The friendly interactive shell (fish) is a Unix shell that focuses on interactive use, discoverability, and user friendliness.

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5answers
976 views

fish control-left control-right keybindings

I'm using terminator along with fish and I want to use Alt-Left etc for navigating terminator and Ctrl-Left and Ctrl-right to move the cursor by word. The problem is when I do bind \cleft backward-...
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0answers
11 views

In fish shell, which command is equivalent to bash's compgen?

compgen is a useful command, and fish is an excellent command shell. But I cannot find an equivalent in fish. I write one by myself: function compgen --description 'Print a list of documented fish ...
4
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2answers
4k views

How do you “source” a file in fish?

I'd like to use keychain with the fish shell, but I'm not sure how to get fish to load the ~/.keychain/hostname-fish file to set the appropriate environment variables. In bash, there's the "source" ...
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1answer
19 views

How to keep terminal window title in sync with tmux window

I am using a program called "Timing" to track my time. Timing uses the name of the current window in iTerm for categorization purposes. I'd like to set the current title of iTerm to match the name of ...
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2answers
24 views

Very weird directory when editing a function in Fish

I am just curious what the meaning is of this bizarre directory from which atom is launched to edit a function from the Fish shell. Anyone have any idea?
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1answer
30 views

How to expand aliases in fish shell?

In bash you can expand an alias you type. For example if I have an alias cmd="cd ~/user", typing in cmd and then hitting Ctrl+Alt+e would change it to cd ~/user. Is there a way to do this with fish?
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2answers
72 views

Ctrl-enter for fish shell

I had tried to create some accept completion and execute right away combination in fish on pressing Ctrl+Enter. function fish_user_key_bindings bind \c\n accept-autosuggestion execute end ...
4
votes
2answers
952 views

How to remove a path from $PATH variable in fish?

I am using fish as my shell in Debian and recently (after some upgrade) whenever I try to use command completion I have: set: No such file or directory set: Could not add component /usr/lib/x86_64-...
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1answer
30 views

Different options for installing Fish shell on OS X

I want to install Fish on my Mac, and there are three different installation options on the Fish website: there is an installer, installation via Homebrew, and an app. Which one of these should I ...
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2answers
21 views

Unescaped commandline content in fish shell

Is there a way to get the unescaped content of command line in fish? I mean if command line is like ... $ ls 'foo' "bar" ... the desired output would be ls 'foo' "bar". The commandline fish ...
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4answers
2k views

What is the equivalent of bash's !$ and !! in the fish shell?

I've been using bash for a decade or so and have gotten used to being able to type !$ to repeat the last argument, e.g.: $ mkdir foo $ cd !$ cd foo (That last line is printed by the shell to tell ...
9
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2answers
5k views

Why am I having / how can I fix this error: “shell_session_update: command not found”

Background I am getting into Ruby 2.x, and Rails 4.x, on a MacBook using OS X El Capitan (10.11.3), using the fish shell, employing the integration listed on this page: RVM - Fish Shell (Integration) ...
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1answer
196 views

Fish terminal + iTerm, only run shell integration if terminal is iTerm

iTerm has a shell integration script that enables some fancy features, as in having the ability to scroll up to last prompt (in case if there was a lot of stdout i.e. when compiling some code). ...
0
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1answer
33 views

Pipe in Environment variable in fish shell doesn't execute the first command?

I want to set fish_greeting to date --rfc-2822 | cowsay -f tux | lolcat (don't judge me). When I run date --rfc-2822 | cowsay -f tux | lolcat interactively, I get the proper output (the date in a ...
2
votes
2answers
143 views

Add abbreviations in fish config

I would like to use the abbreviations feature of the fish shell, especially for the known bash variable !! or aliases to common git commands. I know that abbreviations can be added like in the ...
13
votes
2answers
999 views

Bind shift-tab to complete-backward in fish

I found myself using the auto-complete functionality of the fish-shell, where pressing tab twice or more cycles through the suggestions. But then I accidentaly pressed tab once to many, and I wanted ...
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1answer
662 views

“set -xe” in fish shell

In bash, invoking set -x at the beginning of a script causes the commands to be printed on stdout while the script is executing. What's the equivalent syntax for the fish shell?
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7answers
5k views

re-use '~/.profile` for Fish?

