Shell Scripting

SHELL SCRIPTING COURSE CONTENT

Duration : 20days 

CREATING A SIMPLE SHELL SCRIPT

• Introduction
• The Shell as a Programming Language
• Creating Shell Scripts
• Some Basics
• Input and Output Redirection
• Scripts vs Compiled Programs
• Shell Script Examples

FILENAME GENERATION & QUOTING

• Introduction
• Metacharacters
• Filename Generation Characters
• Filename Generation
• Quoting
• The Comment Character

USING SHELL VARIABLES IN SCRIPTS

• Introduction
• Creating and Referencing Variables
• Executing Files
• An Example Process Hierarchy
• visibility of Shell Variables
• The Environment of a Process

INPUT FOR SHELL SCRIPTS

• Introduction
• Command Substitution
• Interactive Input for Shell Scripts
• Command Line Input
• Catching Signals
• Partial Quoting
• Overview of Shell Interpretations

USING CONDITIONAL CONSTRUCTS

• Introduction
• Flow Control Constructs
• The case Construct
• Return Values
• The exit Command

• Using the if and test Commands
• Moving Command Arguments
• Conditional Operators

USING LOOPING CONSTRUCTS

• Introduction
• Overview of Looping Constructs
• Looping Over a List
• Skipping Items
• Generating Word Lists
• Waiting for Something to Happen
• Looping While a Condition Holds
• More about break and continue
• Redirection