Linux scp hidden file issue

The .. pattern in the {.,}* expansion represents the parent directory (one level above the current directory). This causes the error because scp tries to include the parent directory, which is not what you intend.

Solution:

To avoid including .., you can modify the pattern to match hidden files and directories without the .. directory. Here's the corrected command:

bash 复制代码
scp -r fapuser@158.220.199.227:/home/fapuser/{.[!.],}* .
  • {.[!.],}* ensures that . followed by any character except . is included, which prevents .. from being matched.
  • This pattern will still match hidden files and directories like .bashrc and .config.

This should fix the issue with the unexpected .. directory error.

The reason hidden files aren't transferred is because the * wildcard doesn't match files that start with a dot (.) by default. To include those hidden files, you need to use the {.,}* pattern. Here's how it works:

  • * matches all non-hidden files (files that don't start with a dot).
  • {.,}* matches both hidden files (starting with a dot) and regular files. The {.,} part tells the shell to consider both an empty prefix ("") and a dot (".") as valid matches before the filename.

This way, hidden files like .bashrc will be included in the transfer.

In Bash (and most other shells), the * wildcard is expanded by the shell before the actual command (like scp) is executed.

Here's what happens:

  1. Wildcard Expansion : Bash interprets the * wildcard and expands it to match all the filenames in the specified directory that are not hidden (i.e., do not start with a dot .).
  2. Command Execution : Once the shell expands the wildcard, it passes the resulting list of filenames to the command (in your case, scp).

For example:

bash 复制代码
scp -r fapuser@158.220.199.227:/home/fapuser/* .

If /home/fapuser/ contains files file1, file2, and .bashrc, Bash will expand * to file1 file2 and not .bashrc, so only file1 and file2 will be passed to scp.

This is why you need to use {.,}* if you want to match both hidden and non-hidden files; Bash will expand that pattern to include hidden files as well.

🚀 Looking for reliable cloud servers? Check out @Vultr! Great performance, easy setup, and affordable pricing. Use my ref link to get started: https://www.vultr.com/?ref=7922375 🌍💻 #CloudComputing #Vultr

相关推荐
一只栖枝1 小时前
华为 HCIE 大数据认证中 Linux 命令行的运用及价值
大数据·linux·运维·华为·华为认证·hcie·it
wuicer4 小时前
ubuntu 20.04 安装anaconda以及安装spyder
linux·运维·ubuntu
cui__OaO5 小时前
Linux软件编程--线程
linux·开发语言·线程·互斥锁·死锁·信号量·嵌入式学习
小狗爱吃黄桃罐头5 小时前
正点原子【第四期】Linux之驱动开发篇学习笔记-1.1 Linux驱动开发与裸机开发的区别
linux·驱动开发·学习
小晶晶京京6 小时前
day34-LNMP详解
linux·运维·服务器
画个太阳作晴天6 小时前
A12预装app
linux·服务器·前端
fengyehongWorld6 小时前
Linux crontab定时任务
linux·运维
shuangrenlong7 小时前
ubuntu更新chrome版本
linux·chrome·ubuntu
碎像7 小时前
Linux上配置环境变量
linux·运维·服务器
敲上瘾8 小时前
Linux系统cgroups资源精细化控制基础
linux·测试工具·docker·压力测试·cgroups