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A simple, fast, and fun package for building command line apps in Go

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urfave/cli

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Welcome to urfave/cli

Go Reference Go Report Card codecov Tests status

urfave/cli is a declarative, simple, fast, and fun package for building command line tools in Go featuring:

  • commands and subcommands with alias and prefix match support
  • flexible and permissive help system
  • dynamic shell completion for bash, zsh, fish, and powershell
  • no dependencies except Go standard library
  • input flags for simple types, slices of simple types, time, duration, and others
  • compound short flag support (-a -b -c can be shortened to -abc)
  • documentation generation in man and Markdown (supported via the urfave/cli-docs module)
  • input lookup from:
    • environment variables
    • plain text files
    • structured file formats (supported via the urfave/cli-altsrc module)

Documentation

See the hosted documentation website at https://cli.urfave.org. Contents of this website are built from the ./docs directory.

Support

Check the Q&A discussions. If you don't find answer to your question, create a new discussion.

If you found a bug or have a feature request, create a new issue.

Please keep in mind that this project is run by unpaid volunteers.

License

See LICENSE.