asadsid95 / port-folio

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Shell scripting #18

Open asadsid95 opened 7 months ago

asadsid95 commented 7 months ago

Becoming proficient in shell scripting involves mastering a combination of fundamental concepts, tools, and best practices. Here's a comprehensive list of concepts you should consider learning:

  1. Basic Shell Commands:

    • Understand essential shell commands (e.g., cd, ls, cp, mv, rm, echo, cat, chmod, chown).
  2. File Manipulation:

    • Learn how to work with files and directories: create, modify, delete, and navigate.
  3. Variables and Data Types:

    • Understand variables and their types.
    • Learn about numeric, string, and array variables.
  4. Control Structures:

    • Master conditional statements (e.g., if, else, elif).
    • Learn about loops (for, while) for iterating over data.
  5. Functions:

    • Create and use functions to modularize your scripts.
  6. Input and Output:

    • Understand how to handle input from users (read).
    • Learn about redirecting input and output (>, >>, <).
  7. Pattern Matching (Globbing):

    • Learn about pattern matching using wildcards (*, ?, [ ]).
  8. Regular Expressions:

    • Master basic regular expressions for pattern matching and manipulation.
  9. Command Substitution:

    • Understand how to use $(command) and `command` for command substitution.
  10. Exit Codes:

    • Learn about exit codes and error handling.
  11. Script Execution:

    • Understand script execution permissions (chmod +x).
    • Learn about shebang (#!/bin/bash) and how to make scripts executable.
  12. Environment Variables:

    • Understand common environment variables (e.g., PATH, HOME).
  13. Arrays:

    • Learn about arrays and how to work with them.
  14. Debugging Techniques:

    • Familiarize yourself with debugging tools (set -x, echo, trap).
    • Learn to troubleshoot and debug your scripts effectively.
  15. Text Processing Tools:

    • Master tools like grep, awk, and sed for text manipulation.
  16. Shell Scripting Best Practices:

    • Follow best practices for writing clean, maintainable scripts.
    • Use meaningful variable and function names.
    • Comment your code to explain its purpose and logic.
    • Use proper indentation for readability.
  17. Version Control:

    • Learn version control systems like Git to track changes in your scripts.
  18. Advanced Scripting Techniques:

    • Explore more advanced topics like signal handling, process control, and job scheduling.
  19. Automation and Scripting for System Administration:

    • Learn how to automate common system administration tasks.
  20. Security Best Practices:

    • Understand security implications and follow best practices when writing scripts.

Remember that continuous practice, real-world application, and exposure to various scripting scenarios will contribute significantly to your skill development. As you gain experience, you can tackle more complex tasks and challenges, becoming a proficient shell scripter.