https://blog.youkuaiyun.com/sugong2021zh-cnhttps://blog.youkuaiyun.com/https://blog.youkuaiyun.com/sugong2021/article/details/137072309https://blog.youkuaiyun.com/sugong2021/article/details/137072309sugong2021Fri, 29 Mar 2024 17:11:52 +0800https://blog.youkuaiyun.com/sugong2021/article/details/137054886https://blog.youkuaiyun.com/sugong2021/article/details/137054886sugong2021Tue, 26 Mar 2024 19:28:02 +0800https://blog.youkuaiyun.com/sugong2021/article/details/133175012https://blog.youkuaiyun.com/sugong2021/article/details/133175012sugong2021Fri, 22 Sep 2023 23:52:12 +0800https://blog.youkuaiyun.com/sugong2021/article/details/132057871https://blog.youkuaiyun.com/sugong2021/article/details/132057871sugong2021Wed, 02 Aug 2023 16:49:00 +0800https://blog.youkuaiyun.com/sugong2021/article/details/132051796https://blog.youkuaiyun.com/sugong2021/article/details/132051796sugong2021Tue, 01 Aug 2023 23:31:03 +0800https://blog.youkuaiyun.com/sugong2021/article/details/132009265https://blog.youkuaiyun.com/sugong2021/article/details/132009265sugong2021Sun, 30 Jul 2023 22:33:23 +0800https://blog.youkuaiyun.com/sugong2021/article/details/131697008https://blog.youkuaiyun.com/sugong2021/article/details/131697008sugong2021Thu, 13 Jul 2023 19:51:59 +0800https://blog.youkuaiyun.com/sugong2021/article/details/130983045https://blog.youkuaiyun.com/sugong2021/article/details/130983045sugong2021Thu, 13 Jul 2023 10:21:14 +0800https://blog.youkuaiyun.com/sugong2021/article/details/128217750https://blog.youkuaiyun.com/sugong2021/article/details/128217750sugong2021Wed, 14 Dec 2022 20:51:27 +0800>)来追加数据。默认情况下，n为1，表明跳出的是当前的循环。如果你将n设为2，break命令就会停止下一级的外部循环。bash shell用大于号(>)来完成这项功能：command > outputfile。wc命令可以对对数据中的文本进行计数。停止外部循环，break命令接受单个命令行参数值：break n。双圆括号：可以是任意的数学赋值或比较表达式。]]>https://blog.youkuaiyun.com/sugong2021/article/details/127636391https://blog.youkuaiyun.com/sugong2021/article/details/127636391sugong2021Tue, 01 Nov 2022 17:23:53 +0800https://blog.youkuaiyun.com/sugong2021/article/details/126959782https://blog.youkuaiyun.com/sugong2021/article/details/126959782sugong2021Tue, 20 Sep 2022 19:27:10 +0800https://blog.youkuaiyun.com/sugong2021/article/details/126611212https://blog.youkuaiyun.com/sugong2021/article/details/126611212sugong2021Tue, 30 Aug 2022 19:54:26 +0800https://blog.youkuaiyun.com/sugong2021/article/details/126254973https://blog.youkuaiyun.com/sugong2021/article/details/126254973sugong2021Tue, 09 Aug 2022 20:31:09 +0800https://blog.youkuaiyun.com/sugong2021/article/details/126231902https://blog.youkuaiyun.com/sugong2021/article/details/126231902sugong2021Mon, 08 Aug 2022 20:49:54 +0800https://blog.youkuaiyun.com/sugong2021/article/details/126182777https://blog.youkuaiyun.com/sugong2021/article/details/126182777sugong2021Fri, 05 Aug 2022 19:22:12 +0800https://blog.youkuaiyun.com/sugong2021/article/details/126181359https://blog.youkuaiyun.com/sugong2021/article/details/126181359sugong2021Fri, 05 Aug 2022 17:05:32 +0800&1就是用来将标准错误2重定向到标准输出1中的。此处1前面的&就是为了让bash将1解释成标准输出而不是文件1。至于最后一个&，则是让bash在后台执行。1 代表STDOUT_FILENO 标准输出（一般是显示屏，准确的说是用户终端控制台），> 直接把内容生成到指定文件，会覆盖原来文件中的内容[ls > test.txt],...]]>https://blog.youkuaiyun.com/sugong2021/article/details/125979567https://blog.youkuaiyun.com/sugong2021/article/details/125979567sugong2021Mon, 25 Jul 2022 19:29:39 +0800https://blog.youkuaiyun.com/sugong2021/article/details/125791387https://blog.youkuaiyun.com/sugong2021/article/details/125791387sugong2021Mon, 25 Jul 2022 17:19:39 +0800https://blog.youkuaiyun.com/sugong2021/article/details/125476195https://blog.youkuaiyun.com/sugong2021/article/details/125476195sugong2021Mon, 27 Jun 2022 22:29:23 +0800https://blog.youkuaiyun.com/sugong2021/article/details/125340313https://blog.youkuaiyun.com/sugong2021/article/details/125340313sugong2021Fri, 17 Jun 2022 23:48:02 +0800