0c\u7136\u540e\u8bfb\u53d6\u6807\u51c6\u8f93\u5165\u3002\u8f93\u5165\u6587\u4ef6\u5fc5\u987b\u662f\u5305\u542b bc \u547d\u4ee4\u80fd\u8bfb\u53d6\u5e76\u6267\u884c\u7684\u547d\u4ee4\u5e8f\u5217\u3001\u8bed\u53e5\u6216\u51fd\u6570\u5b9a\u4e49\u7684\u6587\u672c\u6587\u4ef6\u3002 bc \u547d\u4ee4\u662f dc \u547d\u4ee4\u7684\u9884\u5904\u7406\u7a0b\u5e8f\u3002\u9664\u975e\u6307\u5b9a -c\uff08\u4ec5\u7f16\u8bd1\uff09\u6807\u5fd7\uff0c\u5426\u5219\u5b83\u81ea\u52a8\u8c03\u7528 dc \u547d\u4ee4\u3002\u5982\u679c\u6307\u5b9a\u4e86 -c \u6807\u5fd7\uff0c\u5219\u6765\u81ea bc \u547d\u4ee4\u7684\u8f93\u51fa\u8f6c\u5230\u6807\u51c6\u8f93\u51fa\u3002 bc \u547d\u4ee4\u5141\u8bb8\u60a8\u6765\u6307\u5b9a\u5341\u8fdb\u5236\u3001\u516b\u8fdb\u5236\u6216\u5341\u516d\u8fdb\u5236\u7684\u8fd0\u7b97\u7684\u8f93\u5165\u548c\u8f93\u51fa\u8fdb\u5236\u3002\u7f3a\u7701\u503c\u4e3a\u5341\u8fdb\u5236\u3002\u6b64\u547d\u4ee4\u8fd8\u63d0\u4f9b\u4e86\u5341\u8fdb\u5236\u70b9\u7b26\u53f7\u7684\u6bd4\u4f8b\u7f29\u653e\u89c4\u5b9a\u3002bc \u547d\u4ee4\u59cb\u7ec8\u4f7f\u7528 .\uff08\u70b9\u53f7\uff09\u6765\u8868\u793a\u57fa\u6570\u70b9\uff0c\u800c\u4e0d\u8003\u8651\u6307\u5b9a\u4e3a\u5f53\u524d\u8bed\u8a00\u73af\u5883\u90e8\u5206\u7684\u4efb\u4f55\u5341\u8fdb\u5236\u70b9\u5b57\u7b26\u3002 bc \u547d\u4ee4\u7684\u8bed\u6cd5\u7c7b\u4f3c\u4e8e C \u8bed\u8a00\u7684\u8bed\u6cd5\u3002\u53ef\u4ee5\u4f7f\u7528 bc \u547d\u4ee4\u901a\u8fc7\u5c06 ibase \u5173\u952e\u5b57\u6307\u5b9a\u7ed9\u8f93\u5165\u8fdb\u5236\u800c obase \u5173\u952e\u5b57\u6307\u5b9a\u7ed9\u8f93\u51fa\u8fdb\u5236\u6765\u5728\u5404\u8fdb\u5236\u95f4\u8f6c\u5316\u30022 \u5230 16 \u7684\u8303\u56f4\u5bf9\u4e8e ibase \u5173\u952e\u5b57\u662f\u6709\u6548\u7684\u3002obase \u5173\u952e\u5b57\u7684\u8303\u56f4\u4ece 2 \u76f4\u5230 \/usr\/include\/sys\/limits.h\u6587\u4ef6\u4e2d\u5b9a\u4e49\u7684 BC_BASE_MAX \u503c\u8bbe\u7f6e\u7684\u9650\u5236\u3002\u4e0d\u8003\u8651 […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[8],"tags":[],"class_list":["post-52219","post","type-post","status-publish","format-standard","hentry","category-os"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/52219","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/comments?post=52219"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/52219\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=52219"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=52219"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=52219"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}