Questions tagged [fish]
The friendly interactive shell (fish) is a Unix shell that focuses on interactive use, discoverability, and user friendliness.
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chain Fish commands via `&&` or `||`
In Bash/ZSH and other shells, I am used to using && and ||.
Is there any equivalent in Fish?
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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 ...
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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 ...
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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 ...
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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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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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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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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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21
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answer
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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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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 ...
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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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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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How to do command substitution in fish shell?
How would a Bash (or other POSIX shell) command like this have to be expressed in fish?
ls -l $(which vim) # or
ls -l `which vim`
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How to use fish shell in cygwin?
Is it possible to use the fish shell with cygwin? I wasn't able to compile the source in cygwin, and I didn't find any precompiled packages. Is there a good reason for not having fish in cygwin?
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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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Make bash as close to fish as possible
I love the fish shell and use it exclusively in MacOS but I use bash everywhere else because its the only thing installed. Having felt the pain of maintaining configuration files for the two shells, I'...
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How do I install/make a custom prompt for fish shell?
I'm using fish 2.0 on Linux, but this might be an installation error, since my ~/.config/fish/config.fish is empty.
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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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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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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 ...
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Reuse .bash_profile for Fish in Mac
I'm using iTerm on my Mac and I have a .bash_profile that I have been comfortably using. I recently got to know about fish bash and I installed it on my Mac and all of a sudden my .bash_profile is not ...
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Where does fish_config save its settings?
I've used the fish_config utility to customize my syntax color scheme and now I want to copy these settings to remote servers I can't run fish_config on. Where does it save the changes made through ...
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$PATH is driving me nuts
OK, apologies if this is something dumb, but I'm running out of ideas.
Goal: prepend /usr/local/bin to $PATH
Problem: $PATH won't do what I want or expect
How I got here: I want to start learning ...
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Right and fast way to test git directory and git branch?
While trying to set up my new fish shell prompt, I ended up testing ways to get the branch name and also testing if I was on a git repository. I have found (1) git rev-parse --abbrev-ref HEAD, (2) git ...
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Why is it not recommended to set the default shell of the root user to a non-POSIX shell?
I am going to change my root’s default shell from bash to fish. As far as I know, fish is a not a POSIX standard shell. On the other hand, maybe the kernel or other things in the system have a ...
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Fish Shell - can't find where "la" is defined as "ls -la"
On both my Mac and Ubuntu when I type "la" in Fish Shell I receive output identical to that from "ls -la". I thought I might have defined it as a function. However, I can not find "la" being defined ...
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Where is the best place to add an “ssh-add” command in fish shell startup?
At some point I added an ssh-add invocation to my config.fish file. So every time I open a terminal, that runs for a couple of seconds.
Is there a better place to set this, so that it runs upon login? ...
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What's the easiest way to prepend the current time to the fish prompt?
I'd like to see the current time in my fish prompt so that I can always see for example when I started the last command. I don't want to install extensions.
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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).
...
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How can I ask `fish` to enumerate all the locations it's reading configuration from?
When I start fish, I'd like it to print every location it's reading configuration, profiles, and customizations from, so that I can:
understand which specific paths I need to backup if I want to ...
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how to run ssh-agent in fish shell?
I was running eval `ssh-agent -s\`
I get this error
fish: Unknown command: `ssh-agent
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Go-lang go tool works with Bash but not Fish
For those of you who have no idea what Fish is: http://fishshell.com/
Similarly, if you are not familiar with a Go coding environment and still wish to try and figure out this small puzzle, here is ...
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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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How can I do string manipulation in fish shell
How can I do bash style string manipulations in Fish shell?
Specifically, in bash
read branch < ".git/HEAD"
branch=${branch#ref: refs/heads/}
will put the branch name in $branch variable.
How ...
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Using MacPorts within FISH shell
I have been playing around with FISH for a few days and I just tried to switch it to my main shell. That worked fine but now none of my software from MacPorts is recognized.
I installed and followed ...
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How to split a string (of arguments) in fish?
I want to split "-r --run" into "-r" and "--run"
for
string split " " "-r --run"
I get
string split: -r --run: unknown option` as an error
It is ...
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How to combine the output of multiple commands in fish?
Say I want to send the output of to commands into another.
cat a.txt && ls
I can do this:
fish -c "cat a.txt && ls" | another_command
But it seems clunky, is there a way to do this ...
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How to set a specific version of Java as JAVA_HOME in Fish in macOS
I was using Bash as my default shell on macOS but I decided to switch to Fish.
I am trying to switch between different versions of Java. In bash it was done using the ~/.bash_profile
export ...
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Change prompt on command line?
My prompt is quite verbose - which is good most of the time - but now I would like to switch it temporarily because I want to make a screen shot of the terminal. For that purpose I would prefer not to ...
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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@ ~ %, ...
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"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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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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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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When default shell is not bash-compatible, why do bash scripts not work well?
My default shell is fish, because it's a lot nicer. But often when I run scripts, I get errors that seem to be from the bash script being processed by fish. I think this is because the script writer ...
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/bin/bash shell (macOS) throwing `-bash: declare: -A: invalid option` error message at shell start
I briefly changed my default shell on macOS Catalina (10.15.1) to Fish, following the steps in Fish's documentation.
First, I executed > echo /usr/local/bin/fish | sudo tee -a /etc/shells followed ...
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No colors in weechat, tig, htop, ranger, etc
I noticed that on my Mac I don't have any colors in e.g., tig, weechat, htop or ranger. On my linux I do. It happens in all terminal apps I have (alacritty, iterm and Terminal.app), in zsh, fish and ...
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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 ...
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Quote or bracket completion in bash, without pressing TAB
Is there any way to have bash autocomplete matching symbols like '"[{( with their right handed counterparts?
I would like to do this without having to press tab.
For example typing the string echo " ...
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How do I set the title of Terminal.app with the fish shell?
I'm trying the fish shell in Mac OS X, intalled using MacPorts. I'd like to have the title of my Terminal window be my current directory. Currently, the title just says
Terminal - fish - 80x24
...
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Execute two or more commands simultaneously in shell script
It is often very helpful to run commands in parallel in a shell script, but I cannot find ways to do it. Is this possible? If so, how would I achieve that? I'm mainly interested in doing that for fish....
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