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Index
Introduction
What is shell propmt?
When does paralysis begin and end?
Commands
Simple commands
Complex commands
Compound commands
What is shell script?
The advantages are found only in bash
What is interactive chance?
Chapter One
Create and run the Bash program
Writing and naming
In which coincidence will the program work?
Add comments
Chapter II
Bash environment
Shell initialization files
Variables in Bash
Types of variables
Classify variables based on their content
Create variables
Export variables
The difference between * $ and @ $
Recycle shell programs using variables
Quote characters in Bash
Utility quote typefaces
Character escape
Single quotation marks
Double quotation marks
Locales
Expansions in Bash
Expanded swastika {}
Length Expansion (~)
Substitution of commands
Computational expansion
Process substitution
Expands file names
Alternative commands in Bash
Utility alternative commands
Create and delete alternate commands
Faster functions
Chapter III
Stereotypes in Bash
Regular Expressions
The difference between basic and extended stereotypes
Grep command
Grep command and typical expressions
Axes of lines and words
Character Types
Wildcards
Match patterns using Bash features
Character Ranges
Chapter IV
Conditional structures in Bash
Expressions used with if
The commands that follow are then
Scan files
Check the chance options
Simple applications on the if statement
Text comparisons
If / then / else is built
The difference between [] and [[]]
Examine the command line arguments
The names of files that contain spaces
Nested if statements
Logical operations
Use the exit statement with if
Chapter V
Repetitive tasks in Bash
Episode for in Bash
How to make a loop for iterative
Examples
Basename command
While loop in Bash
How to make a while loop
While nested loops
Calculate the average
Until loop in Bash
How to make a loop until
The Break and Continue commands
Break command
Continue command
Chapter VI
Functions in Bash
What are functions?
Functions Syntax
Position coefficients in functions
Displaying Functions
Recycling
Adjust the path
unset pathmunge
Chapter VII
Writing interactive Bash programs
View user messages in Bash
Interactive or non-interactive programs?
Use the echo command
Get user input in Bash
Use the read command
Request user input
Redirection and file descriptors
Redirect errors
Close the file descriptors
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