Bash Shell Scripting- awk command or awk script: Reading variable values from the command line

This video tutorial explains how to read variable values from the command line in AWK. It covers the syntax of AWK commands, how to provide input through files or command outputs, and demonstrates reading and printing variables using AWK. The tutorial also guides on writing AWK scripts with and without a shebang line and discusses integrating AWK scripts within shell scripts.

What is the purpose of reading variable values from the command line in an AWK script?

Explain how to define a variable in an AWK command or script.

How can you provide input for your AWK command?

What is the significance of the 'BEGIN' block in an AWK script?

What happens if you do not include the 'BEGIN' block when reading variables from the command line?

What is the difference between using a command line and a file to provide input for an AWK script?

Describe the process of reading multiple variable values from a file in an AWK script.

Explain how to display variable values in an AWK script.

How do you execute an AWK script without a shebang line?

What is the role of the 'END' block in an AWK script?