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CLI(1)

NAME

cli — A declarative, simple, fast, and fun package for building command line tools in Go

SYNOPSIS

INFO

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DESCRIPTION

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

README

Welcome to urfave/cli

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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.

SEE ALSO

ripgrep(1)— Recursively search directories for a regex pattern — blazingly fastbat(1)— A cat clone with syntax highlighting and Git integrationjq(1)— Command-line JSON processor — sed for JSON datafx(1)— Terminal JSON viewer and processor — interactive explorationconfig-file-validator(1)— Cross Platform tool to validate configuration files
clihub3/4/2026CLI(1)