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tldr/pages/common/fish.md
Emily Grace Seville b3cd39d9b6
fish: update page (#7415) 
* fish tldr clean-up:

- short options preferred over long ones
- page made more consistent with elvish page (check my PR)
- commands reordered: interactive commands, non-interactive commands
- set command example removed because it is example of Fish language but not of fish command

* Update md to be consistent with #7416 issue:
* Simplify version print command description
* Use long options
* --no-execute change: it is assumed that script is not executed by default after syntax check
* Return set -Ux example
* set builtin description fix
2021-11-25 20:46:27 +00:00

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fish

The Friendly Interactive SHell, a command-line interpreter designed to be user friendly. More information: https://fishshell.com.

  • Start an interactive shell session:

fish

  • Start an interactive shell session without loading startup configs:

fish --no-config

  • Execute a command:

fish --command "{{command}}"

  • Execute a script:

fish {{path/to/script.fish}}

  • Check a script for syntax errors:

fish --no-execute {{path/to/script.fish}}

  • Start an interactive shell session in private mode, where the shell does not access old history or save new history:

fish --private

  • Define and export an environmental variable that persists across shell restarts (builtin):

set --universal --export {{variable_name}} {{variable_value}}

  • Print the version:

fish --version