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+Incomplete Path Expansion (Completion) For Bash
+======
+
+![](https://4.bp.blogspot.com/-k2pRIKTzcBU/W1BpFtzzWuI/AAAAAAAABOE/pqX4XcOX8T4NWkKOmzD0T0OioqxzCmhLgCLcBGAs/s1600/Gnu-bash-logo.png)
+
+[bash-complete-partial-path][1] enhances the path completion in Bash (on Linux, macOS with gnu-sed, and Windows with MSYS) by adding incomplete path expansion, similar to Zsh. This is useful if you want this time-saving feature in Bash, without having to switch to Zsh.
+
+Here is how this works. When the `Tab` key is pressed, bash-complete-partial-path assumes each component is incomplete and tries to expand it. Let's say you want to navigate to `/usr/share/applications` . You can type `cd /u/s/app` , press `Tab` , and bash-complete-partial-path should expand it into `cd /usr/share/applications` . If there are conflicts, only the path without conflicts is completed upon pressing `Tab` . For instance Ubuntu users should have quite a few folders in `/usr/share` that begin with "app" so in this case, typing `cd /u/s/app` will only expand the `/usr/share/` part.
+
+Here is another example of deeper incomplete file path expansion. On an Ubuntu system type `cd /u/s/f/t/u` , press `Tab` , and it should be automatically expanded to cd `/usr/share/fonts/truetype/ubuntu` .
+
+Features include:
+
+*   Escapes special characters
+
+*   If the user starts the path with quotes, character escaping is not applied and instead, the quote is closed with a matching character after expending the path
+
+*   Properly expands ~ expressions
+
+*   If bash-completion package is already in use, this code will safely override its _filedir function. No extra configuration is required, just make sure you source this project after the main bash-completion.
+
+Check out the [project page][2] for more information and a demo screencast.
+
+### Install bash-complete-partial-path
+
+The bash-complete-partial-path installation instructions specify downloading the bash_completion script directly. I prefer to grab the Git repository instead, so I can update it with a simple `git pull` , therefore the instructions below will use this method of installing bash-complete-partial-path. You can use the [official][3] instructions if you prefer them.
+
+1. Install Git (needed to clone the bash-complete-partial-path Git repository).
+
+In Debian, Ubuntu, Linux Mint and so on, use this command to install Git:
+
+```
+sudo apt install git
+```
+
+2. Clone the bash-complete-partial-path Git repository in `~/.config/`:
+
+```
+cd ~/.config && git clone https://github.com/sio/bash-complete-partial-path
+```
+
+3. Source `~/.config/bash-complete-partial-path/bash_completion` in your `~/.bashrc` file,
+
+Open ~/.bashrc with a text editor. You can use Gedit for example:
+
+```
+gedit ~/.bashrc
+```
+
+At the end of the `~/.bashrc` file add the following (as a single line):
+
+```
+[ -s "$HOME/.config/bash-complete-partial-path/bash_completion" ] && source "$HOME/.config/bash-complete-partial-path/bash_completion"
+```
+
+I mentioned adding it at the end of the file because this needs to be included below (after) the main bash-completion from your `~/.bashrc` file. So make sure you don't add it above the original bash-completion as it will cause issues.
+
+4\. Source `~/.bashrc`:
+
+```
+source ~/.bashrc
+```
+
+And you're done, bash-complete-partial-path should now be installed and ready to be used.
+
+
+
+--------------------------------------------------------------------------------
+
+via: https://www.linuxuprising.com/2018/07/incomplete-path-expansion-completion.html
+
+作者：[Logix][a]
+选题：[lujun9972](https://github.com/lujun9972)
+译者：[译者ID](https://github.com/译者ID)
+校对：[校对者ID](https://github.com/校对者ID)
+
+本文由 [LCTT](https://github.com/LCTT/TranslateProject) 原创编译，[Linux中国](https://linux.cn/) 荣誉推出
+
+[a]:https://plus.google.com/118280394805678839070
+[1]:https://github.com/sio/bash-complete-partial-path
+[2]:https://github.com/sio/bash-complete-partial-path
+[3]:https://github.com/sio/bash-complete-partial-path#installation-and-updating