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Course Content
Bash Shell Scripting
- Shell Scripting Course is specifically designed to develop skills required for automation on Unix / Linux Environment. This course focuses on the basic and intermediate level of Scripting. It provides training with hands on session to administer the UNIX shell.
Suitable for:
- Linux Administrators
- UNIX programmers
- Database (Oracle/Sybase) developers working on UNIXplatforms
- Database (Oracle/Sybase) Administrators
Prerequisites :
- Knowledge in Unix / Linux Platform
- Basic Knowledge in Shell Commands
- Any Programming language
Course Contents:
Bash and Bash scripts
- Common shell programs
- Advantages of the Shell
- Executing commands
- Building blocks
- Developing good scripts
Writing and debugging scripts
- Creating and running a script
- Script basics
- Debugging Bash scripts
The Bash environment
- Shell initialization files
- Variables
- Quoting characters
- Shell expansion
- Aliases
- More Bash options
Regular expression
- Regular expression
- Examples using grep
- Pattern matching using Bash features
Important Shell Utilities
- cut
- sed, tr
- find
- sort
- grep, egrep, fgrep
- awk
Conditional statements
- Introduction to “if”
- More advanced “if” usage
- Using case statements
Writing interactive scripts
- Displaying user messages
- Catching user input
Repetitive tasks
- The for loop
- The while loop
- The until loop
- I/O redirection and loops
- Break and continue
- Making menus with the select built –in
- The shift built in
More on variables
- Types of variables
- Array variables
- Operation on variables
Function
- Introduction
- Examples of function in scripts
- Passing arguments to functions
- Scope of variable in functions – local & global
Catching signals
- Signals
- Traps
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