shell script - bash string comparison failure, "command not found" - Unix & Linux Stack Exchange
Using variables in Bash | Opensource.com
How to Find Length of String in Bash Script? - GeeksforGeeks
Bash Variable in String | Learn the Example of Bash Variable in String
bash - Using "${a:-b}" for variable assignment in scripts - Unix & Linux Stack Exchange
Determining if a Bash String is Empty
how to compare string in bash - YouTube
Declaration of Variables and Constants with Bash Scripting
Convert String to Lowercase in Bash - Easier Than You Think
Bash Script - Define Bash Variables and its types - GeeksforGeeks
Bash Read User Input - Javatpoint
How to Concatenate Strings in Bash - ByteXD
How to use Variables in Bash Programming
Bash Function & How to Use It {Variables, Arguments, Return}
Bash: How to Check if String Not Empty in Linux | DiskInternals
How to Work with Variables in Bash
String Manipulation in Shell Scripting - GeeksforGeeks
Brace expansion with variables and arrays: eval to the rescue
Bash Define Multiline String Variable
Bash check if string starts with character such as # - nixCraft
How to Use Variables in Bash Shell Scripts
Here String - YouTube
How to use Variables in Bash Programming
Bash Variables - Javatpoint