(I'm talking about the shell Fish, esp. Fish's Fish.) For Bash/ZSH, I had ~/.profile with some exports, aliases and other stuff. I don't want to have a separate config for environment variables for ...
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2answers
1k views

How to get Fish shell and NVM both installed with Homebrew to work together?

I am trying to manage my packages for OSX using Homebrew as much a I can. I have installed both the Fish Shell and NVM using Homebrew but cannot get Fish to recognize my NVM installation. NVM ...
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1answer
49 views

How to chain a group of commands in Fish like { … } Bash?

I'm aware of chain Fish commands via && or || but I'm willing to chain a set of commands Code env git clone --depth=1 https://github.com/rafaelrinaldi/theme-pure.git; or { printf "Error: ...
0
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1answer
47 views

Using rbenv with the fish shell

When using the recommanded way to setup rbenv, `eval "$(rbenv init -)", I get: $(...) is not supported. In fish, please use '(rbenv)'. ~/.config/fish/config.fish (line 5): eval "$(rbenv init -)" ...
18
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4answers
5k views

sudo keeps asking me for my password in fish shell

sudo in Ubuntu keeps asking me for my password for every command. Previously, I only had to enter the password once, and then it would be remembered for a period of time. This recently changed, ...
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2answers
3k views

Running the output of `ssh-agent` in fish; what does `setenv` do?

When I want to start (or restart) ssh-agent, it gives me a few commands that I should run by doing eval $(ssh-agent). Of course this fails for fish, since it gives syntax for bash or csh. The ...
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0answers
32 views

For what purpose is the '&-' file descriptor used in fish?

From the fish manual: [The File Descripter may be] an ampersand followed by a minus sign (&-). The file descriptor will be closed From the Arch wiki:. Silencing standard output: $ ...
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1answer
94 views

Trouble installing fish shell on OS X non-admin user group

I am struggling to install the fish shell on OS X El Capitan. My user structure is setup so I have an administrator account and a standard account. The standard account is the one that I use and ...
2
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1answer
159 views

Is administrator account necessary in order to use shells such as zsh and fish?

I have a weird situation. I’m using Mac OS X 10.11 (El Capitan) and iTerm2. Zsh is listed by default in /etc/shells as /bin/zsh, and this allows me to use Zsh without any issues on my standard ...
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3answers
3k views

Is there a “reverse incremental search” functionality in Fish similar to Bash’s CTRL+R?

I’m really impressed with Fish’s autocomplete functionality. However there is one feature in Bash that I’m unable to find in Fish. When you press Ctrl+R in Bash and begin to type out a term, a search ...
2
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0answers
46 views

How to get fish-style formatting with less

Let's say I run a command like ls in fish and get lots of output, how do I scroll through it and still keep the fish formatting or something like it? ls | less doesn't keep the formatting. I know ...
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0answers
244 views

Creating an alias for in fish shell: The file 'vim' is not executable by this user

I'm trying to create an alias for vim to execute vimx. After creating a new terminal when I try to auto complete vi, I get the following error: fish: The file 'vim' is not executable by this user /...
2
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3answers
82 views

What's the fatest way to calculate in command line?

Is there a faster way to calculate in command line the following: echo "4 * 5" | bc
12
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3answers
2k views

How to run a command in background with no output unless there's an error

How to suppress a command's output but show it if the command exit codes an error?
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0answers
84 views

RVM is not a function message when using fish shell

I'm trying to use rvm from within the fish shell rvm gemset use rails3 I'm getting the following error message from fish RVM is not a function, selecting rubies with 'rvm use ...' will not work. ...
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2answers
24 views

Can a fish script distinguish between being sourced and executed?

I have a fish script that exports some variables and launches a command at the end. I'd like to be able to source this file to bring these variables into the current shell session, but without ...
0
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0answers
40 views

using FISH shell — set default folder for multiple tabs?

