BASH Shell Scripting
Course Description:
Unlock the power of automation and system management with our Bash Shell Scripting Mastery course. In this hands-on journey, you'll learn to harness the capabilities of the Bash shell, a vital tool for every programmer and system administrator. From automating routine tasks to managing processes, this course will transform you into a proficient script writer. Through practical exercises and real-world examples, you'll discover how to create efficient, reliable, and versatile scripts that enhance your productivity.
What is shell scripting and its importance
Understanding the Bash shell
Running scripts: execution permissions and shebang
Writing and running your first Bash script
Using variables and basic variable manipulation
Command-line arguments and their usage
Input methods: read command and user prompts
Output methods: echo, printf, redirection
Introduction to command substitution
Conditional statements: if, else, elif
Comparison operators and numeric tests
String comparisons and pattern matching
Logical operators: AND, OR, NOT
Using exit codes for error handling
The for loop and iterating through lists
The while loop and iterative tasks
Breaking and continuing loops
Looping through files and directories
Defining and calling functions
Passing arguments to functions
Local and global variables
Script organization and modular design
File operations: creating, reading, writing, appending
Checking file properties: existence, permissions, type
Directory manipulation and traversal
Combining loops and file operations
Using awk for text manipulation
Basic sed commands for stream editing
Piping and combining commands for complex tasks
Practical examples of text processing
Debugging techniques and tools
Setting up trace and debug modes
Handling errors gracefully with traps
Logging and reporting errors
Managing processes with ps, top, and pgrep
Background and foreground processes
Job control: fg, bg, jobs, disown
Killing processes with kill and pkill
Collaborative final scripting project
Code optimization and readability
Final project presentations and peer code reviews
Recap of course highlights and key takeaways
Course Objectives:
By the end of this program, students should be able to:
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Master Basic Scripting: Attain a strong grasp of Bash syntax, commands, and script execution to create functional scripts.
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Automate Tasks: Learn to write scripts that automate repetitive tasks, saving time and reducing manual effort.
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Navigate Input and Output: Become skilled at managing user input, displaying output, and leveraging command substitution.
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Implement Control Structures:Gain proficiency in using conditional statements and loops to control program flow.
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Create Modular Scripts: Develop scripts using modular design principles, including functions and variable scoping.
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Manipulate Files and Text: Learn to manipulate files, directories, and perform advanced text processing tasks.
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Debug and Handle Errors: Acquire techniques for effective debugging and handling errors gracefully in scripts.
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Manage Processes: Understand process management, job control, and handling background and foreground tasks.
