Linux 如何在鱼壳中定义别名？

How to define an alias in fish shell?

提问by armandino

I would like to define some aliases in fish. Apparently it should be possible to define them in

我想在fish中定义一些别名。显然应该可以在

~/.config/fish/functions

but they don't get auto loaded when I restart the shell. Any ideas?

但是当我重新启动 shell 时它们不会自动加载。有任何想法吗？

采纳答案by Bozhidar Batsov

Just use alias. Here's a basic example:

只需使用alias. 这是一个基本示例：

# Define alias in shell
alias rmi "rm -i"

# Define alias in config file
alias rmi="rm -i"

# This is equivalent to entering the following function:
function rmi
    rm -i $argv
end

# Then, to save it across terminal sessions:
funcsave rmi

This last command creates the file ~/.config/fish/functions/rmi.fish.

最后一条命令创建文件~/.config/fish/functions/rmi.fish.

Interested people might like to find out more about fish aliases in the official manual.

有兴趣的人可能想在官方手册中找到更多关于鱼别名的信息。

回答by Jerub

This is how I define a new function foo, run it, and save it persistently.

这就是我定义一个新函数foo、运行它并持久保存它的方式。

sthorne@pearl~> function foo
                    echo 'foo was here'
                end
sthorne@pearl~> foo
foo was here
sthorne@pearl~> funcsave foo

回答by seaslee

1. if there is not config.fishin ~/.config/fish/, make it.
2. there you can write your function .function name; command; end

1. 如果没有config.fish在〜/的.config /鱼/，做到这一点。
2. 在那里你可以写你的函数。function name; command; end

回答by martisj

Save your files as ~/.config/fish/functions/{some_function_name}.fishand they should get autoloaded when you start fish.

将您的文件另存为~/.config/fish/functions/{some_function_name}.fish，当您开始钓鱼时，它们应该会自动加载。

回答by glenn Hymanman

For posterity, fish aliases are just functions:

对于后代，鱼别名只是函数：

$ alias foo="echo bar"
$ type foo
foo is a function with definition
function foo
    echo bar $argv; 
end

To remove it

删除它

$ unalias foo
/usr/bin/unalias: line 2: unalias: foo: not found
$ functions -e foo
$ type foo
type: Could not find “foo”

回答by pawelkl

To properly load functions from ~/.config/fish/functions

从~/.config/fish/functions正确加载函数

You may set only ONEfunction inside file and name file the same as function name + add .fish extension.

您只能在文件中设置一个函数，并将文件命名为与函数名称相同的名称 + 添加 .fish 扩展名。

This way changing file contents reload functions in opened terminals (note some delay may occur ~1-5s)

这种方式在打开的终端中更改文件内容重新加载功能（注意可能会出现一些延迟~1-5s）

That way if you edit either by commandline

这样，如果您通过命令行编辑

function name; function_content; end

then

然后

funcsave name

you have user defined functions in console and custom made in the same order.

您在控制台中拥有用户定义的功能，并以相同的顺序定制。

回答by Mike

make a function in ~/.config/fish/functions called mkalias.fish and put this in

在 ~/.config/fish/functions 中创建一个名为 mkalias.fish 的函数并将其放入

function mkalias --argument key value
  echo alias $key=$value
  alias $key=$value
  funcsave $key
end

and this will create aliases automatically.

这将自动创建别名。

回答by CookAtRice

fish starts by executing commands in ~/.config/fish/config.fish. You can create it if it does not exist:

fish 通过在 ~/.config/fish/config.fish 中执行命令开始。如果它不存在，您可以创建它：

vim ~/.config/fish/config.fish

vim ~/.config/fish/config.fish

and save it with :wq

并保存它 :wq

step1. make configuration file (like .bashrc)

第1步。制作配置文件（如.bashrc）

config.fish

配置文件

step2. just write your alias like this;

第2步。像这样写你的别名；

alias rm="rm -i"

别名 rm="rm -i"

回答by Tobias Mühl

If you add an abbrinstead of an aliasyou'll get better auto-complete. In fish abbrmore closely matches the behavior of a bash alias.

如果你添加一个abbr而不是一个，alias你会得到更好的自动完成。在fish中abbr更接近于bash别名的行为。

abbr -a gco git checkout

Will -add a new abbreviation gcothat expands to git checkout.

将-aDD新abbreviationgco是扩展到git checkout。

Here's a video demo of the resulting auto-complete features

这是生成的自动完成功能的视频演示