To add ~/linux/bin to PATH variable when using a login shell, add this to ~/.config/fish/config. If you want to see what you changed over fish’s defaults, see fish_delta. This is the short version for a full explanation, like for sysadmins or integration for developers of other software, see Configuration files. Use status -is-interactive and status -is-login to do things only in interactive/login shells, respectively.
These files are read on the startup of every shell, whether interactive and/or if they’re login shells. fish scripts in ~/.config/fish/conf.d/ are also automatically executed before config.fish. To store configuration write it to a file called ~/.config/fish/config.fish. This is needed because some scripts are shipped without a shebang line. When executing files without an interpreter, fish, like other shells, tries your system shell, typically /bin/sh. For functions inside fish or when executing a script with fish /path/to/script, a shebang is not required (but it doesn’t hurt!). The shebang line is only used when scripts are executed without specifying the interpreter. This makes it work, whether fish is installed in (for example) /usr/local/bin/fish, /usr/bin/fish, or ~/.local/bin/fish, as long as that directory is in PATH. This will call env, which then goes through PATH to find a program called “fish”. #!/usr/bin/env fish echo Hello from fish $version Once fish has been installed, open a terminal. To install the development version of fish, see the instructions on the project’s GitHub page.
Up-to-date instructions for installing the latest version of fish are on the fish homepage. It also explains how to make fish the default shell. This section describes how to install, uninstall, start, and exit fish. If you need to install fish first, read on, the rest of this document will tell you how to get, install and configure fish. If you are already familiar with other shells like bash and want to see the scripting differences, see Fish For Bash Users.įor a comprehensive overview of fish’s scripting language, see The Fish Language.įor information on using fish interactively, see Interactive use. If this is your first time using fish, see the tutorial.
This page explains how to install and set up fish and where to get more information. No configuration needed: fish is designed to be ready to use immediately, without requiring extensive configuration.Įasy scripting: New functions can be added on the fly. Some of the special features of fish are:Įxtensive UI: Syntax highlighting, Autosuggestions, tab completion and selection lists that can be navigated and filtered. fish offers a command-line interface focused on usability and interactive use. This is the documentation for fish, the friendly interactive shell.Ī shell is a program that helps you operate your computer by starting other programs.
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