Chapter 1 Shell Something Out
First Chapter in bash scripting for Linux
Chapter 1 Shell Something Out
Chapter Overview
In this chapter, I will cover
Printing in the terminal
Playing with variables and environment variables
Function to prepend to environment variables
Math with the shell
Playing with file descriptors and redirection
Arrays and associative array
Visiting aliases
Grabbing information about the terminal
Getting and setting dates and delays
Debugging the script
Functions and arguments
Reading output of a sequence of commands in a variable
Reading n characters without pressing the return key
Running a command until it succeeds
Field separators and iterators
Comparisons and tests
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