Basic Shell Scripting: Chapter-VII

Functions in Shell Script: Function is a subscript inside a shell script. We can separate a complex script to multiple task by adding function to it. Just we need to call them where it required. In this article I will show you how to use functions in a shell script. Syntax for Shell function:

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Basic Shell Scripting: Chapter-VI

Case Statement in Shell Script: In shell script case statement is similar to switch statement in C. The case statement allows you to easily check pattern (conditions) and then process a command-line if that condition evaluates to true. Syntax of bash case statement:

Example:

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Basic Shell Scripting: Chapter-V

Loop in Shell Script: (while, until, for) The while executes a piece of code if the control expression is true, and only stops when it is false. While Statement Example:

The until loop is almost equal to the while loop, except that the code is executed while the control expression evaluates to false. Until […]
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Basic Shell Scripting: Chapter-IV

Shell Conditional Statements: (if, elif, else) Usage:

Example 1:

Example 2:

Example 3:

nested if else in bash:

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