pflag
A drop-in replacement for Go's flag package that implements POSIX/GNU-style command-line flags.
What is pflag?
pflag is a Go library that replaces the standard flag package, adding support for POSIX/GNU-style command-line flag syntax. It maintains compatibility with existing Go flag code while extending functionality with features like shorthand flags, flag normalization, and subcommand support.
Go developers building command-line applications who need richer flag handling than the standard library provides, especially those requiring POSIX/GNU-style flags or subcommand support.
Developers choose pflag because it offers drop-in compatibility with Go's native flag package while adding familiar POSIX/GNU conventions, shorthand flags, and advanced features like flag normalization and deprecation support.
Overview
Drop-in replacement for Go's flag package, implementing POSIX/GNU-style --flags.
Use Cases
Best For
- Upgrading existing Go command-line applications to support POSIX/GNU-style flags (e.g., --flag and -f) with minimal code changes.
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