A modular framework for building robust, portable applications in POSIX-compliant shell script.
Shellfire is a modular framework for building applications in POSIX-compliant shell script. It abstracts away differences between shell interpreters like bash, dash, and ksh, and provides reusable libraries for tasks like JSON/XML parsing, secure HTTP requests, and dependency management. It solves the pain of writing portable, robust shell scripts that work across Linux, macOS, BSD, and other Unix-like systems.
System administrators, DevOps engineers, and developers who need to write portable, maintainable shell scripts for automation, bootstrapping, or embedded environments. It's especially useful for those working in constrained environments where installing Python/Ruby/Perl is impractical.
Developers choose Shellfire because it provides a comprehensive, batteries-included toolkit for shell scripting without external runtime dependencies. Its modular design promotes code reuse, cross-shell compatibility ensures portability, and features like secure curl wrappers and structured data parsers address common shell scripting pitfalls.
A repository of namespaced, composable shell (bash, sh and dash) function libraries. Takes aware the pain of shell scripting, making it robust and reusable. Includes secure curl usage, JSON, XML and Debian control file parsers, dependency documentation via attributes, and more. Batteries ARE included.
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Abstracts differences and bugs between bash, dash, ash, and ksh88 derivatives, ensuring scripts run consistently on Linux, macOS, BSD, and other platforms without modification.
Provides namespaced modules for JSON/XML parsing, secure curl usage, and Debian control files, reducing reliance on external binaries and promoting code reuse.
Automatically documents and installs required binaries via a framework that sets up PATH and installs packages, ensuring consistent behavior across different systems.
Includes a hierarchical configuration framework with security checks that prevent loading insecurely permissioned files and allow administrators to lock sensitive values.
Offers tools like 'fatten' to create single-file scripts and 'swaddle' for packaging, making it easy to distribute and deploy applications without external dependencies.
The README admits 'not much yet' in terms of real-world usage, which means fewer community contributions, examples, and third-party integrations compared to established scripting languages.
Requires creating a repository with a skeleton structure and adding modules, which can be overkill for quick or simple scripting tasks and introduces a learning curve.
Pure shell implementations like JSON parsing and XML handling may be slower for large datasets compared to using external binaries or higher-level languages like Python.
Does not support ksh93 or zsh, and has issues with MinGW MSYS due to bash 3.1 bugs, which could be a barrier for teams using those environments exclusively.