This demonstrates how to retrieve the length of a string stored in a variable in Bash.

This demonstrates creating multiple files using touch and brace expansion.

This comprehensive snippet demonstrates various parameter expansion techniques in Bash, including default value substitution, conditional assignment, error handling, and advanced string manipulation.

This demonstrates using !* to refer to all arguments from the previous command in Bash.

This demonstrates the use of brace expansion in Bash to generate sequences of numbers and letters, while noting the limitation of not being able to use variables within brace expansions.

This demonstrates accessing the count of arguments passed to a script or function using $#.

This snippet demonstrates file path manipulation using parameter expansion in Bash, including removing file extensions, extracting directory paths, getting file extensions, and replacing substrings.

This demonstrates string substitution using parameter expansion to replace the first occurrence of a substring.

This demonstrates how to get the length of a string stored in a variable using ${#variable}.

This demonstrates providing a default value for a variable if it is unset or empty using parameter expansion in Bash.

This demonstrates two ways to print the current directory in Bash: using command substitution and a built-in variable.

This demonstrates capturing a single keystroke from the user without requiring them to press Enter.

This demonstrates extracting the directory path of the current script by removing the filename from the script's path.

This demonstrates the use of brace expansion in Bash to generate multiple strings from a single pattern.

This demonstrates the usage of the $! special variable to store the process ID (PID) of the last background command.

This demonstrates printing the current working directory using the $PWD built-in variable.

This demonstrates basic brace expansion to generate multiple strings or arguments.

This demonstrates the use of brace expansion to generate multiple filenames.

This demonstrates combining multiple ranges using brace expansion in Bash.

This demonstrates generating a sequence of numbers using brace expansion.