This demonstrates iterating over an array in Bash using a for loop.

This demonstrates creating and populating an associative array in Bash.

This code reads user inputs for name and age, then checks if name is "Steve" and age is 15 using a compound if statement. It demonstrates handling multiple conditions in Bash.

This demonstrates an alternative way to declare and call functions in Bash.

This demonstrates iterating over an array in Bash using a for loop.

This demonstrates redirecting standard error output to a file.

This demonstrates setting an environment variable using the export command.

This configures Bash shell options for safer scripting by preventing file overwriting, exiting on errors, revealing pipeline failures, and exposing unset variables.

This demonstrates the use of !$ in Bash to refer to the last argument of the previous command.

This demonstrates the usage of a here-document (heredoc) in Bash, including basic usage, variable expansion, and suppressing variable expansion.

This demonstrates the usage of history expansion to refer to the nth previous command.

This code uses a regular expression to extract an email address from a string, demonstrating regex-based pattern matching and extraction in Bash.

This demonstrates the use of history expansion to reuse or modify previous commands.

This demonstrates extracting the filename from the last argument of the previous command using !$:t.

This demonstrates re-executing the last command from the history using !!.

This demonstrates redirecting both stdout and stderr to a file.

This demonstrates comparing the modification times of two files using the -ot test operator in Bash.

This demonstrates comparing file modification times using the -nt test operator in Bash.

This demonstrates checking if two files are hard links to the same file by comparing their inode numbers and device IDs.

This demonstrates checking the result of a command exit code and conditionally executing code based on its success.