I'm using fish shell in OS X. Using the standard bash shell, you can open multiple tabs in Terminal, cd to a different directory in each, and then save the setup as a Window Group (via Window > ...
1
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1answer
511 views

How do I get fish shell prompt to show the hostname?

I'm attempting to make my Fish prompt look like the old Gentoo shell did. user@hostname ~ % where the user@hostname is green, and the $PWD and symbol were blue. Right now it only shows: user@ ~ %, ...
1
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1answer
88 views

Escape-backspace behavior in fish shell like in other shells

I recently started using the fish shell for some things and generally like it. However I've run across one situation that would be great if there were a workaround. Say I typed a command like this: ...
0
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1answer
121 views

Fish Shell STDERR not outputted by default

I am using the fish shell, which until this moment had been a perfect replacement of the good old bash, but I came across the following problem. fish does not forward STDERR to STDOUT. Of course if I ...
0
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2answers
141 views

Run git command from an external directory in fish function

In a fish function, can I run a command from a certain directory without changing into it? or Can I run a git command (push) from outside the repository by specifying its path somehow? I'd like ...
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1answer
44 views

$status in Fish prompt always prints 0

I tried to add $status to my prompt in the fish shell but it always prints 0. This question was asked on irc a while back and i'm surprised there wasn't a answer here so i thought i'd post it here ...
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2answers
2k views

How do I change EDITOR to be Pico in fish shell?

I can’t get Mercurial (hg) to use pico as my EDITOR when I’m using fish shell. I’ve tried using this and other variations, but nothing seems to help: set -U EDITOR pico hg commit will always open ...
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1answer
329 views

How can I enable tab completion for a fish function/alias?

Probably easier to just use an example here. I have a function ss that just calls: sudo systemctl $argv Tab completion works fine with the full command, but not for the ss function. I.e., ss start ...
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1answer
100 views

Custom bash 'context' when running from FISH

First of all, I'm on OSX10. My default shell is BASH, which I have set up (through .profile and .bashrc) to automatically run the FISH shell when I open my terminal emulator. This allows me to set up ...
26
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2answers
9k views

Is there any way to get bash to have syntax highlighting like fish?

In the fish shell, the actual command line is syntax highlighted: Is there any way to get this same behavior in bash? There is something just like this but for zsh, not bash. Is it possible that ...
1
vote
1answer
219 views

How to get byobu help screen (shift-F1) to work under a fish login shell?

I can get the Shift-F1 to show the help for a user that has fish as login shell. I get a glimpse of an error message that gets quickly overwritten. It says fish: Variables may not be used as ...
2
votes
1answer
526 views

How do I run make && make install while in fish shell

I have installed the fish shell, and I'm very happy with it ... but I cannot run the following command: make && make install This works nicely in bash... How do I run it in fish shell?
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1answer
1k views

How to set fish as default shell in Cygwin?

I installed fish and can start it. Now I would like to use it as my default shell in Cygwin. How may I achieve this? So far I tried two thing. I overwrote the content of /etc/shells with /bin/fish ...
2
votes
1answer
948 views

Is there a way to “source” a sh script from the fish shell?

I like to put many of my environment variable definitions in the .profile script. If I am using a POSIX-compatible interactive shell like bash, I can use the source command to re-export the ...
44
votes
1answer
7k views

chain Fish commands via `&&` or `||`

In Bash/ZSH and other shells, I am used to using && and ||. Is there any equivalent in Fish?
2
votes
1answer
218 views

Can't start new fish session after incorrectly closing fish_config

I'm trying out fish (the friendly interactive shell), and tried out the browser-based config with fish_config. I didn't close this correctly. I hit ctrl-C in my shell. Now I see the error "The ...
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0answers
49 views

How to refer to absolute paths in fish?

I'm trying to get fish to recognize an absolute path, either when changing directories or when giving an input to a program. I'm used to typing an absolute path as "C:/..." but in fish the only way I ...