If there's more than one possibility, it will list them: > ~/stuff/s (Executable, 4.8kB) ~/stuff/sources/ (Directory) Type a command once, and you can re-summon it by just typing a few letters: > r /pri → /private/ It knows about paths and options: > grep -i gnore-caseĪnd history too. > grep fish ~/output.txt 2> ~/errors.txtįish suggests commands as you type, and shows the suggestion to the right of the cursor, in gray. Stdin and stdout can be redirected via the familiar. You can pipe between commands with the usual vertical bar: > echo hello world | wc 1 2 12 If that directory traversal is taking a long time, you can Control - C out of it. You can include multiple wildcards: > ls l*.p* lena.png lesson.pdfĮspecially powerful is the recursive wildcard ** which searches directories recursively: > ls /var/**.log /var/log/system.log /var/run/sntp.log To list all JPEG files: > ls *.jpg lena.jpg meena.jpg santa maria.jpg These colors, and many more, can be changed by running fish_config, or by modifying variables directly.įish supports the familiar wildcard *. This tells you that there exists a file that starts with ' somefi', which is useful feedback as you type. When the command becomes valid, it is shown in a different color: > /bin/mkdirįish will underline valid file paths as you type them: > cat ~/somefi Invalid commands are colored red by default: > /bin/mkdĪ command may be invalid because it does not exist, or refers to a file that you cannot execute. You'll quickly notice that fish performs syntax highlighting as you type. > man set set - handle shell variables Synopsis. You can also ask for help with a specific command, for example, help set to open in a web browser, or man set to see it in the terminal. Run help to open help in a web browser, and man to open it in a man page. You can include a literal space in an argument with a backslash, or by using single or double quotes: > mkdir My\ Files > cp ~/Some\ File 'My Files' > ls "My Files" Some Fileįish has excellent help and man pages. Spaces are separators: > echo hello world hello world If you have a strong understanding of other shells, and want to know what fish does differently, search for the magic phrase unlike other shells, which is used to call out important differences.įish runs commands like other shells: you type a command, followed by its arguments.
This tutorial assumes a basic understanding of command line shells and Unix commands, and that you have a working copy of fish. to switch to fish permanently see switch your default shell to fishįrom now on, we'll pretend your prompt is just a ' >' to save space.
Add to path fish shell how to#
to change this prompt see how to change your prompt.This prompt that you see above is the fish default prompt: it shows your username, hostname, and working directory. > fish Welcome to fish, the friendly interactive shell Type help for instructions on how to use fish You will be greeted by the standard fish prompt, which means you are all set up and can start using fish: Once installed, just type in fish into your current shell to try it out! If you want to make your command line more productive, more useful, and more fun, without learning a bunch of arcane syntax and configuration options, then fish might be just what you're looking for! fish supports powerful features like syntax highlighting, autosuggestions, and tab completions that just work, with nothing to learn or configure. fish tutorialįish is a fully-equipped command line shell (like bash or zsh) that is smart and user-friendly.
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