Shellcheck VS PhpMetrics

• Static Code Analysis
  ShellCheck provides static analysis for shell scripts, allowing developers to catch errors and potential bugs without executing the script.
• Comprehensive Error Detection
  It identifies a broad range of issues, including syntax errors, semantic errors, and best practice violations, helping to improve script reliability.
• Suggestions for Improvements
  ShellCheck offers suggestions and fixes for many issues it detects, assisting developers in adhering to best practices.
• Wide Compatibility
  ShellCheck supports various shell dialects, including Bash, Dash, and others, making it versatile for different environments.
• Open Source
  Being open-source, ShellCheck is freely available to everyone, with a community that contributes to its improvement and updates.
• Integration with Editors
  ShellCheck integrates with various text editors and IDEs, enabling seamless error checking within the developer's workflow.

Possible disadvantages

• Learning Curve
  Users may need time to learn and understand ShellCheck's feedback, especially if they are not familiar with shell scripting best practices.
• Potential Overhead
  While it provides valuable insights, using ShellCheck can add an overhead to the development process as scripts need to be checked and errors reviewed.
• Not a Substitute for Testing
  ShellCheck should not be considered a substitute for thorough testing. Scripts still need to be executed to ensure functional correctness.
• False Positives
  Like many static analyzers, ShellCheck may generate false positives, which can be misleading and require manual verification by the developer.
• Resource Intensive for Large Scripts
  Analyzing very large or complex scripts might consume significant resources, potentially slowing down the workflow on older machines.

• Comprehensive Analysis
  PhpMetrics provides in-depth analysis of PHP codebases, offering metrics like cyclomatic complexity, maintainability index, and more, which can help developers understand the health and quality of their code.
• Visualization
  It offers appealing and informative visual reports, including graphs and charts, making it easier to interpret and communicate the metrics to stakeholders.
• Ease of Use
  With simple installation and usage instructions, PhpMetrics is relatively easy to integrate into existing projects, allowing developers to quickly start analyzing their code.
• Open Source
  As an open-source tool, PhpMetrics is free to use and can be modified to fit specific needs, encouraging collaboration and community contributions.
• Continuous Integration Support
  PhpMetrics can be integrated into continuous integration (CI) pipelines, enabling automated code quality checks during the development lifecycle.

Possible disadvantages

• Limited Language Support
  PhpMetrics is designed specifically for PHP, which might be a limitation for teams working with multiple programming languages and looking for a unified analysis tool.
• Performance
  On large codebases, PhpMetrics might experience performance issues, such as slow processing times, which can hinder its use in some production environments.
• Dependency Management
  It may require managing various dependencies and PHP extensions, which can be cumbersome, especially for developers unfamiliar with its setup process.
• Complexity for Beginners
  The vast range of metrics and analytical data provided can be overwhelming for beginners or developers who are not familiar with code quality metrics.
• Customization Limitations
  While PhpMetrics is open-source, there might be limitations in terms of customizing the reports and metrics if the developer's needs extend beyond what is offered by default.

Linting Your Bash Scripts with Shellcheck

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• Haskell: A Great Procedural Language

  The other ones most people point to are https://pandoc.org and https://shellcheck.net. - Source: Hacker News / almost 2 years ago

• I reduced the size of my Docker image by 40% – Dockerizing shell scripts

  > Are "Random shell scripts from the internet" categorically worse than "random docker images from the internet"? > With the shell script, you can literally read it in an ... ... https://shellcheck.net. Can't do that if all... - Source: Hacker News / over 2 years ago

• TermiC: Terminal C, Interactive C/C++ REPL shell created with BASH

  Nice script. It's... uhhh... Not shellcheck-clean. https://shellcheck.net/. - Source: Hacker News / about 3 years ago

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Tracking PhpMetrics since Mar 2021.